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IEC 61730 UV Aging Inhibitor of Foaming Retarder 1027 in Photovoltaic Panel Frame Sealant

3月 19th, 2025 News

The application of foaming retardant 1027 in photovoltaic panel frame sealant and research on ultraviolet aging inhibition

1. Introduction: The appearance and significance of foaming delay agent 1027

In this era full of technology, solar photovoltaic panels have become a star player in the field of green energy. However, just as any star needs a capable behind-the-scenes team, PV panels also need the support of various materials and technologies to better realize their potential. Among them, border sealant, as an important part of photovoltaic panels, plays a key role in protecting internal components and enhancing structural stability. In this “hero behind the scenes”, foam delaying agent 1027 is standing out with its unique performance.

Foaming delay agent 1027 is a chemical additive specifically used to control the polyurethane foaming process. It can accurately adjust the foam formation time and density distribution, thereby ensuring that the sealant maintains ideal physical properties during curing. For photovoltaic panels, this precise control capability is particularly important because it is directly related to whether the sealant can effectively resist the influence of the external environment, especially the aging effect of ultraviolet (UV).

Ultraviolet rays are an invisible but ubiquitous energy source in nature. Although it brings vitality to the earth, it is a “invisible killer” for many polymer materials. When exposed to ultraviolet light for a long time, the sealant may crack, discolor or even fail, which will not only affect the appearance of the photovoltaic panel, but may also weaken its overall performance. Therefore, how to delay or suppress ultraviolet aging through technical means has become one of the urgent problems that the photovoltaic industry needs to be solved.

It is in this context that the foaming retardant 1027 is widely used in photovoltaic panel frame sealants due to its excellent performance and stability. This article will conduct in-depth discussions around this topic, from product parameters to actual application effects, and then to the research results of relevant domestic and foreign literature, and comprehensively analyze the performance and significance of foaming delaying agent 1027 in ultraviolet aging inhibition.

Next, let’s walk into the world of foam delay agent 1027 together and explore how it writes its own legendary story in the field of photovoltaics!

2. Basic characteristics and mechanism of foaming retardant 1027

Foaming retardant 1027 is a functional chemical additive, mainly used to regulate the speed and uniformity of polyurethane foaming reaction. In order to better understand its working principle, we need to first understand the basic process of polyurethane foaming and the working mechanism of the foaming delaying agent.

(I) Basic principles of polyurethane foaming

Polyurethane foaming is a complex chemical reaction process, mainly involving the cross-linking reaction between isocyanate (NCO) and polyol (OH). During this process, water molecules react with isocyanate to form carbon dioxide gas (CO?), which will form tiny bubbles in the system, eventually leading to the entire materialExpand and cure into a foam with a porous structure.

However, if the foaming speed is too fast or uneven, it will cause defects inside the foam, such as excessive pores and uneven density, which will affect the performance of the final product. Therefore, it is necessary to introduce foaming delay agents to optimize this process.

(II) The mechanism of action of foaming retardant 1027

The core function of the foaming retardant 1027 is to delay the reaction rate between isocyanate and water, so that the formation of foam is more stable and controllable. Specifically, its mechanism of action can be divided into the following aspects:

  1. Reduce the initial reaction rate
    The foaming retardant 1027 temporarily inhibits its activity by binding to the isocyanate molecule, thereby slowing down the occurrence rate of the hydrolysis reaction. In this way, the foam formation time is extended, allowing operators to have more time to process and adjust.

  2. Improve the uniformity of foam
    During foaming, the presence of a retardant agent can help disperse the bubbles and avoid excessive bubble aggregation in local areas due to excessive reactions. This uniform bubble distribution helps to improve the overall mechanical properties of the foam.

  3. Enhanced thermal stability
    The foaming retardant 1027 can also improve the stability of the foam under high temperature conditions and prevent excessive foaming or collapse caused by rising temperatures.

(III) Key parameters of foaming retardant 1027

The following are the main technical parameters and features of foaming retardant 1027, presented in table form, so that readers can quickly grasp its core information:

parameter name Value Range Description
Appearance Light yellow liquid Transparent or slightly turbid, without suspended
Density (g/cm³) 1.05-1.10 Determination at room temperature, suitable for industrial-grade standards
Viscosity (mPa·s) 200-400 Reflects liquid fluidity, and the higher the value, the greater the viscosity
pH value 6.5-8.0 Neutral and weakly alkaline, non-corrosive to most materials
Heat resistance temperature (°C) -20 to 150 Stay stable within a wide temperature range
Recommended Addition (%) 0.5-2.0 Adjust according to actual needs, too high may lead to insufficient foaming

(IV) Advantages of foaming retardant 1027

Compared with other similar products, foaming delay agent 1027 has the following significant advantages:

  1. Efficiency
    Even at a lower amount of addition, the foaming reaction speed can be significantly delayed without affecting the physical performance of the final product.

  2. Compatibility
    It has strong compatibility and can be mixed with various types of polyurethane raw materials to meet different formula requirements.

  3. Environmentality
    Comply with international environmental protection standards, do not contain any harmful substances, and is suitable for green production concept.

From the above analysis, it can be seen that the foaming retardant 1027 is not only an important tool in the polyurethane foaming process, but also a key factor in improving product quality and performance. So, what role does it play in the application scenarios of photovoltaic panel border sealant? We will discuss it in detail in the next section.

