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Water based polyurethane emulsion has soft properties, so that it has good adhesion when attached to the surface of the object; At the same time, it can maintain a certain strength and does not crack. It is especially suitable for articles in high temperature, humid and chemically corrosive environment. This substance also has superior wear resistance and film smoothness, so it can form a uniform ...
Waterborne Polyurethane (WPU) is a polyurethane system using water as a solvent or dispersion medium. In recent years, with the increasingly strict environmental regulations and the improvement of people's environmental awareness, waterborne polyurethane, as an environmentally friendly material, has received extensive attention and research. First, the characteristics of waterborne polyuretha...
In the process of UV flexographic printing, the viscosity of the ink is one of the key factors that affect the printing quality and effect. Choosing the right viscosity UV flexographic ink is crucial to ensure printing quality and efficiency. When adjusting viscosity, it is usually necessary to consider many factors such as printing equipment, printing materials, image details and the expected pri...
Before the textile coating, it is necessary to pretreat the textile surface to ensure the adhesion and quality of the coating. Common surface treatment methods are: cleaning, degreasing, polishing and so on. Cleaning can be done with hot water or solvents, degreasing can be done with alkaline or acid degreasing agents, and polishing is done by mechanical removal of surface hair. The choice of coat...
Compared with solvent-based acrylic paint, the paint made of water-based acrylic resin has the advantages of stability, safe use, environmental protection, reducing environmental pollution and saving resources! At present, it has become an important development direction of the coating industry. The coating using water-based acrylic resin is a low-pollution or even pollution-free environmental pro...
Polyurethane coating film bright and full, hard wear-resistant, oil, acid, chemical and industrial waste gas resistance, good electrical properties, and a variety of resin miscible, can be adjusted in a wide range of formulations to meet different needs. Widely used in wood, automobile, aircraft, machinery, electrical appliances, instruments, plastics, leather, paper, fabric, petrochemical an...
Roofing decoration materials in the color stone metal tile is how to perform well in waterproof performance Why is the waterproof performance so good? Material characteristics Colored stone metal tile using aluminum-plated zinc steel plate as the base, this material has excellent anti-corrosion properties, can effectively resist the erosion of the external environment. At the same time, the acryli...
Aqueous acrylic emulsion is a kind of chemical raw material with strong function and excellent performance, which is widely used in many fields such as coating, ink, textile, papermaking and waterproofing. This emulsion is mainly composed of pure acrylic monomer, which is prepared by precise copolymerization, and its non-toxic and pollution-free characteristics make it popular. I.Physica...
(1)Paint for transportation vehicles cars, ships, aircraft and other transportation vehicles, in addition to meet the requirements of gloss, friction resistance, adhesion, etc., due to its special frequency of use and environment, the waterproof performance of waterborne polyurethane coatings used is also put forward high requirements. The water-based polyurethane waterproof coating referred to he...
01 Conditions for film formation Stowing operation The water evaporates, and the particles are close to each other to achieve a dense charging state Fusion process The surface layer of the particles is destroyed, and the particles are in contact with each other. Diffusion process The molecular chains between the dispersion particles are diffused with each other to form a homogeneous film with cert...
As for the performance difference between water-based acrylic acid and water-based polyurethane, it can be briefly analyzed from the following aspects: 1.Chemical structure: Waterborne acrylic resin is mainly composed of acrylic monomer, while waterborne polyurethane resin is composed of isocyanate monomer and polyether or polyester polymer. 2.Performance characteristics: Water-based acrylic resin...
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