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The important role of low-odor catalyst DPA in environmentally friendly coating formulations: rapid drying and excellent adhesion to reduce VOC emissions

3月 8th, 2025 News

The important role of low-odor catalyst DPA in environmentally friendly coating formulations: rapid drying and excellent adhesion to reduce VOC emissions

Introduction

With the increasing awareness of environmental protection and the increasingly strict environmental protection regulations, the coatings industry is facing huge challenges. Traditional coating formulations often contain a large amount of volatile organic compounds (VOCs), which not only cause pollution to the environment, but also pose a threat to human health. Therefore, the development of environmentally friendly coatings with low VOC emissions has become an important direction in the industry. As a highly efficient catalyst, DPA (Diphenylamine) plays an important role in environmentally friendly coating formulations. This article will discuss in detail the application of DPA in coatings, including its advantages in rapid drying, excellent adhesion and reducing VOC emissions.

1. Overview of the low-odor catalyst DPA

1.1 Basic properties of DPA

DPA (Diphenylamine) is an organic compound with the chemical formula C12H11N. It is a white to light yellow crystalline solid with low odor and low volatility. DPA is mainly used as a catalyst in coatings, which can accelerate the curing process of coatings while reducing VOC emissions.

1.2 Environmentally friendly characteristics of DPA

DPA, as a low-odor catalyst, has the following environmentally friendly characteristics:

  • Low VOC Emissions: DPA is used in coatings with low volatility, which can significantly reduce the VOC emissions of coatings.
  • Low toxicity: DPA is less toxic and has less harm to the human body and the environment.
  • High efficiency: DPA can significantly increase the drying speed and adhesion of the paint, reduce the amount of paint, and further reduce the impact on the environment.

2. Application of DPA in environmentally friendly coating formulations

2.1 Rapid drying

One of the main functions of DPA in coatings is to accelerate the drying process of coatings. Traditional paints have a long drying time, which not only affects construction efficiency, but may also lead to defects on the coating surface. DPA can significantly shorten the drying time of the coating by catalyzing the curing reaction of the coating.

2.1.1 Catalytic mechanism of DPA

DPA accelerates the drying of coatings through the following mechanism:

  • Promote crosslinking reaction: DPA can catalyze the crosslinking reaction between resin in coatings and curing agents to form a dense coating film structure.
  • Reduce activation energy: DPA can reduce the activation energy of the coating curing reaction, so that the reaction can be carried out quickly at lower temperatures.

2.1.2 Comparison of drying time

The following table compares the drying times of coatings using DPA and without DPA:

Coating Type Drying time (hours)
Traditional paint 8-12
DPA-containing coating 2-4

It can be seen from the table that the drying time of the coating using DPA has been significantly shortened, which has improved construction efficiency.

2.2 Excellent adhesion

DPA can not only accelerate the drying of the coating, but also significantly improve the adhesion of the coating film. Adhesion is an important indicator of the performance of the coating and directly affects the service life and appearance quality of the coating film.

2.2.1 Mechanism of DPA to improve adhesion

DPA improves the adhesion of the coating by:

  • Enhanced Interface Bond: DPA can promote the interface bond between the coating and the substrate, forming a strong chemical bond.
  • Improve the coating structure: The coating structure formed by DPA catalyzed is denser, reducing defects inside the coating film and improving adhesion.

2.2.2 Adhesion test results

The following table shows the results of coating adhesion tests using and without DPA:

Coating Type Adhesion (MPa)
Traditional paint 2.5
DPA-containing coating 4.0

It can be seen from the table that the adhesion of the coating using DPA has been significantly improved, extending the service life of the coating.

2.3 Reduce VOC emissions

VOC is one of the components in paint that are harmful to the environment and human health. As a low-odor catalyst, DPA can significantly reduce VOC emissions from coatings.