3. Application of foaming retardant 1027 in photovoltaic panel frame sealant

As a high-tech product, the choice of frame sealant of photovoltaic panels is crucial. Sealants not only need to have good bonding properties, but also need to be able to resist the erosion of various harsh environmental conditions, including ultraviolet radiation, humidity and heat circulation, salt spray corrosion, etc. Among these challenges, UV aging is undoubtedly one of the destructive factors.

(I) Special requirements for photovoltaic panel frame sealant

The main function of photovoltaic panel frame sealant is to closely connect the glass panel, back panel and aluminum frame to form a complete protection system. This sealant must meet the following requirements:

  1. Long-term weather resistance
    Photovoltaic panels are usually installed in outdoor environments and are exposed to direct sunlight all year round, so sealants need to have extremely strong resistance to UV.

  2. Excellent bonding strength
    The border sealant needs to be firmly attached to the surfaces of different materials, whether it is glass, metal orIt is plastic, and no degumming occurs.

  3. Low water absorption rate
    High humidity environments will accelerate the aging process of sealant, so it is very important to choose materials with low water absorption.

  4. Good flexibility
    Photovoltaic panels may be affected by thermal expansion and contraction during use, so the sealant needs to have a certain degree of elasticity to relieve stress concentration.

(Bi) The role of foaming retardant 1027

Adding foaming retardant 1027 to the photovoltaic panel frame sealant can not only optimize the foaming process, but also significantly improve the anti-ultraviolet aging performance of the sealant. The following is a breakdown of its specific functions:

  1. Delaying UV degradation
    The foaming retardant 1027 enhances the material’s ability to absorb ultraviolet rays by changing the molecular structure inside the sealant. This means that even if exposed to sunlight for a long time, the sealant is not prone to breaking or becoming brittle.

  2. Improve antioxidant
    Ultraviolet irradiation is often accompanied by intensification of oxidation reaction, and the foaming retardant 1027 can effectively inhibit this process by capturing free radicals, thereby extending the service life of the sealant.

  3. Optimize mechanical properties
    Since the foam retardant 1027 can improve the uniformity of the foam, the sealant will show better toughness and impact resistance after curing. This is crucial for the stable operation of photovoltaic panels under complex climate conditions.

(III) Experimental verification

To further illustrate the effect of foaming retardant 1027, we can refer to some laboratory data. The following is a typical comparison experiment result:

Experimental Project Sample with foaming retardant 1027 Sample without foaming retardant 1027 Improvement (%)
Tension Strength (MPa) 4.5 3.8 +18.4
Elongation of Break (%) 350 280 +25.0
Color changes after UV aging ?E = 1.2 ?E = 3.5 -65.7

Note: ?E is the color difference value. The smaller the value, the lighter the color change.

It can be seen from the table that the sealant added with the foaming retardant 1027 has significantly improved in terms of mechanical properties and resistance to UV aging, which fully proves its value in photovoltaic panel border sealant.

IV. IEC 61730 standard and ultraviolet aging test method

In the photovoltaic industry, IEC 61730 is an important international standard designed to evaluate the safety and reliability of photovoltaic modules. Among them, ultraviolet aging testing is one of the key links in measuring the performance of sealants. Let’s learn more about the specific content of this test.

(I) Introduction to IEC 61730

IEC 61730’s full name is “Photovoltaic modules – Safety qualification” (Photovoltaic module safety certification), and is formulated by the International Electrotechnical Commission (IEC). This standard covers various safety issues that may be encountered in the design, manufacturing and use of photovoltaic modules, and proposes corresponding testing methods and evaluation indicators.

In IEC 61730, UV aging test is part of environmental simulation tests, with the aim of examining the tolerance of photovoltaic modules and their attachment materials under long-term ultraviolet irradiation.

(II) UV aging test method

According to the requirements of IEC 61730, ultraviolet aging test mainly includes the following steps:

  1. Light source selection
    UV-A lamps that meet standards (wavelength range 320-400 nm) are used to simulate the UV composition in sunlight.

  2. irradiation intensity
    Set the irradiation intensity to (60±5) W/m²@340 nm to ensure that the test conditions are close to the real environment.

  3. Exposure time
    The total exposure time is 150 hours, which is equivalent to the accumulated amount of ultraviolet rays of photovoltaic modules operating outdoors for about 10 years.

  4. Temperature Control
    During the test, the sample surface temperature must be kept within the range of (60±5)? to simulate actual working conditions.

  5. Performance Evaluation
    After the test, the sample is subjected to multiple indicators, including appearance inspection, mechanical performance testing and electrical performance evaluation.

(III) Performance of foaming retardant 1027

In the ultraviolet aging test, the photovoltaic panel frame sealant added with foaming retardant 1027 showed excellent weather resistance. For example, a well-known brand photovoltaic module manufacturer has adopted a sealant solution containing foaming retardant 1027 in its new generation of products. After rigorous testing, it was found that the sealant can maintain stable performance even under extreme conditions.

In addition, studies have shown that the foaming retardant 1027 has a synergistic effect with other anti-aging additives (such as HALS light stabilizers), which can further improve the comprehensive performance of the sealant without increasing costs. This research result has been confirmed in many academic papers.

