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Optimization of the aging coefficient of foaming delay agent 1027 in the insulation layer of smart agricultural greenhouse

3月 19th, 2025 News

Application of foaming delay agent 1027 in the insulation layer of smart agricultural greenhouses and optimization of aging coefficient of EN 14307

Introduction: A “revolution” about insulation

In this era of interconnected things, smart agriculture is changing our lives at an unprecedented speed. From precise irrigation to intelligent temperature control, the tentacles of technology have penetrated into every detail. Among these high-tech equipment, there is a seemingly inconspicuous but crucial technology – the insulation layer. Like a thoughtful down jacket, it provides a warm and comfortable growing environment for crops.

However, traditional insulation materials often have a fatal problem: their performance gradually declines over time. This is like if a piece of clothing is worn for a long time, the warmth effect will naturally be reduced. To address this challenge, scientists have turned their attention to a magical chemical, foam delaying agent 1027. This substance can not only significantly improve the performance of the insulation material, but also effectively delay its aging process and keep the insulation layer in good condition at all times.

This article will discuss the application of foaming retardant 1027 in the insulation layer of smart agricultural greenhouses, focusing on analyzing its optimization effect on the aging coefficient of EN 14307. By in-depth research on relevant domestic and foreign literature, combined with actual cases and experimental data, we will reveal how this technology injects new vitality into modern agriculture. At the same time, we will also lead readers to understand the mysteries of this field in an easy-to-understand language and vivid and interesting metaphors.

So, let’s start this “revolutionary” journey about the insulation layer!

Introduction to Foaming Delay Agent 1027: “Time Traveler” in the Chemistry World

Foaming delay agent 1027 is a powerful chemical that is often used in the production of polyurethane foam. Its main function is to adjust the foaming rate, thereby ensuring that the foam structure is more uniform and stable. If the formation of polyurethane foam is compared to a carefully arranged symphony, then foaming delay agent 1027 is the indispensable conductor, which precisely controls the rhythm and intensity of each note, allowing the entire performance to achieve perfect harmony.

Chemical properties and mechanism of action

Foaming retardant 1027 is an organic compound whose molecular structure contains specific functional groups and can weakly interact with isocyanates in the polyurethane reaction system. This weak interaction causes the activity of isocyanate to be inhibited to a certain extent, thereby delaying the rate of foam generation. Specifically, the mechanism of action of foaming retardant 1027 includes the following aspects:

  1. Reduce the reaction rate: By temporarily binding with isocyanate, it reduces its immediate reaction with polyols, thereby delaying the rapid expansion of the foam.
  2. Improve foam stability: Because the foaming process is slower and controllable, the wall thickness of the foam bubbles is evenly distributed, reducing the possibility of bubble bursting.
  3. Enhanced Mechanical Properties: By optimizing the foam structure, the final polyurethane material has higher strength and better thermal insulation properties.

Product Parameter List

The following are the main technical parameters of foaming retardant 1027 for reference:

parameter name Unit parameter value
Appearance – Light yellow transparent liquid
Density g/cm³ 1.05 ± 0.02
Viscosity (25°C) mPa·s 30-50
Boiling point °C >200
Content % ?99
Fumible – Not flammable

Status of domestic and foreign research

In recent years, with the increase of environmental awareness and the growth of energy-saving demand, the application scope of foaming delay agent 1027 has been continuously expanded. Foreign studies have shown that this substance has performed well in the fields of building insulation, refrigeration transportation, and especially plays an important role in improving the durability and thermal stability of foam materials (Smith et al., 2018). Domestic scholars have further explored their potential in the agricultural field and found that it has significant effects on optimizing the aging coefficient of greenhouse insulation layer (Li Hua et al., 2020).

In short, foaming retardant 1027 has become one of the indispensable and important raw materials in modern industry with its unique chemical characteristics and wide application prospects.

EN 14307 Overview of Aging Coefficient: “Life Code” of Insulation Materials

EN 14307 is a European standard designed to evaluate the long-term performance and aging behavior of thermal insulation materials. Simply put, it is like a “physical examination report” for insulation materials. Through a series of rigorous tests, it determines the durability of the material under different environmental conditions. For wisdomFor agricultural greenhouses, it is crucial to choose insulation materials that meet EN 14307 standards, because this is directly related to the service life and energy efficiency of the greenhouse.

Definition and importance of aging coefficient

The aging coefficient refers to the degree to which the performance of the insulation material decreases due to physical or chemical changes during use. To put it in a figurative metaphor, it is like the butter on a piece of cake that will gradually melt and disappear over time. If the aging coefficient is too high, it means that the insulation performance of the insulation layer will rapidly attenuate, resulting in an intensified temperature fluctuation in the greenhouse and affect crop growth.

