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Application of self-crusting pinhole eliminator in the construction of stadiums: Ensure the durability and safety of site facilities

2月 28th, 2025 News

“Application of self-crusting pinhole eliminator in the construction of stadiums: Ensure the durability and safety of site facilities”

Abstract

This article discusses the application of self-cutting pinhole eliminator in the construction of stadiums, focusing on analyzing its role in ensuring the durability and safety of site facilities. The article introduces the chemical composition, physical characteristics and working principles of self-crusting pinhole eliminator in detail, and explains its specific application in the maintenance of the ground, wall and facilities of the stadium. By comparing relevant domestic and foreign research and actual cases, this paper evaluates the advantages of this product in improving the durability, safety and economic benefits of the facility. The research results show that self-cutting pinhole eliminator can effectively improve the overall performance of sports venue facilities and provide reliable guarantees for the long-term use and maintenance of venues.

Keywords Self-cutting pinhole eliminator; stadium; durability; safety; surface treatment; facility maintenance

Introduction

With the rapid development of the sports industry, as an important infrastructure, the construction quality and maintenance level of sports venues directly affect the performance of athletes and the safety of spectators. However, during long-term use, pinholes, cracks and other problems often appear on the surface of the venue facilities, which not only affects the beauty, but may also cause safety hazards. To solve this problem, self-crusting pinhole eliminators have emerged and become a key material for improving the performance of sports venue facilities.

This study aims to deeply explore the application value of self-crusting pinhole eliminators in the construction of sports venues, and provide a scientific basis for the design, construction and maintenance of sports venues by analyzing their chemical characteristics, working principles and practical application effects. The article first introduces the basic concepts and characteristics of self-cutting pinhole eliminator, and then elaborates in detail its specific application in the construction of stadiums. Later, its actual effects and advantages were evaluated through case analysis.

1. Characteristics and principles of self-crusting pinhole eliminator

Self-crusting pinhole eliminator is a polymer composite material specially used to deal with surface defects of materials. Its main components include epoxy resin, polyurethane, silane coupling agent, etc. These components work together to effectively fill and seal tiny pores and cracks on the surface of the material. From the perspective of physical characteristics, this product has excellent adhesion, wear resistance and weather resistance, and can maintain stable performance under various environmental conditions.

The working principle of self-crusting pinhole eliminator is mainly based on its unique chemical structure and physical properties. When applied to the surface of a material, its low viscosity properties allow it to penetrate deep into tiny pinholes and cracks. Subsequently, a dense, uniform protective film is formed by chemical reactions and physical cross-linking. This film not only effectively seals surface defects, but also improves the overall strength and durability of the material. In addition, the self-skin pinhole eliminator also has good self-leveling properties and can automatically fill the surface unevenness to form a smooth and uniform surface.

With traditionCompared with surface treatment materials, self-crusting pinhole eliminators have significant advantages. First of all, its construction is simple and does not require complex equipment and processes, which greatly reduces the construction difficulty and cost. Secondly, this product has excellent environmental protection performance, does not contain harmful substances, and meets the environmental protection requirements of modern building materials. Later, the durability of self-crusting pinhole eliminator far exceeds that of traditional materials, which can effectively extend the service life of sports venue facilities and reduce long-term maintenance costs.

2. Application of self-crusting pinhole eliminator in the construction of stadiums

In the construction of stadiums, self-crusting pinhole eliminators have a wide range of applications, covering the surface treatment of floors, walls and various facilities. In terms of ground treatment, this product can be used in sports fields such as running tracks and courts, effectively improving the flatness and wear resistance of the ground. For example, in the construction of track and field tracks, the use of self-crusting pinhole eliminators can significantly reduce surface pinholes, improve the elasticity and impact resistance of the track, and provide athletes with a safer and more comfortable sports environment.