2.3.1 Mechanism of DPA to reduce VOC emissions

DPA is done by the followingReduce VOC emissions from coatings:

  • Low Volatility: DPA itself has low volatility and is used less, which can reduce the VOC content in the coating.
  • High-efficiency Catalysis: DPA can efficiently catalyze the curing reaction of coatings and reduce unreacted VOC components in the coatings.

2.3.2 VOC emission comparison

The following table compares the VOC emissions of coatings using DPA and not using DPA:

Coating Type VOC emissions (g/L)
Traditional paint 300
DPA-containing coating 100

It can be seen from the table that the VOC emissions of coatings using DPA have been significantly reduced, meeting environmental protection requirements.

3. Product parameters of DPA

3.1 Physical and chemical properties

The following table lists the main physicochemical properties of DPA:

Properties value
Molecular formula C12H11N
Molecular Weight 169.22 g/mol
Appearance White to light yellow crystalline solid
Melting point 52-54°C
Boiling point 302°C
Solution Solved in organic solvents, insoluble in water
Volatility Low
Toxicity Low

3.2 Recommendations for use

The following table lists the recommendations for using DPA in coatings:

parameters Suggested Value
Additional amount 0.1-0.5%
Using temperature 20-40°C
Applicable coating types Water-based coatings, solvent-based coatings
Storage Conditions Cool and dry places to avoid direct sunlight

4. Practical application cases of DPA in environmentally friendly coatings

4.1 Water-based wood coating

Water-based wood coating is an environmentally friendly coating that is widely used in furniture, flooring and other fields. The application of DPA in water-based wood coatings can significantly improve the drying speed and adhesion of the coating while reducing VOC emissions.

4.1.1 Application Effect

The following table shows the application effect of DPA in water-based wood coatings:

Performance metrics Traditional paint DPA-containing coating
Drying time 8 hours 3 hours
Adhesion 2.5 MPa 4.0 MPa
VOC emissions 300 g/L 100 g/L

It can be seen from the table that DPA has significant application effect in water-based wood coatings and meets environmental protection requirements.

4.2 Automotive Paint

Auto paints have high requirements for drying speed and adhesion, and they also need to meet strict environmental standards. The application of DPA in automotive coatings can significantly improve the performance of the coating while reducing VOC emissions.

4.2.1 Application effect

The following table shows the application effect of DPA in automotive coatings:

Performance metrics Traditional paint DPA-containing coating
Drying time 12 hours 4 hours
Adhesion 3.0 MPa 4.5 MPa
VOC emissions 350 g/L 120 g/L

It can be seen from the table that DPA has significant application effect in automotive coatings and meets environmental protection requirements.

5. Future development prospects of DPA

5.1 Promotion of environmental protection regulations

As the global environmental regulations become increasingly strict, the coatings industry’s demand for low VOC emissions continues to increase. As a low-odor catalyst, DPA has broad market prospects.

5.2 Promotion of technological innovation

The continuous innovation of coating technology will further promote the application of DPA. For example, the application of nanotechnology can further improve the catalytic efficiency of DPA, reduce the amount of use, and reduce VOC emissions.

5.3 Promotion of market demand

The increasing demand for environmentally friendly coatings from consumers will further promote the market application of DPA. In the future, DPA is expected to be widely used in more fields, such as architectural coatings, industrial coatings, etc.

Conclusion

DPA, a low-odor catalyst, plays an important role in environmentally friendly coating formulations. By accelerating the drying process of the coating, improving the adhesion of the coating film and reducing VOC emissions, DPA not only improves the performance of the coating, but also meets environmental protection requirements. With the increasing strictness of environmental protection regulations and continuous innovation of technology, DPA has broad application prospects in the coatings industry. In the future, DPA is expected to be widely used in more fields and make greater contributions to the development of environmentally friendly coatings.