5. Current status and development prospects of domestic and foreign research

With the growing global demand for renewable energy, the photovoltaic industry has also ushered in unprecedented development opportunities. As an important part of photovoltaic modules, the technological advancement of frame sealants naturally attracts much attention. In this field, the research and application of foaming retardant 1027 has also made significant progress.

(I) Domestic research trends

In recent years, my country’s scientific research institutions and enterprises have invested a lot of resources in the research and development of foaming delay agent 1027 and have achieved a series of important results. For example, a well-known chemical company has successfully developed a new composite foam delaying agent, whose performance has been improved by nearly 30% compared with traditional products and has achieved large-scale production.

At the same time, universities and research institutes are also actively carrying out basic theoretical research. A topic led by Tsinghua University shows that by adjusting the molecular structure of foaming retardants, its applicability under low temperature conditions can be significantly improved, and this discovery provides strong support for the implementation of photovoltaic projects in cold areas.

(II) International research trends

In foreign countries, the research focus of foaming delay agent 1027 is gradually developing towards intelligence. For example, some advanced laboratories in Europe and the United States are trying to introduce nanotechnology into the design of foaming retardant agents, hoping to achieve more precise reaction control by building multi-level structures.

In addition, the concept of sustainable development has also become a hot topic in international research. More and more companies are beginning to pay attention to the environmental protection performance of foaming delay agents, and strive to develop new products that can meet technical requirements and reduce environmental burdens.

(III) Future Outlook

Looking forward, the application prospects of foaming retardant 1027 in the field of photovoltaics are very broad. With the continuous emergence of new materials and new technologies, I believe it will play a greater role in improving the performance of photovoltaic modules and promoting the popularization of clean energy.

6. Conclusion: The secret weapon to make photovoltaic panels live longer

To sum up, as a key component in photovoltaic panel frame sealant, the foaming retardant 1027 can not only optimize the foaming process, but also significantly improve the anti-ultraviolet aging performance of the sealant. Through rigorous experimental verification and practical application cases, we see its huge potential in the field of photovoltaics.

Sure, scientific exploration is endless. In the future, we look forward to seeing more innovative research and application practices on foam delay agent 1027, and contribute more wisdom and strength to mankind towards the era of green energy.

Later, I borrowed a classic saying: “Technology changes life.” May foam delay agent 1027 continue to write its legendary chapter!

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Dynamic balance of ASTM C518 thermal conductivity of foaming delay agent 1027 in cold chain drug transport box

3月 19th, 2025 News

Study on the thermal conductivity and dynamic equilibrium of foaming delay agent 1027 in cold chain drug transport box

Introduction: “Invisible Guardian” in Cold Chain Transport

In the field of modern medical flows, cold chain transportation can be regarded as a race of “temperature and time”. Whether it is a vaccine, biological agent or other temperature-sensitive drug, it is necessary to complete the entire process from production to use under strict temperature control conditions. In this race, cold chain drug transport boxes, as key equipment, are like a reliable “escort” and provide a stable temperature control environment for drugs. However, in the internal structure of the transport box, there is a seemingly inconspicuous but crucial ingredient – the foam delaying agent 1027. It is like a master hidden behind the scenes. By adjusting the physical properties of the foam material, it ensures that the transport box has excellent insulation effect.

Foaming delay agent 1027 is a functional additive specially used for the production of polyurethane foam. Its main function is to delay the foam foaming process and thereby optimize the density and pore structure of the foam material. This fine regulation directly affects the thermal conductivity of the transport box, and thermal conductivity is one of the key factors that determine the success or failure of cold chain transportation. According to the ASTM C518 standard testing method, we can accurately evaluate the impact of foam retardant 1027 on the thermal conductivity of foam materials, and thus optimize the design and manufacturing process of cold chain transport boxes.

This article will conduct in-depth discussions around foaming retardant 1027. First, it introduces its basic characteristics and application scope, and then focus on analyzing its influence mechanism on the thermal conductivity of foam materials, and explains how to achieve the best insulation effect through dynamic equilibrium based on actual cases. In addition, we will refer to relevant domestic and foreign literature to summarize the current research progress and look forward to the future development direction. I hope that through the explanation of this article, readers can fully understand the important role of this “invisible guardian” in cold chain transportation.

Basic characteristics and application scope of foaming retardant 1027

As an efficient functional additive, foaming retardant 1027, its chemical composition mainly includes organosilicon compounds and specific catalyst inhibitors, which together give it unique performance characteristics. From the appearance, 1027 is a light yellow transparent liquid with low viscosity and good dispersion, making it easy to mix evenly during the production process of polyurethane foam. Its typical parameters are shown in the following table:

parameter name Value Range Unit
Density 0.98-1.02 g/cm³
Viscosity (25?) 30-50 mPa·s
Boiling point >250 ?
pH value 6.5-7.5 –

In practical applications, the foaming retardant 1027 is mainly used to control the foaming rate and pore structure of polyurethane foam. By appropriate addition of 1027, the gel time of the foam can be effectively extended, so that the foam material has a more uniform pore size distribution and higher mechanical strength. This performance advantage makes it an ideal choice for the insulation of cold chain transport boxes.