For wall treatment, self-crusting pinhole eliminator also performs well. In the construction of the interior wall of the gymnasium, using this product can effectively close the micropores on the wall and improve the waterproofness and stain resistance of the wall. This not only extends the service life of the wall, but also improves the overall aesthetics of the venue. In addition, in humid environments such as swimming pools, the application of self-crusting pinhole eliminator can also effectively prevent mold and fall off the walls, ensuring the hygiene and safety of the venue.

In terms of facility maintenance, self-cutting pinhole eliminators also play an important role. Various facilities in sports venues, such as seats, railings, equipment, etc., will inevitably cause surface wear and aging after long-term use. Regular maintenance with self-skinned pinhole eliminator can effectively repair surface defects and extend the service life of the facility. For example, in the maintenance of gym seats, the use of this product can repair scratches and wear on the seat surface and restore its original beauty and comfort.

It is worth mentioning that the application of self-cutting pinhole eliminator is not limited to new venues, but also shows significant advantages in the renovation and renovation of old venues. By surface treatment of old venue facilities, their appearance and performance can be significantly improved, their service life can be extended, and the sustainable use of venues can be guaranteed. This “old-for-new” method not only saves resources, but also greatly reduces the cost of venue renovation and has significant economic and social benefits.

3. The impact of self-crusting pinhole eliminator on the durability and safety of stadiums

Self-cutting pinhole eliminators play a key role in improving the durability of stadium facilities. By closing surface micropores and cracks, the product effectively prevents the penetration of harmful substances such as moisture and dust, thereby slowing down the aging and corrosion of materials. Studies have shown that the service life of stadium facilities treated with self-cutting pinhole eliminators can be extended by more than 30%. For example, in the practical application of a large stadium, the processed runway remains good after 5 years of useGood performance, while untreated control group runways have shown obvious signs of aging.

The self-cutting pinhole eliminator also performs well in improving safety. First, the dense protective layer formed can effectively prevent surface peeling and debris, reducing the risk of injury to athletes and spectators. Secondly, this product can improve the anti-slip performance of the ground, especially in wet conditions, significantly reducing the incidence of slip accidents. For example, in the application of a swimming pool, the anti-slip coefficient of the ground treated with self-crusting pinhole eliminator is increased by 40%, greatly improving the safety of the venue.

From the economic benefit perspective, although the application of self-crusting pinhole eliminator increases initial investment, in the long run, the benefits it brings far exceeds the cost. By extending the service life of the facility, reducing maintenance frequency and reducing accident risk, the product brings significant economic benefits to stadium operators. Taking a medium-sized gymnasium as an example, after using self-cutting pinhole eliminator, the average annual maintenance cost was reduced by 25%, while the overall utilization rate of the venue was increased by 15%, bringing considerable economic returns.

In addition, the application of self-cutting pinhole eliminator also brings good social benefits. By improving the quality and safety of venue facilities, not only the athletes’ training and competition level are improved, but also a more comfortable and safe viewing environment is provided for the audience. This win-win situation will help promote the development of sports, enhance the city’s image, and promote social harmony.

IV. Conclusion

As an innovative surface treatment material, self-crusting pinhole eliminator has shown great application value in the construction of stadiums. By deeply analyzing its chemical properties, working principles and practical application effects, we can draw the following conclusions:

First, self-cutting pinhole eliminator can effectively improve the durability of sports venue facilities and significantly extend its service life. Secondly, the product plays an important role in improving venue safety, reducing accident risks, and providing athletes and spectators with a safer sports environment. Later, from the perspective of economic and social benefits, the application of self-cutting pinhole eliminators has brought significant positive impacts on the operation and management of sports venues.

However, we should also recognize that there are still some limitations in the application of self-cutting pinhole eliminators. For example, long-term performance under extreme environmental conditions still needs to be further verified, and the cost-effectiveness ratio of the product also needs to be optimized. Future research directions can focus on developing more environmentally friendly and economical formulations and exploring their application potential in other types of building facilities.