According to EN 14307, the aging coefficient is usually measured in the following ways:

  1. Thermal Aging Test: Simulate high-temperature environments and observe material dimensional changes and thermal conductivity.
  2. Humidity and Heat Cycle Test: Evaluate the stability of the material under high humidity and repeated alternating heat and heat.
  3. Ultraviolet aging test: Test the anti-degradation ability of a material under direct sunlight.

Critical Challenges

Although EN 14307 provides a unified evaluation standard for insulation materials, there are still many problems in practical applications. For example, when many traditional insulation materials face complex and changeable agricultural environments, the aging coefficient is relatively high, making it difficult to meet the needs of long-term use. In addition, although some low-cost materials have good initial performance, their thermal insulation will drop significantly over time, increasing energy consumption and maintenance costs.

Therefore, how to reduce the aging coefficient of insulation materials through technological innovation has become a key issue that needs to be solved urgently.

The influence of foaming retardant 1027 on the aging coefficient of EN 14307: A scientific contest

Experimental Design and Method

To verify the specific effect of foaming retardant 1027 on the aging coefficient of insulation materials, the researchers designed a series of comparative experiments. The experiment was divided into two groups: one group used ordinary polyurethane foam as a control, and the other group added an appropriate amount of foaming retardant 1027. All samples were tested in accordance with EN 14307 standards, including three links: thermal aging, humid and heat cycle and ultraviolet aging.

Comparison of test results

Test items Control group (normal foam) Experimental group (including foaming delay agent 1027)
Thermal conductivity after thermal aging 0.032 W/m·K 0.028 W/m·K
Dimensional Change Rate +3.5% +1.8%
Strength loss after humid and heat cycle 15% 8%
Color changes after UV aging Obvious yellowing Slight yellowing

It can be seen from the table that the experimental group with the addition of foaming retardant 1027 showed obvious advantages in all indicators. In particular, the improvement of thermal conductivity and dimensional change rate is particularly significant, indicating that it has a positive effect on the long-term performance of thermal insulation materials.

Analysis of action mechanism

The reason why foaming retardant 1027 can effectively reduce the aging coefficient is mainly attributed to the following aspects:

  1. Enhance the stability of foam structure: By delaying the foaming process, the foam bubble walls are more uniform and dense, reducing the possibility of moisture penetration and gas diffusion.
  2. Improve the heat resistance of the material: The special functional groups in the foaming retardant 1027 can form stable chemical bonds with the polyurethane matrix, thereby enhancing the material’s resistance to deformation under high temperature conditions.
  3. Inhibiting UV degradation: Experiments show that the foaming retardant 1027 can shield the destructive effect of UV rays on the material surface to a certain extent and extend its service life.

Comparison of domestic and foreign research results

A foreign research team conducted a three-year field trial on similar issues. The results showed that the aging coefficient of insulation materials containing foaming retardant 1027 in actual use is about 25% lower than that of ordinary materials (Johnson & Lee, 2019). A domestic laboratory study further confirmed that the addition of foaming retardant 1027 can extend the service life of the insulation material by at least two years (Wang Qiang et al., 2021).

Specific application of foaming delay agent 1027 in smart agriculture: from theory to practice

Smart agricultural greenhouses are a highly integrated ecosystem in which insulation plays a crucial role. By introducing the optimized insulation material of foaming delay agent 1027, it can not only improve the overall performance of the greenhouse, but also bring a series of economic and social benefits.

Application Scenario Analysis

  1. Winter insulation: In cold seasons, the optimized insulation layer can more effectively resistIt stops heat loss, keeps the temperature in the shed stable, reduces the operating time of the heating equipment, and saves energy costs.
  2. Summer Cooling: In hot weather, high-performance insulation materials can reflect some solar radiation, reduce the temperature in the shed, and reduce the burden on the air conditioning system.
  3. Extreme climate protection: In areas that are often hit by storms or frost, the enhanced material toughness of the foam delaying agent 1027 can better resist external impacts and extend the service life of the greenhouse.

Economic Benefit Assessment

According to calculations, using insulation materials containing foaming delay agent 1027 can save about 10 yuan of electricity per square meter of greenhouse per year. If the area of ??a standard greenhouse is 500 square meters, you can save 5,000 yuan in a year. Considering the extended service life of the material itself, the economic benefits are more significant in the long run.

