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Properties and applications of polyurethane materials
- 2020-02-20 17:07:16
- admin
Material property (pu for short) is divided into: Pouring polyurethane elastomer (CPU for short) is one of the most widely used polyurethane elastomers with the largest yield. Thermoplastic polyurethane elastomer (TPU) -- thermoplastic polyurethane elastomer accounts for about 25% of the total amount of polyurethane.Mixed polyurethane elastomer (MPU) - accounts for about 10% of the total amount of...
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Polyurethane and general epoxy products application
- 2020-02-20 16:59:53
- admin
Polyurethane and general epoxy products application The use of the two products requires strengthened compressive tensile cement floors or floors and drainage ditches that are resistant to corrosion by strong acids and alkalis, such as chemicals, metallurgical plants, electroplating plants, power plants, pharmaceutical plants, PCB circuit board plants, paper mills, Hardware factory, printing and d...
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Water-based polyurethane paper coating
- 2020-02-20 16:52:54
- admin
1.Paper-based coating resins have been switched from natural water-based resins such as celluloses to synthetic resin emulsions such as carboxystyrene butadiene emulsions, polyvinyl acetate emulsions, and acrylic emulsions, among which acrylic emulsions have more excellent properties.However, the above resins are still difficult to meet the higher requirements for the development of coated paper. ...
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Water based polyurethane glass fiber sizing agent(Cluster agent)
- 2020-02-20 16:43:01
- admin
Glass fiber is an important reinforcing material for the manufacture of fiber reinforced plastics (FRP), and is also used for weaving high temperature resistant fiber cloth.But the glass fiber that has not been treated is brittle, easy to take static electricity after friction, and the surface is smooth, when making the reinforcing material of the resin is not easy to stick with the resin.In the m...
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Introduction and application field of waterborne polyurethane waterproof coating
- 2020-02-20 16:40:14
- admin
Environmentally friendly water-based polyurethane waterproof coating is two-component,The component A is an isocyanate-terminated prepolymer obtained by polycondensation of polyether and isocyanate, and the component B is a colored liquid composed of a plasticizer, a curing agent, a thickener, a coagulant, and a filler.After use, the two components of methyl and ethyl are evenly mixed according to...
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Sinograce Chemical wish you a happy New Year
- 2020-01-13 14:47:42
- admin
Thank you for the New Year gift of our company. In the New Year, we hope to make our products better and serve our customers better,Hope the performance increase day! Sinograce Chemical wish you a happy New Year!
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Application of polyurethane ink resin
- 2020-02-20 15:03:33
- admin
The choice of solvent In the printing ink manufacturing process, in consideration of the overall solvent system of the ink volatility, to improve the printing ink solvent release and reduce the solvent organic solvent residue, the use of solvents are often several volatile mixed solvents.In the printing ink manufacturing process, the main organic solvents are toluene, butanone, cyclohexanone, ethy...
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Common problems and solutions in the construction of polyurethane waterproof coating
- 2020-02-20 13:53:44
- admin
In polyurethane waterproof coating construction often encounter some problems, so in the process of waterproof construction encountered different problems how to solve it?sinograce waterproof with you to learn the following, polyurethane waterproof coating construction common problems and solutions. 1. viscosity (1) coating itself viscosity is very large, construction effort. (2) if the client app...
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Application of two - component waterborne polyurethane
- 2020-02-19 17:47:16
- admin
At present, two-component waterborne polyurethane has been widely used in leather, textile dyeing AIDS, adhesives, foam materials, coatings and other fields. With the continuous development of two-component waterborne polyurethane scientific research, it is gradually replacing solvent polyurethane as the medium to occupy the dominant position in the market. One: leather China's leather resources, ...
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Silicone - acrylic resin modified waterborne polyurethane
- 2020-04-08 16:03:24
- admin
1.Introduction to silicone acrylic emulsion Silicon-acrylic emulsion is a kind of composite emulsion. It is a copolymer emulsion of organosilicone and acrylate.Acrylic resin has many excellent characteristics, such as weather resistance and light resistance, long time under ultraviolet irradiation is not easy to yellow。In addition, it also has flexibility, so it is often used as a leather finishin...
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What are the characteristics of polyurethane condoms?
- 2020-11-02 11:10:18
- admin
Anhui Sinograce Chemical Co., Ltd Polyurethane condoms, known as condoms, are made of polyurethane condoms, similar to latex condoms. Polyurethane was applied to condom production in Japan, until the emergence of China's Nakagawa 001, which broke Japan's monopoly on the production field. Because the common latex condoms on the market are thicker and polyurethane has good ...
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Choosing of adhesive type
- 2021-12-07 14:24:57
- admin
1.Principles of adhesive selection Consider the type, nature and hardness of the bonding material Consider the shape, structure and process conditions of the bonding material Consider the load and form (tensile force, shear force, peel force, etc.) borne by the bonding part; consider the special requirements of materials such as high temperature and low temperature resistance. 2.Properties of bond...
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Automotive interior adhesive ------- water-based polyurethane adhesive
- 2021-12-13 16:06:23
- admin
Automotive interior adhesive is a anionic waterborne polyurethane emulsion developed and produced by ourselves, which belongs to environmental protection waterborne polyurethane adhesive. Appearance Dark grey liquid Solid content(% ) 50±1 PH 6-9 softening point(℃) 45-55℃ Proportion(g/cm3) 1.06±0.02 viscosity(mPa.s) 1000-2000(Viscosity can be adjusted) Application Area Automobile interior adhesive ...
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Overview of waterborne polyurethane coating
- 2022-01-06 15:49:12
- admin
According to the current development trend of waterborne polyurethane coating, green polyurethane coating technology is mainly divided into two categories: waterborne polyurethane coating and solvent-free polyurethane coating.Among them, solvent-free polyurethane coating mainly contains polyurethane hot melt adhesive coating and light curing polyurethane coating.Waterborne polyurethane (WPU) is a ...
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Application of polyurethane ink resin
- 2022-01-13 17:38:36
- admin
Solvent selection In the printing ink manufacturing process, considering the overall solvent system of the volatile ladder, improve the printing ink solvent release and reduce printing solvent organic solvent residue, the solvent used is often a mixture of several volatile solvents. In the printing ink manufacturing process, the main organic solvents are toluene butyl ketone cyclohexanone ethyl ac...
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The application of waterborne polyurethane in the finishing of fabric
- 2022-01-24 17:47:58
- admin
Cotton fabric is loved by everyone because of its good application characteristics such as soft touch, comfortable wear, moisture absorption and air permeability, but it also has defects such as poor elasticity and wrinkling after washing.In order to improve the shape retention of cotton fabric and to make it easy to maintain, it is usually treated with a hands-off finish.Etherified 2D resin finis...