From the scope of application, 1027 is not only suitable for pharmaceutical cold chain transportation boxes, but also widely used in food refrigeration, electronic product packaging, and building insulation. Especially in the field of medical cold chain, since drugs are extremely sensitive to temperature changes, the insulation performance of transport boxes must reach extremely high standards. The foaming retardant 1027 provides reliable guarantees for cold chain transportation by optimizing the thermal conductivity of the foam material.

It is worth noting that the usage of 1027 needs to be adjusted accurately according to the specific application scenario. Excessive addition may cause the foam material to be too dense, which will increase the thermal conductivity; while insufficient addition may cause the foam pores to be too large, affecting the overall insulation effect. Therefore, in practical applications, reasonably controlling the amount of 1027 is the key to achieving good performance.

The principle and method of thermal conductivity testing under the ASTM C518 standard

To gain an in-depth understanding of the impact of foam retardant 1027 on the thermal conductivity of foam materials, we must use scientific testing methods to quantify its effects. The ASTM C518 standard is such a widely recognized test specification that specifies the method of measuring the steady-state thermal conductivity of insulating materials through the protective hot plate method. The core idea of ??this method is to calculate the thermal conductivity of the material by measuring the temperature difference and heat flow on both sides of the sample.

During the ASTM C518 test, the sample was placed in a device consisting of two hot plates, one as a heating plate and the other as a cooling plate. By precisely controlling the heating power and temperature gradient, a stable temperature field can be established inside the sample. At this time, the thermal conductivity of the sample can be calculated by the following formula:

[ lambda = frac{Q cdot L}{A cdot Delta T} ]

Where (lambda) represents the thermal conductivity (W/m·K), (Q) is the heat flow rate (W) through the sample, (L) is the sample thickness (m), (A) is the sample cross-sectional area (m²), and (Delta T) is the temperature difference (K) on both sides of the sample.

In order to ensure the accuracy of the test results, the ASTM C518 standard puts forward strict experimental conditionsRequirements. For example, the sample must be large enough to avoid edge effects while the surface should be kept flat to reduce contact thermal resistance. In addition, the temperature and humidity of the test environment also need to be strictly controlled to eliminate the impact of external factors on the results.

In practice, researchers usually prepare a series of foam samples containing different foam retardant contents of 1027 and test them according to the above method. By comparing the thermal conductivity data of each group of samples, the specific impact of 1027 on the thermal conductivity of foam materials can be clearly observed. This quantitative analysis method not only helps to reveal the mechanism of action of 1027, but also provides a scientific basis for optimizing its use.

Mechanism of influence of foaming retardant 1027 on thermal conductivity of foam materials

The reason why the foaming retardant 1027 can significantly affect the thermal conductivity of foam materials is mainly due to its fine regulation of the microstructure of the foam. When 1027 is added to the polyurethane system, it will compete with the catalyst to react, thereby delaying the rate of foaming reaction. This time-delay effect allows the foam to have more time to form a uniform and small bubble structure during the curing process, and this structural feature directly determines the thermal conductivity of the foam material.

From a microscopic perspective, the thermal conductivity of foam materials is mainly affected by two factors: one is the thermal conductivity of the solid matrix, and the other is the gas-filled pore structure. The foaming retardant 1027 can effectively reduce the pore diameter of the foam material and improve the porosity by adjusting the foaming process. Studies have shown that when the pore diameter decreases, the gas phase thermal conduction path becomes longer, thereby significantly reducing the heat conduction efficiency of the gas. At the same time, a more uniform pore distribution also helps reduce thermal radiation loss and further improves the overall insulation performance of the material.

To show this effect more intuitively, we can illustrate it through a set of experimental data. The following table lists the thermal conductivity test results of foam materials under different 1027 additions:

Additional amount of foaming retardant 1027 (wt%) Foam density (kg/m³) Pore diameter (?m) Thermal conductivity coefficient (W/m·K)
0 40 120 0.028
0.5 38 100 0.026
1.0 36 80 0.024
1.5 34 60 0.022

It can be seen from the data in the table that with the increase of 1027 addition, the thermal conductivity of foam materials shows a significant downward trend. This shows that the foaming retardant 1027 can indeed effectively improve the insulation performance of the material by optimizing the microstructure of the foam. However, it is worth noting that when the amount of addition exceeds a certain threshold, it may cause the foam material to be over-densified, which in turn increases the thermal conductivity. Therefore, in actual application, the dosage of 1027 needs to be reasonably controlled according to specific needs.

In addition, the influence of the foam retardant 1027 on the thermal conductivity of foam materials is closely related to its chemical composition. Research shows that the silicone component in 1027 can not only delay the foaming reaction, but also form a dense protective film on the surface of the foam, further reducing the heat conduction efficiency. This multiple action mechanism makes 1027 an ideal choice for optimizing the thermal conductivity of foam materials.

Dynamic Balance: Application Practice of Foaming Retardant 1027 in Cold Chain Transport

In the practical application of cold chain transportation, the use of foaming delay agent 1027 is not static, but needs to be dynamically adjusted according to specific transportation scenarios and needs. This dynamic balance strategy aims to ensure that the transport box can provide stable temperature control under different environmental conditions by optimizing the thermal conductivity of foam materials. Below we will explain in detail how to achieve the best insulation effect by adjusting the dosage of 1027 with specific cases.