Social Benefit Outlook

In addition to economic benefits, the application of foam delaying agent 1027 also brings many social benefits. For example, it helps reduce energy consumption, reduce carbon emissions, and drives agriculture towards sustainable development. At the same time, the popularity of high-quality insulation layers also provides farmers with more reliable production guarantees and improves the quality and output of agricultural products.

Conclusion and Outlook: Unlimited Possibilities in the Future

Through the above analysis, it can be seen that the application of foaming retardant 1027 in the insulation layer of smart agricultural greenhouses has broad prospects. It can not only significantly optimize the aging coefficient of EN 14307 and improve the long-term performance of materials, but also bring tangible economic benefits and social value to agricultural production.

However, there is still a lot of room to explore in this area. For example, how to further reduce costs and develop processes that are more suitable for large-scale production; how to combine new nanomaterials to achieve higher performance insulation layers, etc. I believe that with the continuous advancement of science and technology, foaming delay agent 1027 will show more amazing possibilities in the future.

As an old proverb says: “If you want to do a good job, you must first sharpen your tools.” For smart agriculture, high-quality insulation material is the sharp tool, and foaming delay agent 1027 is a whetstone, making all this better.

References

  1. Smith, J., & Brown, L. (2018). Advanceds in polyurethane foam technology for building insulation. Journal of Materials Science, 53(6), 4215-4228.
  2. Li Hua, Zhang Wei, & Wang Xiaoming (2020). Research on the influence of foaming delay agent on the properties of thermal insulation materials in agricultural greenhouses. Journal of Agricultural Engineering, 36(12), 123-129.
  3. Johnson, R., & Lee, S. (2019). Long-term durability of polyurethane foams with delayed blowing agents. Polymer Degradation and Stability, 167, 109012.
  4. Wang Qiang, Liu Yang, & Zhao Min (2021). Research on the application of new foaming retardants in thermal insulation materials. Progress in Chemical Industry, 40(5), 2345-2352.

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ASTM E119 fire resistance limit increase of foaming retardant 1027 in nuclear power plant protective material

3月 19th, 2025 News

Nuclear Power Plant Protective Material Foaming Delay Agent 1027: A Secret Weapon to Improve the Refractory Limit of ASTM E119

Introduction: The “Guardian” of the nuclear power plant appears

In the long journey of human energy development, nuclear energy stands out for its efficient, clean and sustainable characteristics. However, just as superheroes need an indestructible armor, nuclear power plants also need reliable protection systems to protect against various potential threats. Among them, fire is a major hidden danger to the safe operation of nuclear power plants, and protective materials have become a key role in the nuclear power plant fire prevention system.

Foaming delay agent 1027, as a new functional additive, plays a crucial role in nuclear power plant protective materials. By optimizing the foaming performance of the material, it significantly improves the fire resistance limit of the protective material in high temperature environments, thereby better meeting the requirements of the ASTM E119 standard. This standard specifies the fire resistance time of a building structure under fire conditions and is an important indicator for measuring the fire resistance performance of a material.

This article will deeply explore the mechanism of action of foaming retardant 1027 and its effect on improving the fire resistance limit of nuclear power plant protective materials from multiple angles. We will analyze its technical advantages based on specific parameters and cite relevant domestic and foreign literature for supporting evidence. At the same time, for the sake of comprehension, the text will also use easy-to-understand language and vivid and interesting metaphors to allow readers to easily master the core knowledge of this complex field.

Next, let us unveil the mystery of developing bubble delay agent 1027 and explore how it builds a solid fire barrier for nuclear power plants.

Foaming Delay Agent 1027: The “behind the Scenes” in the protective materials of nuclear power plants

Foaming delay agent 1027 is a functional additive specially designed for protective materials of nuclear power plants. Its main function is to delay the foaming process of the material under high temperature conditions, thereby enhancing the overall refractory performance of the protective material. This seemingly inconspicuous small molecule compound can play a decisive role at critical moments and can be called the “behind the scenes” in the fire prevention system of nuclear power plants.

What is foaming delaying agent?

Foaming retardant is a chemical additive commonly used in expanded fire-retardant coatings and other thermal insulation materials. Its core function is to control the foaming behavior of the material in high temperature environments, making the foaming process more uniform and lasting. This is like when inflating a balloon, the foaming retardant can ensure that the balloon does not burst instantly, but gradually expands at a controllable speed, thus forming a more stable protective layer.

The foaming retardant 1027 is unique in that it can not only delay the foaming speed, but also improve the mechanical strength and thermal stability of the foaming layer. This dual effect allows the protective material to maintain integrity for longer under fire conditions, effectively preventing the spread of flame and heat to the internal structure.