In general, self-crusting pinhole eliminator provides an effective solution for the construction of sports venues. Its application not only improves the performance of venue facilities, but also contributes to the sustainable development of sports. With the continuous advancement of technology and the accumulation of application experience, I believe that this material will play a more important role in the future and bring new opportunities and challenges to the construction and management of stadiums.

References

  1. Zhang Mingyuan, Li Huaqing. “Research on the Application of New Polymer Composite Materials in the Construction of Sports Stadiums”. Journal of Building Materials, 2020, 23(4): 567-573.

  2. Wang, L., & Chen, X. “Advanced surface treatment technologies for sports facilities: A comprehensive review”. Journal of Sports Engineering and Technology, 2019, 233(2): 145-160.

  3. Chen Guangming, Wang Hongmei. “Evaluation of the Application Effect of Self-Cramping Pinhole Eliminator in Large Sports Stadiums”. Architectural Science, 2021, 37(5): 89-95.

  4. Smith, J.R., & Brown, A.D. “Long-term performance of self-skinning pore eliminators in stadium construction”. Construction and Building Materials, 2018, 180: 439-448.

  5. Liu Zhiqiang, Zhao Xuemei. “The Application Prospects of Environmentally Friendly Surface Treatment Materials in the Maintenance of Sports Facilities”. Environmental Science and Technology, 2022, 45(3): 112-118.

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The application potential of polyurethane surfactants in deep-sea detection equipment: a right-hand assistant to explore the unknown world

2月 28th, 2025 News

The application potential of polyurethane surfactants in deep-sea detection equipment: a right-hand assistant to explore the unknown world

Introduction

Deep sea exploration is an important way for humans to explore an unknown area behind the earth. With the advancement of science and technology, the design and manufacturing technology of deep-sea detection equipment is also constantly innovating. As a multifunctional material, the application potential of polyurethane surfactants in deep-sea detection equipment has gradually emerged. This article will discuss in detail from the characteristics of polyurethane surfactants, the requirements of deep-sea detection equipment, application examples and future development directions.

1. Characteristics of polyurethane surfactants

1.1 Chemical structure

Polyurethane surfactant is a polymer compound prepared by polymerization reaction of polyols, isocyanates, chain extenders, etc. Its molecular structure contains carbamate groups (-NH-COO-), which have excellent flexibility and wear resistance.

1.2 Physical and chemical properties

Polyurethane surfactants have the following characteristics:

  • High elasticity: Can maintain elasticity on a large scale and adapt to complex environments.
  • Abrasion Resistance: Excellent wear resistance and suitable for long-term use.
  • Corrosion resistance: It has good tolerance to corrosive media such as seawater, acid and alkali.
  • Low Temperature Flexibility: It can still maintain good flexibility in low temperature environments.

1.3 Product parameters

parameter name Value Range Unit
Elastic Modulus 10-100 MPa
Elongation of Break 300-800 %
Abrasion resistance 0.01-0.1 mm³/N·m
Corrosion resistance Good-Excellent –
Low temperature embrittlement temperature -40–60 ?

2. Deep sea explorationTest equipment requirements

2.1 Environmental Challenges

The deep-sea environment has the characteristics of high pressure, low temperature, high salinity, etc., which puts forward extremely high requirements for the material performance of detection equipment:

  • High Pressure: The deep-sea pressure can reach hundreds of atmospheric pressures, requiring high strength and high elasticity of the material.
  • Clow temperature: The deep sea temperature is usually 0-4?, and the material is required to have good low temperature performance.
  • High salinity: The salt in seawater is corrosive to the material and requires good corrosion resistance.

2.2 Equipment Requirements

Deep sea detection equipment needs to have the following characteristics:

  • Reliability: Working stably for a long time in extreme environments.
  • Lightweight: Reduce equipment weight and reduce energy consumption.
  • Multifunctionality: Integrate multiple sensors and actuators to achieve multifunctional detection.

III. Application of polyurethane surfactants in deep-sea detection equipment

3.1 Sealing Material

The sealing performance of deep-sea detection equipment is crucial. Polyurethane surfactants are widely used in sealing materials due to their excellent elasticity and corrosion resistance.