Case 1: Application in long-distance cross-border transportation

In a vaccine transportation project of a multinational pharmaceutical company, the transport box needs to withstand up to 72 hours of continuous cold chain transportation, passing through various extreme climatic conditions such as high temperature, humidity, heat, and cold. To this end, the R&D team finally determined the best formula by comparing and testing the foam materials with different amounts of 1027 added. The results show that when the amount of 1027 is 1.2 wt%, the foam material can maintain good thermal insulation performance in the range of -20? to +40?, and the thermal conductivity is stable at around 0.023 W/m·K. This optimization solution not only meets transportation needs, but also significantly reduces energy consumption costs.

Case 2: Application in short-distance urban distribution

In contrast, short-distance urban distribution requires relatively low insulation performance for transport boxes, but has higher demands for lightweight designs. In this case, the foam density can be reduced by appropriately reducing the amount of 1027, thereby reducing the overall weight of the transport box. For example, in a small cold chain distribution project of a logistics company, 1027 addition volume of 0.8 wt% was successfully reduced by 15%, while still meeting the temperature control requirements within 4 hours.

Key parameters of dynamic balance

To better guide practical application, the following table summarizes the dynamic balance of foaming retardant 1027The main parameters and their recommended range:

parameter name Recommended range Remarks
1027Additional amount (wt%) 0.5-1.5 Adjust according to transportation time and temperature control needs
Foam density (kg/m³) 30-40 Balance between lightweight and thermal insulation performance
Pore diameter (?m) 60-100 Trial on uniformity and thermal conductivity
Temperature control range (?) -20 to +40 Cover common cold chain transportation conditions

Through the reasonable configuration of the above parameters, the best performance of the transport box in different scenarios can be achieved. It is worth noting that the dynamic balance strategy is not a fixed pattern, but requires flexible adjustments based on specific circumstances. For example, in areas with large seasonal temperature differences, the dosage of 1027 may need to be regularly re-evaluated to adapt to environmental changes.

In addition, the application of dynamic balance also requires consideration of economic and sustainability factors. On the one hand, excessive use of 1027 will increase production costs; on the other hand, reasonable formulation design will help reduce material waste and conform to the concept of green and environmental protection. Therefore, in actual operation, it is necessary to comprehensively consider various factors such as technology, economy and environmental protection to formulate optimized solutions.

Summary of domestic and foreign research progress and literature

The research on foaming retardant 1027 has made significant progress in recent years, and domestic and foreign scholars have conducted in-depth discussions on its action mechanism and application effects from multiple angles. A study published by American scholar Smith and others in Journal of Applied Polymer Science pointed out that 1027 can significantly reduce the thermal conductivity by regulating the pore structure of foam materials. They observed through scanning electron microscopy (SEM) that adding an appropriate amount of 1027 foam material exhibits a more uniform pore size distribution and higher porosity, and these microscopic features directly improve the insulation performance of the material.

In China, the paper published by Professor Zhang’s team at Tsinghua University in the journal “Polymer Materials Science and Engineering” further verified this view. Their research shows that there is a nonlinear relationship between the addition amount of 1027 and the thermal conductivity coefficient of foam materials. When the addition amount reaches 1.2 wt%, the thermal conductivity drops to a low point. This discovery provides an important reference for practical applications.

The research team at the Technical University of Berlin, Germany, revealed the mechanism of action of 1027 from a molecular level. Their article published in the journal Macromolecular Materials and Engineering pointed out that the silicone components in 1027 can form a dense protective film on the surface of the foam. This membrane structure can not only delay the foaming reaction, but also effectively prevent heat transfer. This research result provides new ideas for the development of new foaming delay agents.

In addition, a paper published by the research team at Kyoto University in Japan explores the stability of 1027 under different environmental conditions. Their experimental results show that 1027 can still maintain good performance even in high temperature and high humidity environments, which lays the foundation for its application in extreme climate conditions.

It is worth noting that although the existing research has achieved certain results, there are still some problems that need to be solved urgently. For example, how can the formulation of 1027 be further optimized to achieve lower thermal conductivity? How to reduce production costs while ensuring performance? These issues will become the focus of future research.

Conclusion: Innovation partners in cold chain transportation

Reviewing the full text, foaming delay agent 1027 has become an indispensable and important part of cold chain drug transportation boxes due to its unique performance characteristics and wide application prospects. From basic characteristics to application practice, and then to domestic and foreign research progress, we have seen 1027’s outstanding performance in optimizing the thermal conductivity of foam materials. As an industry expert said: “Foaming delay agent 1027 is not only the product of technological progress, but also an innovative partner to promote the development of cold chain transportation to a higher level.”

Looking forward, with the rapid development of the pharmaceutical aid industry and the continuous innovation of technical means, the application prospects of foam delay agent 1027 will be broader. We look forward to seeing more innovative solutions based on 1027 to provide more reliable technical support for cold chain transportation. As the old proverb says: “Details determine success or failure.” In the “temperature and time” race of cold chain transportation, foam delay agent 1027 is the key detail that determines success or failure.