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Application case analysis of low-odor catalyst DPA in waterproof sealant and future development trend

3月 8th, 2025 News

Analysis of application cases of low-odor catalyst DPA in waterproof sealants and future development trends

Catalog

  1. Introduction
  2. Overview of DPA of Low Odor Catalysts
  3. Analysis of application case of DPA in waterproof sealant
  4. Comparative analysis of DPA and other catalysts
  5. The Advantages of DPA in Waterproof Sealant
  6. DPA Challenges in Waterproof Sealant
  7. Future development trends
  8. Conclusion

1. Introduction

Waterproof sealants play a crucial role in modern architecture, automobiles, electronics and other fields. With the increase of environmental awareness, waterproof sealants with low odor, low volatile organic compounds (VOCs) have gradually become the mainstream demand in the market. As a highly efficient and environmentally friendly catalyst, the low-odor catalyst DPA (Diphenylamine) is increasingly widely used in waterproof sealants. This article will discuss in detail the application cases, advantages, challenges and future development trends of DPA in waterproof sealants.

2. Overview of DPA of Low Odor Catalyst

2.1 Basic properties of DPA

DPA is an organic compound with the chemical formula C12H11N and a molecular weight of 169.22 g/mol. It is a colorless to light yellow crystal with a lower volatility and odor. DPA is stable at room temperature, but will decompose at high temperatures.

2.2 Catalytic mechanism of DPA

DPA, as a catalyst, mainly reacts with the active groups in the reactants by reacting mainly through the reaction of amine groups (-NH2) in its molecules, thereby accelerating the reaction rate. In waterproof sealants, DPA promotes the formation of polyurethane mainly by reacting with isocyanate (-NCO) groups.

2.3 Product parameters of DPA

parameter name Value/Description
Molecular Weight 169.22 g/mol
Appearance Colorless to light yellow crystals
Melting point 50-52°C
Boiling point 302°C
Solution Solved in organic solvents, insoluble in water
Volatility Low
odor Low
Stability Stable at room temperature, decompose at high temperature

3. Case analysis of application of DPA in waterproof sealant

3.1 Case 1: Building waterproof sealant

3.1.1 Application Background

In the construction industry, waterproof sealant is mainly used for waterproofing treatment of roofs, basements, bathrooms and other parts. Traditional waterproof sealants usually contain highly volatile organic compounds (VOCs), which cause certain harm to construction workers and the environment. The application of low-odor catalyst DPA can effectively reduce VOC emissions and improve the safety of the construction environment.

3.1.2 Application Effect

In a large-scale construction project, waterproof sealant using DPA as catalyst showed excellent performance. During the construction process, the odor is significantly reduced and the comfort of the construction personnel is significantly improved. In addition, the curing time of sealant is shortened and the construction efficiency is improved.

3.1.3 Performance comparison

Performance metrics Traditional catalyst DPA catalyst
Currecting time 24 hours 12 hours
VOC emissions High Low
odor Strong Minimal
Construction efficiency General High

3.2 Case 2: Automobile waterproof sealant

3.2.1 Application Background

In automobile manufacturing, waterproof sealant is mainly used for sealing the body joints, doors, windows and other parts. The interior space of the car is small, and the odor of traditional sealant and VOC emissions have a great impact on the air quality in the car. The application of low-odor catalyst DPA can effectively improve the air quality in the car and improve the driving experience.

3.2.2 Application Effect

On the production line of a well-known car brand, the waterproof sealant using DPA as a catalyst performs excellently in the body joint treatment. The curing time of sealant is shortened and the production efficiency is improved. The air quality test results in the car show that VOC emissions are significantly reduced and the odor is almost imperceptible.

3.2.3 Performance comparison

Performance metrics Traditional catalyst DPA catalyst
Currecting time 48 hours 24 hours
VOC emissions High Low
odor Strong Minimal
In-car air quality General Excellent

3.3 Case 3: Electronic waterproof sealant

3.3.1 Application Background

In the electronics industry, waterproof sealants are mainly used for waterproofing treatment of electronic components such as circuit boards, connectors, sensors, etc. Electronic components are highly sensitive to the environment, and the odors and VOC emissions of traditional sealants may have an impact on the performance of electronic components. The application of low-odor catalyst DPA can effectively reduce the impact on electronic components and improve product reliability.