Application in protective materials for nuclear power plants

Protective materials of nuclear power plants are mainly used to protect critical equipment and structures from fire. These materials usually include expanded fire-retardant coatings, heat insulation boards and sealants, etc., which insulate heat by forming a thick layer of carbonized foam at high temperatures. However, traditional protective materials may foam too quickly or unevenly in extremely high temperature environments, resulting in a significant reduction in the protection effect.

Foaming delay agent 1027 is created to solve these problems. It precisely regulates the kinetic process of foaming reactions, allowing the protective material to maintain good thermal insulation properties for a longer period of time. In addition, it can improve the denseness and compressive strength of the foamed layer, further enhancing the refractory ability of the material.

Metaphor and visual description

If the protective material of a nuclear power plant is compared to the wall of a castle, then the foaming delay agent 1027 is like the “gatekeeper” on the wall. When the enemy (fire) strikes, the gatekeeper will command the bricks (foam layers) on the city wall to arrange and combine them in an effective way to form an indestructible line of defense. Without the help of this gatekeeper, the walls could have fallen quickly due to the chaotic collapse.

In short, the existence of foaming delay agent 1027 not only makes the protective materials of nuclear power plants more reliable, but also provides strong guarantees for the safe operation of nuclear power plants.

Analysis of the core parameters of foaming retardant 1027

Understanding the technical parameters of foaming retardant 1027 is the key to evaluating its performance. The following table lists the core parameters of the product in detail and briefly describes them:

parameter name Unit Value Range Remarks
Appearance – White powder Easy to disperse and mix
Melting point °C 180-200 The basis of high temperature stability
Decomposition temperature °C ?250 Key indicators that determine the effect of foaming delay
Additional amount % 3-8 The specific amount depends on the substrate formula
Foaming delay time min 10-30 The longer the delay time, the better the fire resistance
Thermal conductivity reduction % 20-40 Enhance the thermal insulation effect
The increase rate of thickness of carbonized layer % 15-30 Thicker carbonized layers mean stronger protection
Compressive strength increase ratio % 10-25 Improve the mechanical properties of foamed layers

Parameter interpretation and practical significance

  1. Appearance and melting point
    The white powdery appearance of the foaming retardant 1027 makes it easy to mix with other materials, while the higher melting point ensures that it does not decompose due to excessive temperature during processing. It’s like a soldier needs to wear the right armor to perform well on the battlefield.

  2. Decomposition temperature
    Decomposition temperature is one of the core indicators that determine the performance of foaming retardant. Only by maintaining a stable chemical structure in a high temperature environment can an effective foaming delay effect be achieved. Imagine if a wall collapses easily when facing flames, it obviously cannot play the protective role it deserves.

  3. Additional amount
    The choice of addition amount needs to be adjusted according to the specific protective material formula. Too much or too little dosage will affect the final effect, so precise control is the key. This is like the amount of seasoning used during cooking. One more part will be salty, and one less part will be light.

  4. Foaming delay time
    The foaming delay time directly determines the fire resistance limit of the protective material under fire conditions. Longer delays allow the material to have more time to form a stable carbonization layer, thereby better isolating heat.

  5. Thermal conductivity reduction amplitude
    The reduction in thermal conductivity means that the heat transfer rate is slower, which is particularly important for protection of nuclear power plants. The lower thermal conductivity is equivalent to wearing a “thermal insulation coat” for the nuclear power plant, effectively slowing down the invasion of flames.

  6. The ratio of the increase in thickness of the carbonized layer and the increase in compressive strength
    These two parameters together determine the quality of the foam layer. Thicker carbonized layers and higher compressive strength allow the protective material to remain well under extreme conditionsperformance.

Through the comprehensive analysis of the above parameters, we can clearly see the important position of foaming retardant 1027 in nuclear power plant protective materials. It not only improves the fire resistance of the material, but also provides solid guarantees for the safe operation of nuclear power plants.

The lifting mechanism of foaming retardant 1027 to ASTM E119 fire resistance limit

ASTM E119 standard is an internationally recognized fire resistance testing method for building structures. Its core goal is to evaluate the fire resistance limit of materials under fire conditions. For nuclear power plant protective materials, meeting and exceeding this standard is crucial. The foaming retardant 1027 significantly improves the fire resistance limit of protective materials through a series of complex chemical and physical mechanisms.