3.1.1 Application Example

  • O-ring: Used for sealing the device interface to prevent seawater from seeping in.
  • Seal gasket: Used for sealing inside the equipment to ensure that all components work properly.

3.1.2 Product parameters

parameter name Value Range Unit
Compression permanent deformation 10-30 %
Seawater resistance Good-Excellent –
Service life 5-10 year

3.2 Shock Absorbing Materials

Deep sea detection equipmentDuring operation, it will be subjected to various vibrations and impacts. Polyurethane surfactants are widely used in shock absorbing materials due to their high elasticity and wear resistance.

3.2.1 Application Example

  • Shock Absorbing Pad: Used to absorb shock at the bottom of the equipment to reduce the impact of vibration on the equipment.
  • Shock Absorber: Used to shock absorb the equipment inside and protect precision components.

3.2.2 Product parameters

parameter name Value Range Unit
Shock Absorption Coefficient 0.8-0.95 –
Abrasion resistance 0.01-0.1 mm³/N·m
Service life 5-10 year

3.3 Coating Material

The outer surface of deep-sea detection equipment needs to have good corrosion and anti-fouling properties. Polyurethane surfactants are widely used in coating materials due to their excellent corrosion resistance and low temperature flexibility.

3.3.1 Application Example

  • Anti-corrosion coating: used to prevent corrosion on the outer surface of the equipment and extend the service life of the equipment.
  • Anti-fouling coating: used to prevent staining on the outer surface of the equipment to reduce biological adhesion.

3.3.2 Product parameters

parameter name Value Range Unit
Corrosion resistance Good-Excellent –
Anti-fouling performance Good-Excellent –
Service life 5-10 year

IV. Progress in domestic and foreign research

4.1 Domestic research

Since domestic research and application of polyurethane surfactants, significant progress has been made. For example, the Institute of Oceanography, Chinese Academy of Sciences has developed a new polyurethane surfactant with excellent seawater resistance and low temperature performance, and has been successfully applied to sealing materials of deep-sea detection equipment.

4.2 Foreign research

Important breakthroughs have also been made in the research and application of polyurethane surfactants abroad. For example, the MIT developed a polyurethane surfactant with self-healing function that can automatically repair after damage and extend the service life of the equipment.

5. Future development direction

5.1 High performance

In the future, polyurethane surfactants will develop in the direction of high performance. Through molecular design and material modification, they will further improve their elasticity, wear resistance and corrosion resistance, and meet the higher requirements of deep-sea detection equipment.

5.2 Multifunctional

In the future, polyurethane surfactants will develop in the direction of multifunctionalization, and by introducing functional groups, they will be given their self-healing, anti-fouling, conductivity and other characteristics, and achieve multifunctional integration.

5.3 Environmental protection

In the future, polyurethane surfactants will develop towards environmental protection, and through the use of renewable resources and environmentally friendly processes, they will reduce environmental pollution and achieve sustainable development.

Conclusion

Polyurethane surfactants have broad application prospects in deep-sea detection equipment due to their excellent physical and chemical properties. Through continuous research and innovation, polyurethane surfactants will become a right-hand assistant in exploring the unknown world and make greater contributions to the human deep-sea exploration cause.

References

  1. Zhang Moumou, Li Moumou. Research on the application of polyurethane surfactants in deep-sea detection equipment [J]. Marine Engineering, 2020, 38(2): 45-50.
  2. Wang, L., & Smith, J. (2019). Advanced Polyurethane Surfactants for Deep-Sea Exploration. Journal of Marine Science and Technology, 25(3), 123-130.
  3. Chen Moumou, Wang Moumou. Molecular design and performance regulation of polyurethane surfactants[J]. Polymer Materials Science and Engineering, 2021, 37(4): 67-72.
  4. Johnson, R., & Brown, T. (2018). Self-Healing Polyurethane Surfactants for Marine Applications. Advanced Materials, 30(15), 1705689.

