Water-soluble polyurethane dispersion

Polyurethane (PU), whose full name is polyurethane, is a polymer compound. It was produced by Otto Bayer and others in 1937. Polyurethane has two categories: polyester type and polyether type. They can be made into polyurethane plastic (mainly foam), polyurethane fiber (called spandex in China), polyurethane rubber and elastomers.

Soft polyurethane mainly has a thermoplastic linear structure. It has better stability, chemical resistance, resilience and mechanical properties than PVC foam materials, and has less compression deformation. Good heat insulation, sound insulation, earthquake resistance and anti-virus performance. Therefore, it is used as packaging, sound insulation and filter material. Rigid polyurethane plastic is light in weight, excellent in sound insulation, heat insulation, chemical resistance, good electrical properties, easy to process, and low water absorption. It is mainly used as structural material for construction, automobile, aviation industry, and thermal insulation. The properties of polyurethane elastomer are between plastic and rubber, oil resistance, abrasion resistance, low temperature resistance, aging resistance, high hardness and elasticity. Mainly used in the shoe industry and medical industry. Polyurethane can also be used to make adhesives, coatings, synthetic leather, etc.

Polyurethane appeared in the 1930s. After nearly eighty years of technological development, this material has been widely used in the field of home furnishing, construction, daily necessities, transportation, and home appliances.

One-component waterborne polyurethane coating is a type of coating that uses waterborne polyurethane resin as the base material and water as the dispersion medium. The waterborne polyurethane coating modified by crosslinking has good storage stability, film mechanical properties, water resistance, solvent resistance and aging resistance, and has similar properties to traditional solvent-based polyurethane coatings. It should be used as an environmentally friendly polyurethane coating. One of the very important development directions. From the perspective of future development trends, polyurethane powder coatings have become one of the most mainstream development directions in the current coatings field, and their proportion in various powder coatings and even polyurethane coatings is increasing. For example, for the automotive coatings processing market, in the development of coating products, polyurethane powder coatings should be the best choice and development direction. At the same time, through technological innovation and research and development, research and development have good adaptability to low temperature environments and no volatility. A new generation of polyurethane powder coatings produced by by-products. This new type of powder coating has good similarities with two-component solvent-based polyurethane coatings in performance. It can be applied to the manufacturing and processing of new-generation automotive production line coatings, while ensuring coating performance. , Which reflects good environmental benefits and has very considerable comprehensive benefits

Our product RF-Y424 is water-borne aliphatic polyurethane dispersion, suitable for textile, leather and other industries, with good adhesion and flexibility.

• Excellent adhesion fastness and adhesion for synthetic fibers
• Resistant to yellowing and high gloss
• Delicate coating, soft feel and good elasticity
• Excellent chemical resistance and wear resistance
• Excellent scratch resistance

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