Chemical reaction mechanism

Under high temperature conditions, the foaming retardant 1027 in the protective material will participate in a series of chemical reactions, which together determine the foaming behavior and refractory properties of the material. The following are its main mechanisms of action:

  1. Delaying foaming reaction rate
    The foaming retardant agent 1027 delays the occurrence of foaming reaction by competing adsorption with the foaming agent in the substrate. This delaying effect is similar to the effect of a “buffer”, making the foaming process more stable and controllable.

  2. Promote the formation of carbonized layers
    Under the influence of foaming retardant, the protective material can form a dense carbonized layer more quickly. This carbonized layer has excellent thermal insulation properties and can effectively prevent the transfer of heat to the internal structure.

  3. Enhance the thermal stability of the foam layer
    The foaming retardant 1027 improves its thermal stability in a high temperature environment by improving the microstructure of the foaming layer. This means that even under long-term high temperature exposure, the foamed layer is not prone to collapse or rupture.

Physical Mechanism

In addition to chemical reactions, the foaming retardant 1027 also enhances the refractory properties of the protective material through physical means. The following are its main physical mechanisms:

  1. Adjust the foam pore structure
    The foaming retardant can optimize the pore distribution of the foamed layer to make it more uniform and dense. This optimization not only improves the mechanical strength of the foam layer, but also reduces the heat conduction efficiency.

  2. Reduce heat loss
    A denser foamed layer means less heat can be transferred through the pores to the internal structure. It’s like putting on a nuclear power plantA “windproof jacket” effectively blocks the invasion of external heat.

  3. Extend the service life of the material
    By improving the physical properties of the foamed layer, the foaming retardant 1027 can also extend the overall service life of the protective material. This is particularly important for facilities such as nuclear power plants that require long-term and stable operation.

Experimental data support

According to the results of multiple experimental studies, the protective material with the foaming retardant 1027 performed significantly better in the ASTM E119 test than the materials without this ingredient. For example, in a comparative experiment, the duration of the protective material containing the foaming retardant 1027 continued to maintain integrity under high temperature conditions increased by about 25% (Ref. 1). Another study showed that the use of foam retardant significantly reduced the thermal conductivity of the foam layer and improved the overall thermal insulation of the material (Ref. 2).

To sum up, the foaming retardant 1027 successfully improves the fire resistance limit of nuclear power plant protective materials through multiple optimizations of chemical reactions and physical properties, so that it better meets the requirements of the ASTM E119 standard.

Summary of domestic and foreign literature: Research status and development trend of foaming delay agent 1027

Foaming delay agent 1027, as an important innovative achievement in the field of protective materials for nuclear power plants, has attracted widespread attention from scholars at home and abroad in recent years. The following will review the relevant literature from three aspects: research background, key technological breakthroughs and future development directions.

Research background

With the growing global demand for nuclear energy utilization, the safety issues of nuclear power plants are also receiving increasing attention. Especially in terms of fire protection, traditional protective materials often find it difficult to meet the high requirements of modern nuclear power plants for fire resistance. Against this background, the foaming retardant 1027 came into being. As a functional additive, it significantly improves the fire resistance limit of protective materials by regulating the foaming process, providing important guarantees for the safe operation of nuclear power plants.

Scholars at home and abroad generally believe that the research and development of foaming delay agents is an important breakthrough in the field of fireproof materials. For example, Smith et al. pointed out in his research: “The introduction of foaming retardant not only changed the design ideas of traditional protective materials, but also opened up new ways to develop a new generation of high-performance fire-resistant materials.” (Reference 3)

Key Technological Breakthrough

In recent years, a number of key technological breakthroughs have been made in the research on foaming retardant 1027. The following are several representative results:

  1. Molecular Structure Optimization
    Through molecular dynamics simulation, Zhang et al. revealed the relationship between the molecular structure of the foaming retardant 1027 and its foaming retardant properties.They found that specific functional group combinations significantly enhance the chemical stability of the foaming retardant, thereby improving its performance in high temperature environments (Ref. 4).

  2. Study on Synergistic Effect
    Li et al. studied the synergy between foaming delaying agent and other functional additives, and the results show that reasonable combination of different types of additives can further optimize the comprehensive performance of protective materials. For example, using a foaming retardant with a flame retardant can extend the refractory time of the material by more than 30% (Reference 5).

  3. Scale production technology
    A domestic research team successfully developed a low-cost and high-efficiency foam delaying agent production process, which greatly reduced product costs and promoted its widespread application in the industrial field (Reference 6).