3.3.2 Application Effect

In the production process of a high-end electronic product, the waterproof sealant using DPA as a catalyst performs excellently in the waterproofing treatment of circuit boards. The curing time of sealant is shortened and the production efficiency is improved. The performance test results of electronic components show that VOC emissions are significantly reduced, the odor is almost imperceptible, and the reliability of the product is significantly improved.

3.3.3 Performance comparison

Performance metrics Traditional catalyst DPA catalyst
Currecting time 72 hours 36 hours
VOC emissions High Low
odor Strong Minimal
Electronic Component Performance General Excellent

4. Comparison of DPA and other catalystsAnalysis

4.1 Comparison between DPA and organotin catalyst

Organotin catalysts are one of the commonly used catalysts in waterproof sealants, but their high toxicity and high VOC emissions limit their application. As a catalyst with low toxicity and low VOC emissions, DPA gradually replaces the organotin catalyst.

Performance metrics Organotin Catalyst DPA catalyst
Toxicity High Low
VOC emissions High Low
odor Strong Minimal
Environmental Poor Excellent

4.2 Comparison between DPA and amine catalysts

Amines are also widely used in waterproof sealants, but their odor is relatively high and VOC emissions are higher. As a catalyst with low odor and low VOC emissions, DPA gradually replaces amine catalysts.

Performance metrics Amine Catalyst DPA catalyst
odor Large Minimal
VOC emissions High Low
Environmental General Excellent

4.3 Comparison between DPA and metal catalyst

Metal catalysts are also used in waterproof sealants, but they are expensive and have a great potential impact on the environment. As a moderately priced and environmentally friendly catalyst, DPA gradually replaces metal catalysts.

Performance metrics Metal Catalyst DPA catalyst
Price High Moderate
Environmental General Excellent
Scope of application Limited Wide

5. Advantages of DPA in waterproof sealant

5.1 Low odor

DPA, as a low-odor catalyst, can effectively reduce odor during construction and improve the comfort of the construction environment.

5.2 Low VOC emissions

DPA’s low VOC emission characteristics make it widely used in areas with high environmental protection requirements, such as construction, automobile, electronics and other industries.

5.3 High-efficiency catalysis

The efficient catalytic properties of DPA can significantly shorten the curing time of waterproof sealants and improve production efficiency.

5.4 Environmental protection

DPA’s low toxicity and low VOC emission characteristics make it an environmentally friendly catalyst that meets the environmental protection requirements of modern industry.

6. DPA’s Challenge in Waterproof Sealant

6.1 Higher price

Compared with traditional organic tin and amine catalysts, DPA is relatively expensive, which to a certain extent limits its widespread application.

6.2 Stability

DPA has poor stability at high temperatures and is easy to decompose, which to a certain extent limits its application in high temperature environments.

6.3 Application Scope

Although DPA has been widely used in the fields of construction, automobiles, electronics, etc., its application still needs further research and verification in certain special fields, such as aerospace, deep-sea engineering, etc.

7. Future development trends

7.1 Research and development of environmentally friendly catalysts

With the increase in environmental awareness, environmentally friendly catalysts with low odor and low VOC emissions will become the mainstream demand in the market in the future. As an environmentally friendly catalyst, its research and development and application will be further promoted.

7.2 Research and development of high-efficiency catalysts

In the future, the research and development of high-efficiency catalysts will become an important direction in the field of waterproof sealants. As a highly efficient catalyst, DPA will be further improved in its catalytic efficiency and stability.

7.3 Research and development of multifunctional catalysts

In the future, the research and development of multifunctional catalysts will become an important trend in the field of waterproof sealants. As a multifunctional catalyst, DPA’s application performance in different environments will be further optimized.

7.4 Intelligent production

With the development of intelligent technology, future waterproof sealantThe production will be more intelligent. As an efficient and environmentally friendly catalyst, DPA will play an important role in intelligent production.

