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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...
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SINOGRACE Chemical Co., Ltd. will hold the year-end summary meeting and annual convention
- 2022-01-28 16:31:10
- admin
On January 26, 2022, SINOGRACE Chemical Co., Ltd. will hold the year-end summary meeting and annual convention, and wish everyone a happy New Year.
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Effect of PCL on waterborne polyurethane
- 2022-02-10 13:48:34
- admin
PCL is a fully degradable polymer with good biocompatibility. When introduced into waterborne polyurethane, it can make waterborne polyurethane have shape memory.Shape memory waterborne polyurethane has attracted wide attention for its shape memory function, temperature sensitivity and moisture permeability. PCL3000 PCL4000 was used as the soft segment, and toluene diisocyanate was used as the har...
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Advantages and disadvantages of waterborne polyurethane in food and drug packaging
- 2022-07-09 16:45:49
- admin
Food packaging is divided into ordinary packaging and high-performance packaging, the corresponding waterborne polyurethane adhesive can be divided into four categories: general use, steaming boiling, transparent cooking, aluminum foil cooking.Usually such adhesives are two-component solvent-based polyurethane adhesives, the main agent is polyether or polyester polyol After the aromatic isocyanate...
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Applicationof waterborne polyurethane adhesive
- 2022-02-23 17:18:27
- admin
When waterborne polyurethane is used as adhesive, it must be mixed generally. Based on waterborne polyurethane, crosslinking agent, thickening agent, filler, plasticizer, pigment and other additives can be added. Other types of waterborne resin and water can be added.In order to obtain higher resistance to water Heat resistance and bonding strength, at present a lot of waterborne polyurethane syst...
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Advantages and disadvantages of waterborne polyurethane adhesives
- 2022-03-04 10:54:14
- admin
Waterborne polyurethane adhesive is a kind of high-grade adhesive, with excellent flexibility, impact resistance, chemical resistance and wear resistance, the most important is its low temperature resistance.It has adsorption and chemical bonding effect on many kinds of materials. It can not only bond porous materials, but also bond smooth surface materials. It is widely used. Polyurethane adhesiv...
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Application of waterborne polyurethane adhesive for printing
- 2022-03-18 18:02:55
- admin
The most important application indexes of water-based adhesives in the packaging and printing industry mainly include four aspects: bonding strength, high/low temperature resistance, moisture resistance and viscosity holding.In practical application, defects such as weak adhesion and brittle degumming film are basically caused by the above four application indicators are not up to standard.In prac...