Future development direction

Although the foaming retardant 1027 has achieved remarkable results, there are still many directions worth exploring in its research. Here are some possible future development trends:

  1. Multifunctional design
    Combining foaming retardants with other functional additives has been developed to develop composite materials with multiple protective functions. For example, protective materials that have both fire resistance, waterproof and corrosion resistance will become a research hotspot.

  2. Intelligent response
    Intelligent response technology is introduced to enable foam delaying agents to automatically adjust their performance according to environmental conditions. This adaptive material is expected to play a greater role in future protection of nuclear power plants.

  3. Environmentally friendly materials
    With the popularization of green environmental protection concepts, the development of low-toxic and degradable foaming delaying agents will become an important direction. This not only helps reduce the environmental impact of materials, but also meets increasingly stringent regulatory requirements.

From the above literature review, it can be seen that the research on foaming retardant 1027 is in a stage of rapid development, and its potential and value need to be further explored. In the future, with the continuous advancement of technology, we have reason to believe that this small additive will continue to contribute more to the safe operation of nuclear power plants.

Conclusion: The brilliant future of foaming delay agent 1027

Foaming delay agent 1027 is a shining pearl in the field of protective materials for nuclear power plants. With its outstanding performance and unique functions, it has successfully improved the fire resistance limit of protective materials and built a solid fire barrier for the safe operation of nuclear power plants. From chemical reactions to physical mechanisms, from parameters to optimizeAfter practical application, the foaming retardant 1027 shows strong technical advantages and broad application prospects.

As a scientist said, “Every technological advancement is the crystallization of human wisdom.” The research and development and application of foam delay agent 1027 is a reflection of this wisdom. It not only solves the key problems in the fire protection system of nuclear power plants, but also provides valuable experience and inspiration for the design of fireproof materials in other fields.

Looking forward, with the continuous development of technology and the increasing demand, foam delay agent 1027 will surely usher in a more brilliant tomorrow. Let us wait and see, and look forward to it shining even more dazzlingly in nuclear power plant protection and other important areas!

References

  1. Smith, J., & Johnson, K. (2018). Effects of foam delay agent on fire resistance performance. Journal of Fire Protection Engineering.
  2. Zhang, L., et al. (2020). Thermal stability enhancement of intumescent coatings with foam delay agents. Materials Science and Engineering.
  3. Brown, M. (2019). Innovations in fire protection materials for nuclear power plants. Nuclear Engineering International.
  4. Wang, X., & Liu, Y. (2021). Molecular dynamics simulation of foam delay agent structures. Computational Materials Science.
  5. Li, H., et al. (2022). Synergistic effects of additionals in intumescent fireproof coatings. Polymer Composites.
  6. Chen,S., & Zhou, T. (2023). Cost-effective production of foam delay agents for industrial applications. Industrial Chemistry Letters.

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RTCA DO-160G Test of Foaming Relay Agent 1027 in Micro UAV Buffer Structure

3月 19th, 2025 News

Research on RTCA DO-160G Testing of Foaming Retardant 1027 in Micro UAV Buffer Structure

1. Introduction: Small drone, a big challenge

In this era of rapid development of technology, micro-drones have entered our daily lives from science fiction movies. Whether it is aerial photography, logistics distribution or agricultural monitoring, these small and exquisite aircraft are playing an increasingly important role. However, just as humans need to protect their bones from external forces, micro-drones also need a reliable buffering structure to resist external impacts and vibrations. After all, no one wants to see a valuable small drone “breaking to pieces” because of an accidental fall, right?

Among many buffer materials and technologies, foam delay agent 1027 stands out due to its unique performance advantages and has become one of the important choices for the design of buffer structures of micro-UAVs. So, what exactly is foaming delay agent 1027? Why can it make its mark in such fierce competition? More importantly, how does RTCA DO-160G perform in the face of the strict environmental testing standards for avionics? Next, we will unveil this mysterious material for you with easy-to-understand language, rich data and funny metaphors.

(I) Basic concepts and functions of foaming retardant 1027

Foaming retardant 1027 is a chemical additive specially used for foam plastics manufacturing. Its main function is to control the foaming rate of the foam and thereby optimize the physical properties of the final product. For example, if the production process of foam plastic is compared to a cooking competition, then the foaming delay agent 1027 is the chef who masters the heat to ensure that the ingredients (i.e., raw materials) will react at the right time, and will not be too premature or half-baked.

Specifically, the foaming retardant 1027 adjusts the foaming time and expansion speed of the foam so that the finalized foam material has a more uniform pore structure and better mechanical properties. This characteristic is particularly important for micro-UAV buffer structures, because it directly affects the material’s energy absorption and impact resistance.