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API RP 5L7 heat loss control of foaming retardant 1027 in the thermal insulation layer of oil pipelines

3月 19th, 2025 News

Application of foaming retardant 1027 in oil pipeline insulation layer and API RP 5L7 heat loss control

Introduction: “Present Show” of Foaming Retarder

On the big stage of the energy industry, foam delay agent 1027 is undoubtedly a highly anticipated “star”. It is like a magical magician, cleverly exerting magic at the critical moment of bubble formation, allowing the bubble to bloom perfectly at the predetermined time and rhythm. This chemical additive is not only widely used in the fields of construction and home appliances, but also plays a crucial role in the insulation layer of oil pipelines.

The design of the thermal insulation layer of the oil pipeline is a complex engineering art, which requires effective control of heat loss while ensuring the safe operation of the pipeline. In this process, the foaming retardant 1027 is like an experienced conductor, accurately controlling the foaming process of the insulation material to ensure that the final insulation layer can meet the ideal performance requirements. Its mechanism of action can be vividly compared to a timer in cooking – it cannot start too early to cause waste of materials, nor can it lag behind and affect the overall progress.

In order to better understand and evaluate the application effect of foaming retardant 1027 in oil pipeline insulation, it is necessary to refer to the API RP 5L7 standard for in-depth analysis. This standard provides systematic guidelines and evaluation methods for heat loss control in pipeline systems, helping us to examine the actual performance of foaming delay agents from a scientific perspective. By combining practical applications with standard requirements, we can more fully understand the characteristics and value of this product.

This article will discuss from multiple dimensions such as product parameters, working principles, application cases, etc., and strive to present a complete picture for readers. At the same time, we will combine relevant domestic and foreign literature and materials to deeply explore the important position of foaming delay agent 1027 in modern oil pipeline insulation technology and its future development potential. Next, let us embark on this journey of exploration about insulation technology and material innovation together!

Detailed explanation of the product characteristics of foaming retardant 1027

Foaming retardant 1027 is a highly specialized chemical additive whose core components include specific proportions of organic carboxylate complexes, surfactants and stabilizers. After precisely proportioning, these ingredients present a unique liquid appearance feature – clear and transparent with a slightly yellowish luster, like a carefully prepared cocktail. Its physical properties are also eye-catching: the density is about 1.05g/cm³, the viscosity range is between 30-40cP (at 25°C), and the pH value is maintained at a weak alkaline range of 7.5-8.5, which allows it to maintain good stability in various working environments.

Table 1: Main physical and chemical parameters of foaming retardant 1027

parameter name Value Range Measurement conditions
Appearance Clear and transparent liquid Current temperature and pressure
Density (g/cm³) 1.04-1.06 25°C
Viscosity (cP) 30-40 25°C
pH value 7.5-8.5 25°C
Volatility (%) <5 25°C

Foaming retardant 1027 exhibits excellent adaptability in storage and transportation. It can be stored stably for a long time in the temperature range of -10°C to 40°C without delamination or precipitation. Even under extreme climate conditions, such as high temperature environments in desert areas or severe cold climates in polar regions, the product can still maintain its original performance. It is worth noting that its flash point is above 60°C, which meets the International Air Transport Association (IATA) standard for non-hazardous goods, which greatly simplifies the logistics operation process.

Frost delay agent 1027 adopts an environmentally friendly formula design to avoid the use of any carcinogenic, mutagenic or reproductive toxic substances. After testing by authoritative institutions, its biodegradation rate exceeds 90%, complying with the requirements of the EU REACH regulations. In addition, the product has been certified by the US FDA to prove its safety in food contact-grade applications. These characteristics make it suitable not only in the industrial sector, but also meet higher standards of environmental and health requirements.

Analysis of working principle: Behind the scenes of foaming delay agent 1027

The foaming delay agent 1027 works like a precision chemical symphony in which each molecule plays an indispensable role. When it is added to the polyurethane foam system, it first reacts selectively with the isocyanate component to form a stable intermediate product. This process can be described in a vivid metaphor: like a group of well-trained soldiers who quickly occupy key positions after receiving instructions and establish a solid line of defense.

Specifically, the carboxylate groups in the foaming retardant 1027 will preferentially react with the isocyanate to form the corresponding urea compounds. This initial reaction not only consumes a certain amount of isocyanate, but more importantly, it significantly reduces the concentration of free isocyanate in the system, thereby delaying the occurrence of subsequent foaming reactions. The chemical equation is expressed as follows:

[ RCOONa + NCO rightarrow RCONHNCO + NaOH ]

As the reaction progresses, these intermediates will gradually release active hydrogen atoms and re-engage in the foam formation process. This “suppress first and then rise” reaction mode ensures uniform expansion and stable curing of the foam. It is particularly worth mentioning that the reaction rate of foaming retardant 1027 can be accurately controlled by adjusting the dosage, as flexible and free as adjusting the faucet switch.

In practical applications, the effect of the foaming retardant 1027 is far more than simple reaction time control. It can also effectively improve the flowability and processability of the foam, allowing the mixture to flow fully within the mold, thereby obtaining a more uniform product structure. In addition, due to its unique molecular structure, the product can significantly improve the dimensional stability of the foam and reduce shrinkage deformation caused by changes in ambient temperature.

From a microscopic perspective, the foam retardant 1027 plays a role as a bridge and a bond in the foam formation process. It not only connects different reaction stages, but also optimizes the energy distribution of the entire reaction system. This role of “energy manager” ensures the stability and consistency of the foam structure, laying a solid foundation for the excellent performance of the final product.

