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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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Coating matting and matting agent types
- 2020-02-20 15:36:46
- admin
One, extinction principle General can be divided into physical extinction and chemical extinction.Physical matting, is the addition of matting agent, so that the coating in the film when the uneven surface, reduce reflection and achieve low gloss. Two, the kind of matting agent Coating common matting agent can be divided into organic matting agent and inorganic matting agent two categories. 1.Orga...
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Plastic printing products easy to produce the phenomenon and treatment
- 2020-02-20 15:58:38
- admin
1.The cause of a back adhesion: (1)the paste itself anti-viscosity, especially in the wet weather easy to stick back; (2)After the printing is completed, it is packaged without perfect heat treatment; (3)adjust the slurry formula is not appropriate, adding too much transparent slurry easy to cause back adhesion; (4)transport or storage conditions are not good, in high temperature, high humidity co...
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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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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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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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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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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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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...