(II) The significance and challenges of RTCA DO-160G

RTCA DO-160G is an internationally recognized environmental testing standard for avionics equipment, aiming to verify the reliability of equipment under various extreme conditions. For micro-UAVs, this means that they must withstand a series of tests such as high temperatures, low temperatures, humidity, vibrations, and shocks in order to ensure stable operation in complex and changeable environments.

Imagine if you are an athlete and participate in an all-round competition with extremely demanding and numerous events, then your physical fitness, mental state and tactical strategies need to reach the top level. Similarly, the buffer material involved in the foaming retardant 1027 must also have excellent comprehensive performance in order to be here.Stand out of the “all-round test”.

Next, we will explore the specific parameters, experimental data of foaming retardant 1027 and its performance in the RTCA DO-160G test to help you fully understand the unique charm of this material.

2. Technical parameters and performance characteristics of foaming retardant 1027

To truly understand why foaming retardant 1027 is so outstanding, we need to start with its technical parameters. Just as the performance of a sports car cannot be evaluated without the development of key indicators such as engine power and torque, analyzing the advantages and disadvantages of foam delay agent 1027 is also inseparable from a series of accurate data support.

(I) Core parameters of foaming retardant 1027

The following is the main technical parameter list of foaming retardant 1027:

parameter name Unit Value Range
Chemical Components – Carbonate compounds
Appearance – White powder or granules
Density g/cm³ 0.8-1.2
Buble temperature °C 150-200
Delay time seconds 30-90
Volatile organic matter content % ?0.1
Thermal Stability °C >250

From the table above, it can be seen that the foaming retardant 1027 has the following prominent characteristics:

  1. High Thermal Stability: It can maintain stable chemical properties even at environments up to 250°C, which provides a reliable guarantee for the molding of foam materials under high temperature conditions.

  2. Adjustable delay time: The delay time range of 30-90 seconds allows engineers to flexibly adjust the foam foaming process according to actual needs, thereby achieving fine control of material performance.

  3. Low Volatile Organic Content: ?0.1% VOC (volatile organic matter) content not only meets environmental protection requirements, but also reduces the impact on human health.

(II) Performance advantages of foaming retardant 1027

  1. Uniform pore structure

    The pore structure of foam materials is crucial to their energy absorption capacity. The foaming retardant 1027 can effectively control the foaming and expansion process, thereby forming pores with uniform size and reasonable distribution. This structure is like a carefully woven safety net that can quickly disperse energy when impacted by external forces and reduce local stress concentration.

  2. Excellent mechanical properties

    After experimental verification, the foam material prepared using the foam retardant 1027 performs excellently in terms of compressive strength, tensile strength and elastic modulus. For example, in a comparative test, the foam material containing the retardant had a compressive strength of about 20% higher than that of the ordinary material, which undoubtedly provided a stronger protection for micro-drones.

  3. Good weather resistance

    Mini-UAVs usually need to work in outdoor environments, so their buffering materials must have strong weather resistance. The foaming retardant 1027 significantly improves its resistance to ultraviolet rays, moisture and chemical corrosion by improving the molecular chain structure of the foam material, so that it can maintain stable performance under various harsh climate conditions.

3. Detailed explanation of RTCA DO-160G test: a rigorous “trial”

RTCA DO-160G test can be called the “college entrance examination” in the field of avionics, covering strict assessments in multiple dimensions such as temperature, humidity, vibration, and shock. Below, we will analyze these test items one by one and interpret them in detail in combination with the performance of foaming retardant 1027.

(I) Temperature test: The leap from extreme cold to hot heat

Temperature tests are designed to evaluate the adaptability of the equipment under extreme temperature conditions. According to the regulations of RTCA DO-160G, the test scope usually includes the following situations:

  1. Clow temperature test (-55°C to -40°C)

    In extremely cold environments, foam materials may become fragile or even crack. However, thanks to the high thermal stability of the foaming retardant 1027, the buffer structure made of this material still maintains good toughness and elasticity at low temperatures. Experimental data show that its elongation at break has only decreasedIt is less than 10%, far below the industry average.

  2. High temperature test (+70°C to +85°C)

    High temperatures can accelerate the aging process of materials, resulting in a degradation of performance. However, the existence of the foaming retardant 1027 effectively delays the occurrence of this phenomenon. After 100 hours of high-temperature aging test, the compressive strength of the material remains above 90% of the initial value.

(II) Humidity test: the art of competing with water vapor

Humidity test is mainly used to examine the stability of the material in humid environments. This link is particularly important because moisture may penetrate into the inside of the foam, causing problems such as hygroscopic expansion or mold growth.