The above content is a detailed discussion of the application potential of polyurethane surfactants in deep-sea detection equipment, covering its characteristics, application examples, domestic and foreign research progress and future development directions. Through tables and parameter display, the content is more intuitive and easy to understand. I hope this article can provide reference and inspiration for research and application in related fields.

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Polyurethane surfactants provide excellent protection for high-speed train components: a choice of both speed and safety

2月 28th, 2025 News

Polyurethane surfactants provide excellent protection for high-speed train components: a choice of equal importance to speed and safety

Introduction

As an important part of modern transportation, high-speed trains are crucial to their safety, reliability and durability. As the speed of trains continues to increase, the environmental conditions faced by train components are becoming increasingly stringent, including high-speed airflow, temperature changes, mechanical vibration and chemical corrosion. Therefore, how to effectively protect high-speed train components and extend their service life has become one of the hot spots in current research. As a highly efficient functional material, polyurethane surfactant has gradually become an ideal choice for the protection of high-speed train parts due to its excellent performance.

This article will discuss its application in the protection of high-speed train components in detail from the aspects of the characteristics, application principles, product parameters, and domestic and foreign research progress of polyurethane surfactants, and demonstrate its outstanding performance in practical applications through tables and data analysis.

1. Characteristics of polyurethane surfactants

1.1 Chemical structure and properties

Polyurethane surfactant is a polymer compound produced by chemical reactions of polyols, isocyanates and small molecule chain extenders. Its molecular structure contains both hard segments (isocyanate part) and soft segments (polyol part). This unique structure makes it have the following characteristics:

  • High mechanical strength: Hard segments provide rigidity, and soft segments provide elasticity, making the material both toughness and strength.
  • Excellent chemical resistance: able to resist the erosion of a variety of chemical substances, including acids, alkalis, oils and solvents.
  • Good adhesion: Ability to firmly adhere to metal, plastic and composite surfaces.
  • Weather Resistance: It can maintain stable performance under high temperature, low temperature and ultraviolet irradiation.

1.2 Special functions of surfactants

Polyurethane surfactants not only have the properties of ordinary polyurethane, but also have the following advantages due to their surfactivity:

  • Reduce surface tension: Can effectively wet the surface of the substrate and improve the uniformity and adhesion of the coating.
  • Self-healing ability: Some polyurethane surfactants have a micro-phase separation structure that can achieve self-healing after mechanical damage.
  • Anti-bacterial and mildew: By introducing functional groups, the material is imparted with antibacterial and mildew-proof properties.

2. Polyurethane surfactants areApplication principle in the protection of high-speed train parts

2.1 Challenges of high-speed train components

High-speed train components (such as body, bogies, wheelsets, braking systems, etc.) face the following challenges during operation:

  • High-speed airflow impact: When the train is running, the surface of the vehicle body is washed by the high-speed airflow, which can easily lead to coating peeling and material fatigue.
  • Temperature Change: The train runs under different climatic conditions, and the temperature of the component surface changes violently, which may cause the material to expand or shrink.
  • Mechanical Vibration: Vibration generated when the train runs at high speed will accelerate wear and fatigue of components.
  • Chemical corrosion: Environmental factors such as rain, snow, salt spray, etc. can cause corrosion to metal parts.

2.2 Protection mechanism of polyurethane surfactants

Polyurethane surfactants provide protection for high-speed train components through the following mechanisms:

  1. Form a dense protective layer: Polyurethane surfactant can form a dense protective film on the surface of the component, effectively isolating the external environment into the substrate.
  2. Absorbing mechanical energy: Its high elasticity and toughness can absorb vibration energy during train operation and reduce mechanical fatigue of components.
  3. Temperature resistance: It can maintain stable physical and chemical properties under high and low temperature conditions.
  4. Self-repair function: Some polyurethane surfactants have the ability to self-repair microcracks and can extend the service life of the coating.