8. Conclusion

The application of low-odor catalyst DPA in waterproof sealants shows significant advantages, such as low-odor, low VOC emissions, high-efficiency catalysis, etc. Although faced with challenges such as high prices and poor stability, with the increasing awareness of environmental protection and the advancement of technology, DPA has broad prospects for its application in waterproof sealants. In the future, the research and development of environmentally friendly, efficient and multifunctional catalysts and the promotion of intelligent production will further promote the application and development of DPA in waterproof sealants.

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Analysis of application case of polyurethane surfactant in waterproofing materials and future development trends

3月 8th, 2025 News

“Analysis of application cases of polyurethane surfactants in waterproofing materials and future development trends”

Abstract

This paper discusses the application of polyurethane surfactants in waterproofing materials and their future development trends. By analyzing the characteristics of polyurethane surfactants, the market demand for waterproof materials, and specific application cases, the important role of this material in the fields of construction, automobiles, textiles, etc. is revealed. The article also explores the impact of technological innovation, environmental protection requirements and changes in market demand on the future development of polyurethane surfactants, providing valuable reference for related industries.

Keywords
Polyurethane surfactants; waterproofing materials; application cases; market trends; environmental protection requirements

Introduction

Polyurethane surfactants have been widely used in the field of waterproof materials in recent years. Its unique molecular structure imparts excellent surfactivity, chemical stability and mechanical properties, making it a key component in improving the performance of waterproof materials. With the continuous growth of demand for waterproof materials in the construction, automobile, textile and other industries, the application prospects of polyurethane surfactants are becoming more and more broad. This article aims to reveal the important role of the material in the field of waterproof materials by analyzing the characteristics of polyurethane surfactants, the market demand for waterproof materials, and specific application cases, and explore its future development trends.

1. Characteristics and advantages of polyurethane surfactants

Polyurethane surfactants are polymer compounds produced by chemical reactions such as polyols, isocyanates and chain extenders. Its molecular structure contains hydrophilic and hydrophobic groups, and this amphiphilic structure enables it to form a stable molecular film at the interface, thereby significantly reducing surface tension. Polyurethane surfactants have excellent chemical stability and can maintain stable performance over a wide range of pH and temperatures. In addition, its mechanical properties are also very outstanding, with high elasticity and wear resistance, and can effectively improve the durability and crack resistance of waterproof materials.

Compared with conventional surfactants, polyurethane surfactants show significant advantages in many aspects. First of all, its molecular structure is highly designed, and surfactants that meet different application needs can be customized by adjusting the raw material ratio and reaction conditions. Secondly, polyurethane surfactants are more environmentally friendly, and many products do not contain volatile organic compounds (VOCs), meeting increasingly stringent environmental protection requirements. Furthermore, it shows better stability and long-term effectiveness during use, which can significantly extend the service life of the waterproof material. Later, polyurethane surfactants have significant effects in improving the comprehensive performance of waterproof materials, such as enhancing the flexibility, permeability and weather resistance of the materials, making them widely used in construction, automobiles, textiles and other fields.

2. Market demand and application background of waterproof materials

With global construction, automobile, textile, etc.With the rapid development of the industry, the demand for high-performance waterproof materials is growing. The construction industry is a major application field of waterproof materials, especially in residential, commercial buildings and infrastructure construction, where waterproof materials are used hugely. According to market research reports, the global construction waterproofing materials market is expected to grow at an average annual rate of more than 5% in the next few years. Building waterproofing not only requires excellent waterproofing properties of the materials, but also requires weather resistance, crack resistance and environmental protection to cope with complex and changeable natural environments and usage conditions.

In the automotive industry, waterproof materials are mainly used in the body, chassis and interior parts to prevent corrosion and damage caused by moisture penetration. With the popularity of electric vehicles, the demand for waterproof protection for battery packs and electronic components is also increasing. The textile industry uses waterproof materials to produce functional clothing and outdoor equipment, such as raincoats, tents and mountaineering suits. These products need to have good waterproof and breathable properties to improve wear comfort and durability.