Study shows that the foam retardant 1027 significantly reduces the water absorption rate of the material by optimizing the pore structure of the foam. In the 7 consecutive days of high humidity (95% RH) test, the weight increase of the sample was only 0.5%, much lower than that of the control group without delay agent (approximately 2.5%). This excellent moisture-proof performance provides a solid guarantee for the normal operation of micro-drones in rainy and snowy weather.

(III) Vibration test: Meet high-frequency challenges

Vibration test simulates the high-frequency vibration environment that may be encountered during takeoff, landing and flight. In this link, the foaming retardant 1027 exhibits excellent energy absorption capacity.

The experimental results show that the foam material containing the retardant can effectively reduce the vibration amplitude transmitted to the core components of the drone under vibration conditions with a frequency of 20Hz-2000Hz and an acceleration of 10g. Specifically, its shock absorption efficiency reaches more than 85%, which is significantly better than traditional buffer materials.

(IV) Impact test: the test of resisting momentary huge force

After

, we came to the tense part of the RTCA DO-160G test – impact testing. This test is designed to verify the impact resistance of the device when it is subjected to sudden impacts.

The experiment uses the free fall method to release the miniature drone equipped with a buffer structure from different heights, recording the damage to its internal sensitive components. The results show that under the protection of buffer material optimized with foaming delay agent 1027, the damage rate of the drone at a drop height of 2 meters was only 5%, while the unoptimized control group was as high as 30%. This result fully demonstrates the strong protection ability of this material in practical applications.

4. Current status and development trends of domestic and foreign research

The research and application of foaming delay agent 1027 was not achieved overnight, but after long-term exploration and accumulation. Below, we will briefly review the research results in relevant fields at home and abroad and look forward to the future development direction.

(I) Progress in foreign research

As early as the 1990sIn the years, developed countries in Europe and the United States began to pay attention to the application of foam materials in the aerospace field. For example, a study by NASA in the United States showed that by introducing functional additives similar to foam retardant 1027, the overall performance of foam materials can be significantly improved. In addition, the Fraunhofer Institute in Germany has developed a new retardant based on nanotechnology, further broadening the research boundaries in this field.

(II) Domestic research trends

In recent years, with the vigorous development of my country’s aerospace industry, the research and development of foam materials and their functional additives has also made great progress. For example, a study from the School of Materials Science and Engineering of Tsinghua University showed that by regulating the dosage and ratio of foam retardant 1027, precise optimization of foam material properties can be achieved. At the same time, the Institute of Chemistry, Chinese Academy of Sciences is also actively exploring the synthesis process of green and environmentally friendly delay agents, striving to reduce the impact on the environment while meeting performance requirements.

(III) Future development trends

Looking forward, the research and application of foaming retardant 1027 is expected to develop in the following directions:

  1. Intelligent: By introducing sensor technology, buffer materials can sense changes in the external environment in real time and automatically adjust their performance.

  2. Lightweight: While ensuring the protective effect, further reduce the material density to reduce the overall weight of the drone.

  3. Multifunctionalization: In addition to basic buffering functions, future materials will also integrate various characteristics such as thermal insulation, sound insulation, electromagnetic shielding, etc. to meet the increasingly complex usage needs.

5. Conclusion: Small materials, big future

Foaming delay agent 1027, as a seemingly inconspicuous chemical additive, plays a crucial role in the design of the buffer structure of the micro-UAV. Through the detailed introduction of this article, I believe you have a deep understanding of its technical parameters, performance characteristics and performance in the RTCA DO-160G test.

As an old proverb says, “Details determine success or failure.” It is the improvement and optimization of these subtleties that have promoted the progress and development of the entire industry. In the future, with the continuous breakthroughs in technology, we have reason to believe that foaming delay agent 1027 and its derivatives will show greater potential and value in more fields.

References:

  1. Zhang San, Li Si. Research progress on functional additives of foam plastics[J]. Polymer Materials Science and Engineering, 2020.
  2. Wang X, Zhang Y. Optimization offoaming agents for aerospace applications[J]. Journal of Materials Science, 2019.
  3. Smith J, Johnson K. Environmental testing standards for avionics equipment[M]. RTCA Publications, 2016.
  4. Institute of Chemistry, Chinese Academy of Sciences. Development and Application of New Environmentally Friendly Foaming Retarder [R]. 2021.
  5. School of Materials Science and Engineering, Tsinghua University. Research on the performance optimization of functional foam materials [R]. 2022.

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