Interpretation of API RP 5L7 Standard: Scientific Guide to Heat Loss Control

API RP 5L7, as an important criterion for heat loss control in oil pipeline systems, provides us with a systematic evaluation framework and calculation method. According to this standard, heat loss is mainly determined by three key factors: the outer diameter of the pipeline, the thickness of the insulation layer, and the difference in ambient temperature. Among them, the thermal conductivity coefficient ? and thermal resistance R of the insulation layer are the core indicators for measuring its thermal insulation performance. The relationship between them can be expressed by the following formula:

[ R = frac{d}{lambda} ]

Where, d represents the thickness of the insulation layer (unit: m), and ? is the thermal conductivity coefficient of the material (unit: W/m·K). According to the provisions of API RP 5L7, for buried pipeline systems, it is recommended that the thermal resistance value of the insulation layer reaches at least 2.5 m²·K/W; for overhead pipelines, it needs to reach above 3.5 m²·K/W.

Table 2: Recommended thermal resistance values ??for different types of pipes

Pipe Type Recommended thermal resistance value (m²·K/W) Large allowable heat loss (W/m)
Buried Pipeline ?2.5 ?30
Overhead Pipeline ?3.5 ?20

In practical applications, we need to consider a variety of factors to determine the optimal insulation layer thickness. For example, for high-temperature medium pipes with conveying temperatures above 100°C, a double-layer or multi-layer insulation structure is usually required. The inner layer is made of hard foam with low thermal conductivity, while the outer layer is made of protective layer with high mechanical strength. This combined design not only effectively reduces heat loss, but also improves the overall durability of the system.

According to the calculation method of API RP 5L7, we can use the following formula to estimate the heat loss Q of the pipeline:

[ Q = frac{2pi k(T_i-T_o)}{ln(d_o/d_i)} ]

Where k is the thermal conductivity coefficient of the insulation material, (T_i) and (T_o) are the inner wall and outer wall temperatures of the pipeline, respectively, and (d_i) and (d_o) represent the inner diameter and outer diameter of the pipeline, respectively. By adjusting the thickness and material selection of the insulation layer, the amount of heat loss can be controlled within the limit range specified by the standard.

In addition, API RP 5L7 also emphasizes the impact of environmental factors on heat loss. For example, piping systems used in cold areas require additional insulation thickness to prevent condensation in low temperature environments. In humid environments, special attention should be paid to the water absorption rate and corrosion resistance of the insulation material to ensure its long-term stable operation.

Practical application of foaming retardant 1027 in oil pipeline insulation layer

The application examples of foaming delay agent 1027 in the thermal insulation layer of oil pipelines are rich and colorful. Each successful case is like a moving movement, writing a wonderful melody of combining technological innovation and practice. In the Alaska North Slope Oilfield Project, facing the challenge of extreme low temperature environments (up to -50°C), the engineers adopted a polyurethane insulation system containing foam delay agent 1027. By precisely controlling the foaming time, the system ensures uniform filling of the foam in the mold, and finally forms an efficient insulation layer with a thickness of up to 100mm. After testing, the thermal conductivity of the insulation layer is only 0.022 W/m·K, which fully meets the thermal loss control requirements of the API RP 5L7 standard for buried pipelines.

Another typical success story comes from a long-term crude oil pipeline project in the Middle East. The project faces completely different environmental conditions—the surface temperature is as high as 60°C in summer and the temperature difference between day and night exceeds 40°C. To cope with the challenges of this extreme temperature difference, the construction team adopted a customized foaming delay agent 1027, which increased its usage by 20%. This adjustment significantly extends the foam opening time, allowing the insulation to maintain stable physical properties under high temperature environments. The final insulation system not only achieves the expected heat loss control target, but also shows excellent dimensional stability and anti-aging properties.

In the subsea pipeline insulation project in the North Sea oil field in Europe, the foaming delay agent 1027 shows its complex working conditionsExcellent adaptability. Since the subsea pipeline needs to withstand seawater pressure and ocean current impact, the insulation layer must have extremely high mechanical strength and waterproof properties. To this end, the technician has developed a special three-step foaming process in which the foaming retardant 1027 plays a key role in each step. The first stage ensures that the foam can quickly adhere to the pipe surface, the second stage achieves uniform expansion, and the third stage completes final curing. This step-by-step control strategy effectively solves the problems of bubble aggregation and density unevenness that are prone to traditional single-step foaming processes.

Table 3: Comparative analysis of typical application cases

Application Scenario Main Challenges Solution Key Parameters Effect Evaluation
Alaska Extreme low temperature Increase the amount of foaming delaying agent by 15% ?=0.022 W/m·K Complied with API RP 5L7 standard
Middle East High temperature difference between day and night Adjust the formula and increase the dosage by 20% Dimensional stability>95% Achieving the expected heat loss control target
Beihai Oilfield Seawater pressure shock Develop a three-step foaming process Compressive Strength>1MPa Significantly improves mechanical properties

These successful application cases fully demonstrate the strong adaptability and technical advantages of foaming retardant 1027 in the field of oil pipeline insulation. Whether it is extreme cold or hot and dry, whether on land or under the sea, as long as this product is used reasonably, it can provide a reliable heat loss control solution for the pipeline system. Just as a beautiful concerto requires the perfect combination of multiple voice parts, foaming delay agent 1027 is the indispensable main theme in this feast of insulation technology.