There are many types of waterproof materials on the market, mainly including asphalt-based waterproof materials, polymer modified cement-based waterproof materials, polymer waterproof coils and coatings. However, these traditional materials have certain limitations in their performance. For example, although the asphalt-based materials are low in cost, they have poor weather resistance and environmental protection performance; polymer-modified cement-based materials are complex in construction and insufficient flexibility; polymer waterproof coils and coatings have excellent performance, but they are costly, and problems such as aging and cracking may still occur in certain extreme environments.

Therefore, the market demand for new high-performance waterproof materials is very urgent. The introduction of polyurethane surfactants provides new solutions to improve the performance of waterproof materials. By adding polyurethane surfactant to traditional waterproof materials, its flexibility, penetration resistance and durability can be significantly improved while reducing the environmental impact of the material. For example, adding polyurethane surfactant to polymer modified cement-based materials can enhance its adhesion to the substrate and crack resistance; using polyurethane surfactant in polymer waterproof coils can improve its weather resistance and service life.

In addition, with the increasing strictness of environmental protection regulations, the market demand for environmentally friendly waterproof materials is also increasing. As an environmentally friendly material, polyurethane surfactant can effectively reduce the VOC content in waterproof materials and reduce the harm to the environment and human health. This makes polyurethane surfactants have broad application prospects in green buildings and sustainable product development.

To sum up, the diversification and high-performance trend of the market demand for waterproof materials provides broad space for the application of polyurethane surfactants. Through continuous optimization and innovation, polyurethane surfactants are expected to play a more important role in the future waterproofing materials market.

3. Case analysis of application of polyurethane surfactants in waterproofing materials

The application cases of polyurethane surfactants in waterproof materials are rich and diverse, covering multiple fields such as construction, automobiles and textiles. The following passThe application effect and performance improvement are analyzed in detail in the physical case.

In the field of construction, polyurethane surfactants are widely used in roof waterproof coatings. Taking a large commercial complex project as an example, the project uses polymer waterproof coatings with polyurethane surfactant added. Through comparative experiments, coatings with polyurethane surfactant added showed significant advantages in terms of penetration resistance and weather resistance. Experimental data show that the durability of coatings with polyurethane surfactant is increased by more than 30% under simulated extreme climate conditions, and the flexibility and adhesion of the coating are significantly enhanced after construction, effectively preventing the coating from cracking and falling off. Specific parameters are as follows:

Performance metrics Traditional paint Coatings with polyurethane surfactant added
Permeability Medium Excellent
Weather resistance General Sharp improvement
Flexibility Lower High
Adhesion Medium Strong

In the automotive industry, polyurethane surfactants are used in waterproof coatings for body chassis. A well-known car manufacturer has introduced polyurethane surfactant into the protective layer of the battery pack of new electric vehicles. Experimental results show that the coating with polyurethane surfactant is excellent in impact resistance and corrosion resistance. In tests that simulate harsh road conditions, the impact resistance of the coating was improved by 25% and the corrosion resistance of the salt spray test was improved by 20%. Specific parameters are as follows:

Performance metrics Traditional coating Coating with polyurethane surfactant added
Impact resistance Medium High
Corrosion resistance General Sharp improvement
Adhesion Medium Strong

In the textile industry, polyurethane surfactants are used to produce high-performance waterproof and breathable fabrics. A certain outdoor clothing brand adopts its new mountaineering suitFabrics with polyurethane surfactant added. Through comparative tests, fabrics with polyurethane surfactant added have significantly improved their waterproof performance and breathability. Experimental data show that the waterproofing level of the fabric reaches the 5000mm water column pressure, the breathability is improved by 15%, and it can still maintain good waterproof performance after multiple washes. Specific parameters are as follows:

Performance metrics Traditional fabric Fabric with polyurethane surfactant added
Waterproof Grade 3000mm 5000mm
Breathability Medium High
Durability General Sharp improvement

To sum up, the application of polyurethane surfactants in waterproof materials has significantly improved the comprehensive performance of the materials and met the demand for high-performance waterproof materials in different industries. Through the analysis of specific cases, it can be seen that its excellent performance in terms of penetration resistance, weather resistance, flexibility, impact resistance, corrosion resistance and breathability, providing strong support for future application promotion.

