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Carbodiimide as a Water Resistance Agent in Polymer Coatings
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Carbodiimide as a Water Resistance Agent in Polymer Coatings

Views: 129     Author: Site Editor     Publish Time: 2023-01-24      Origin: Site


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Carbodiimide, a versatile compound, has emerged as a highly effective water resistance agent in polymer coatings. With its unique properties and benefits, this compound has revolutionized the field of coating technology. In this article, we will explore the various advantages of using carbodiimide as a water resistance agent and delve into its wide-ranging applications.

Benefits of Carbodiimide as a Water Resistance Agent

Carbodiimide acts as a crosslinking agent, reacting with carboxylic acids present in the substrate rather than forming strong chemical bonds. When used as a coating, it generally exhibits polymerization, transforming the substrate from linear to network-like and creating a denser surface. This transformation contributes to its ability to resist water degradation and prevent water vapor intrusion.

One of the key benefits of carbodiimide is its exceptional ability to enhance the water resistance of polymer coatings. By creating a network-like structure within the coating, carbodiimide effectively repels water molecules and significantly improves resistance to water absorption. This results in a highly durable and long-lasting coated surface.

Moreover, carbodiimide offers excellent adhesion properties, allowing it to bond firmly with different types of polymers. This versatility makes it suitable for a wide range of applications, including automotive coatings, architectural coatings, and industrial coatings. Whether protecting vehicles from harsh weather conditions or safeguarding buildings against water damage, carbodiimide proves to be a reliable and efficient water resistance agent.

Furthermore, the applications of carbodiimide as a water resistance agent extend beyond coatings. It can also be used in the formulation of adhesives, sealants, and elastomers, providing enhanced resistance to moisture and environmental factors. This versatility makes carbodiimide a sought-after compound in various industries, where water resistance is crucial for product performance and longevity.

Applications of Carbodiimide Water Resistance Agent

Carbodiimide water resistance agent finds applications in various industries, thanks to its ability to enhance the water resistance properties of different materials. It is commonly used in the textile industry to treat fabrics and fibers. By acting as a crosslinking agent, carbodiimide forms bonds between individual fibers, making the fabric more resistant to water absorption. This is particularly important for outdoor clothing, swimwear, and upholstery.

In addition to textiles, carbodiimide is widely used in the production of coatings and paints. By incorporating this agent into coatings, manufacturers can improve the water resistance of surfaces, such as walls, floors, and furniture. This is beneficial in environments where moisture is a concern, such as bathrooms, kitchens, and outdoor structures. Carbodiimide water resistance agent enhances the durability of coatings and helps prevent water damage and mold growth.

Carbodiimide also finds application in the leather industry. By treating leather with carbodiimide water resistance agent, manufacturers can protect products such as shoes, bags, and furniture from water damage and stains. This is particularly important for outdoor leather products exposed to various weather conditions.


Carbodiimide is a highly useful water resistance agent with diverse benefits and applications. While it does not form strong chemical bonds with substrates, it reacts with carboxylic acids in the substrate to create a network-like structure, resulting in a denser and more water-resistant surface. Its exceptional water resistance properties make it valuable in coatings, adhesives, sealants, textiles, and leather products. By utilizing carbodiimide, industries can produce high-quality, water-resistant products that meet consumer demands and ensure durability and longevity.

Suzhou Ke Sheng Tong New Materials Technology Co., Ltd. was founded in 2016, headquartered in Suzhou, Jiangsu Province, as a high-tech growth enterprise.




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