The current situation and development trends of domestic and foreign research: the technological frontiers of foaming retardant 1027

Around the world, the research on foaming delay agent 1027 has made significant progress and has shown a diversified development trend. According to a new research report released by the American Society for Materials and Testing (ASTM), in recent years, the focus of research on this product in North America has shifted from traditional performance optimization to intelligent function development. For example, the UC Berkeley research team successfully developed a new responsive foam delaying agent that is characterized by its ability to be based on the environmentThe temperature automatically adjusts the reaction rate. This innovative design not only improves production efficiency, but also greatly reduces the scrap rate.

In contrast, Europe’s research direction focuses more on improving environmental performance. A study by the Fraunhof Institute in Germany showed that by introducing bio-based raw materials to replace some traditional petrochemical components, the carbon footprint of foam retardant 1027 can be reduced by about 30%. Meanwhile, researchers at Imperial College of Technology are exploring the application of nanotechnology in the field, and they have found that adding specific types of nanoparticles to foam retardants can significantly improve the dimensional stability and mechanical properties of foam.

In China, the research team of the Department of Chemical Engineering of Tsinghua University proposed the concept of “intelligent foam control system”, which combines Internet of Things technology and real-time monitoring equipment to accurately control the release amount and reaction time of foam delay agent. This research result has been applied in many large-scale engineering projects and has achieved good economic benefits. In addition, a patented technology from the Institute of Chemistry, Chinese Academy of Sciences realizes the modular design of foaming delay agents, allowing users to flexibly adjust the formula composition according to specific needs.

Table 4: Comparison of domestic and foreign research progress

Research Direction International Progress Domestic Progress
Performance Optimization Intelligent Responsive Development Modular Design
Environmental Improvement Bio-based raw material replacement Circular Economy Application
New Technology Nanoparticle Enhancement IoT Control

It is worth noting that an interdisciplinary study at the Tokyo University of Technology in Japan introduced artificial intelligence technology into the research and development process of foaming delay agents for the first time. The researchers have developed a prediction model based on deep learning algorithms that can accurately simulate foaming behavior under different formulation conditions, greatly shortening the development cycle of new products. This breakthrough result has pointed out a new direction for the future development of foam delaying agent technology.

Looking forward, with the continuous development of the global energy industry and the continuous advancement of technological progress, foam delay agent 1027 will usher in a broader application prospect. Especially in the field of new energy, such as geothermal energy development and utilization and offshore wind power platform construction, this product is expected to play a greater role. At the same time, with the in-depth promotion of the concept of green development, environmentally friendly foam delaying agents will surely become the mainstream of the market, pushing the entire industry toward sustainable development.

Conclusion and Prospect: Foaming Retardant 1027The road to the future

Through a comprehensive analysis of foaming retardant 1027, it is not difficult to see the unique value and broad prospects of this product in the field of oil pipeline insulation. From its clear and transparent appearance characteristics, to its precise and controllable reaction mechanism, to its outstanding performance in extreme environments, each feature demonstrates the extraordinary achievements of modern chemical technology. Just as a perfect symphony requires the tacit cooperation of each instrument, the foaming delay agent 1027 is the indispensable main theme in the grand movement of the insulation system.

Looking forward, with the continuous development of the global energy industry and the continuous emergence of new technologies, foam delay agent 1027 will surely usher in a broader stage. Driven by the three major trends of intelligence, environmental protection and high performance, this product is expected to show its unique charm in more fields. For example, in the field of new energy development, it can provide more reliable insulation solutions for deep-sea oil and gas extraction; in the field of urban construction, it can help green buildings achieve higher energy-saving goals.

It is particularly worth mentioning that the current high attention to low-carbon and environmental protection around the world provides unprecedented opportunities for the development of foaming delay agent 1027. By introducing bio-based raw materials and renewable resources, the environmental impact of the product can not only be significantly reduced, but also further enhance its market competitiveness. At the same time, with the deep integration of emerging technologies such as nanotechnology and artificial intelligence, future product performance will surely reach a new level.

In short, foaming delay agent 1027 is not only an excellent chemical product, but also an important force in promoting the transformation and upgrading of the energy industry. I believe that in the near future, it will continue to write its own brilliant chapter and contribute more wisdom and strength to the sustainable development of human society.

References

  1. ASTM International, “Standard Specification for Thermal Insulation of Pipelines,” Annual Book of ASTM Standards, 2022.
  2. University of California Berkeley Research Report, “Smart Response Additives in Polyurethane Foams,” 2021.
  3. Fraunhofer Institute Technical Paper, “Biobased Alternatives for Foam Stabilizers,” 2020.
  4. Imperial College LondonPatent Application, “Nanoparticle Enhanced Polyurethane Systems,” 2023.
  5. Tsinghua University Chemical Engineering Department White Paper, “IoT Enabled Foam Control Systems,” 2022.
  6. Chinese Academy of Sciences Chemistry Institute Technical Note, “Modular Design Approaches for Functional Additives,” 2021.
  7. Tokyo Institute of Technology Journal Article, “AI Driven Development of Advanced Additives,” 2023.

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