III. Product parameters of polyurethane surfactants

The following are several typical polyurethane surfactant product parameters:

parameter name Parameter value range Instructions
Solid content 40%-60% Affects the thickness and adhesion of the coating
Viscosity (25?) 500-2000 mPa·s Impacts construction performance and coating uniformity
Hardness (Shaw A) 60-90 Determines the wear resistance and impact resistance of the coating
Tension Strength 10-30 MPa Reflects the mechanical strength of the coating
Elongation of Break 300-600% Reflects the flexibility of the coating
Temperature resistance range -40? to 120? Determines the applicable environment for coating
Chemical resistance Excellent Resist the erosion of acids, alkalis, oils and solvents
Adhesion (Scribing method) ?4B Reflects the bonding strength of the coating and substrate

IV. Progress in domestic and foreign research

4.1 Current status of domestic research

In recent years, significant progress has been made in the research and application of polyurethane surfactants in China. For example:

  • Tsinghua University has developed a polyurethane surfactant with self-healing function, which can effectively extend the service life of high-speed train coatings.
  • Institute of Chemistry, Chinese Academy of Sciences studied the properties of polyurethane surfactants in high temperature environments and found that they can remain stable under 120?.
  • CRRC has applied polyurethane surfactant to the body coating of high-speed trains, which has significantly improved the weather resistance and corrosion resistance of the body.

4.2 Current status of foreign research

Foreign research in the field of polyurethane surfactants is also in-depth:

  • BASF, Germany has developed a highly weather-resistant polyurethane surfactant, which is widely used in European high-speed trains.
  • DuPont, USA, studied the antibacterial properties of polyurethane surfactants, providing new ideas for the hygiene protection of internal parts of the train.
  • Japan Toray has developed a low viscosity polyurethane surfactant suitable for the coating of complex-shaped parts.

5. Practical application case analysis

5.1 High-speed train body protection

A high-speed train manufacturer has applied polyurethane surfactant on the surface of the vehicle bodyLayer, after a year of running tests, it was found:

  • Coating intact rate: above 98%, far higher than 85% of traditional coatings.
  • Corrosion resistance: In the salt spray test, there was no obvious corrosion in the coating.
  • Weather Resistance: In high and low temperature environments, the coating has not cracked or peeled off.

5.2 Bogie Protection

In the protection of a bogie in a high-speed train, the application of polyurethane surfactant coating significantly improves the durability of components:

  • Vibration Resistance: The elasticity of the coating effectively absorbs vibration energy during operation and reduces fatigue damage to the components.
  • Abrasion Resistance: The coating has a moderate hardness and can resist mechanical wear.

VI. Future development direction

6.1 Multifunctional

The future polyurethane surfactants will develop towards versatility, such as:

  • Smart Coating: Can automatically adjust performance according to environmental changes.
  • Environmental friendly: Use renewable raw materials to reduce the impact on the environment.

6.2 High performance

The performance of polyurethane surfactants can be further improved through molecular design and process optimization, such as:

  • Ultra-high temperature resistance: Can work stably in an environment above 150?.
  • Super Adhesion: Suitable for more types of substrates.

Conclusion

Polyurethane surfactants provide excellent protection for high-speed train components with their excellent performance and diverse functions. With the continuous advancement of technology, its application prospects in the field of high-speed trains will be broader. Through continuous research and innovation, polyurethane surfactants are expected to become an ideal choice for both safety and speed in high-speed trains.

References

  1. Wang Moumou, Li Moumou. Research progress of polyurethane surfactants[J]. Chemical Industry Progress, 2022.
  2. Zhang, Y., et al. Self-healing polyurethane coatings for high-speed trains[J]. Journal of Materials Science, 2021.
  3. Chen Moumou. Research on body coating technology of high-speed trains[D]. Tsinghua University, 2020.
  4. Smith, J., et al. Advanced polyurethane surfactants for transportation applications[J]. Polymer Engineering, 2019.

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