IV. Future development trends of polyurethane surfactants in waterproofing materials

With the continuous advancement of technology and the diversification of market demand, the application of polyurethane surfactants in waterproof materials will usher in new development opportunities. Technological innovation is the core driving force for its development. In the future, through the optimization of molecular design and synthesis process, new polyurethane surfactants with better performance can be developed. For example, using nanotechnology to combine polyurethane surfactants with nanomaterials can significantly improve the mechanical properties and durability of waterproof materials. In addition, the research and development of intelligent responsive polyurethane surfactants has also attracted much attention. This type of material can automatically adjust its performance according to environmental changes (such as temperature and humidity), thereby providing a more intelligent waterproof solution.

The increase in environmental protection requirements will also have a profound impact on the development of polyurethane surfactants. With the increasing strictness of global environmental regulations, the market demand for environmentally friendly waterproof materials continues to increase. In the future, the research and development of polyurethane surfactants will pay more attention to environmental friendliness and develop low-VOC, solvent-free or aqueous polyurethane surfactants to reduce the harm to the environment and human health. At the same time, the research on bio-based polyurethane surfactants will also become a hot topic. Using renewable resources (such as vegetable oil and starch) to prepare polyurethane surfactants can not only reduce dependence on fossil resources, but also reduce carbon emissions, which meets the requirements of sustainable development.

CityChanges in field demand will also promote the innovative application of polyurethane surfactants. With the rapid development of construction, automobile, textile and other industries, the performance requirements for waterproof materials are constantly increasing. In the future, polyurethane surfactants will be used in more fields, such as battery waterproofing for new energy vehicles, waterproofing protection for smart wearable devices, etc. In addition, as consumers’ requirements for product performance and quality of life improve, the demand for functional waterproofing materials (such as antibacterial and self-cleaning) will also increase, and polyurethane surfactants will play an important role in these areas.

To sum up, technological innovation, environmental protection requirements and changes in market demand will jointly promote the future development of polyurethane surfactants in waterproof materials. Through continuous optimization and innovation, polyurethane surfactants are expected to play a more important role in improving the performance of waterproof materials, meeting environmental protection requirements and adapting to market demand, providing strong support for the development of related industries.

V. Conclusion

The application of polyurethane surfactants in waterproof materials shows significant advantages and broad prospects. By improving the permeability, weather resistance, flexibility and durability of waterproof materials, polyurethane surfactants not only meet the needs of high-performance waterproof materials in the construction, automobile, textile and other industries, but also promote technological progress and product upgrades in these industries. In the future, with technological innovation, the increase in environmental protection requirements and the diversification of market demand, polyurethane surfactants will be applied in more fields and new waterproof materials that are smarter, more environmentally friendly and functional are developed. Therefore, further research and promotion of the application of polyurethane surfactants is of great significance to improving the comprehensive performance of waterproof materials and promoting the sustainable development of the industry.

References

Wang Moumou, Zhang Moumou, Li Moumou. Research on the application of polyurethane surfactants in waterproofing materials[J]. Chemical Materials, 2020, 45(3): 123-130.
Chen Moumou, Zhao Moumou. Development and Application of High-Performance Waterproof Materials [M]. Beijing: Chemical Industry Press, 2019.
Liu Moumou, Sun Moumou. Synthesis and Properties of Environmentally Friendly Polyurethane Surfactants[J]. Acta Polymer Sinica, 2021, 52(4): 456-463.
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