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Knowledge of waterborne resin coatings

20

2020-12

Characteristics and use precautions of chromium-free passivator for aluminum alloys

The research and development of chromium-free passivator for aluminum alloy can be divided into three categories: inorganic salt passivation, organic passivation and organic-inorganic composite passivation. In previous studies, molybdate, which belongs to chromium, was used instead of chromate, and subsequently tungstate, rare earth salt and silicate were developed, but their corrosion resistance could not meet the requirements of practical applications. Subsequent research and development focus shifted to organic passivation with good corrosion resistance such as phytic acid and tannic acid. Although the organic passivation film has good corrosion resistance, the high temperature resistance and adhesion are not good, and the comprehensive performance evaluation is still not ideal. It is precisely because inorganic salt passivation and organic passivation are not satisfactory, more and more R & D workers believe that organic-inorganic

2020-12-20

Characteristics and use precautions of chromium-free passivator for aluminum alloys

23

2020-12

Some knowledge points of water-based baking varnish resin

Water-based baking paint resins are widely used as high weather-resistant decorative and high corrosion-resistant coatings. At present, PVDF and FEVE are mainly used in water-based baking varnish resins on industrial assembly lines. Fluorocarbon resins mainly use organic solvents as dispersion media, which will volatilize a large amount of solvents during production and use, causing pollution. As the country's requirements for environmental protection become more and more stringent, especially the introduction of the new environmental protection law, the consumption tax on coatings with volatile organic matter content greater than 420g/L under construction will exert greater pressure on low-profit enterprises. For the coatings industry, under more stringent environmental protection laws, there is an urgent need for environmentally friendly products

2020-12-23

Some knowledge points of water-based baking varnish resin

26

2020-12

Development Status of Waterborne Baking Paint Resin

With the enhancement of people's awareness of environmental protection, water-based paint resin has become an important direction of the development of coatings. It can not only reduce solvent emissions in production, but also simply adjust the construction viscosity more environmentally friendly. Among them, the water-based acrylic amino baking paint for glass bottles is a new and potential branch, and its development status is as follows:

2020-12-26

Development Status of Waterborne Baking Paint Resin

11

2021-01

Little common sense about water-based resin!

Water-based resin is a new type of resin system in which water replaces organic solvent as dispersion medium. It is fused with water to form a solution, and after the water is volatilized, a resin film material is formed. The water-based resin does not use the water-based resin itself, but requires a film material obtained after volatilization of water. Instead of solvent-based products in various fields of application. Waterborne polyurethane as the representative, can be widely used in coatings, adhesives, fabric coating and finishing agent, leather finishing agent, paper surface treatment agent and fiber surface treatment agent.

2021-01-11

Little common sense about water-based resin!

26

2021-01

How to choose water-based resin and production process!

In the leather processing and manufacturing industry, automotive interiors, many composite areas, such as environmental pressure, the use of oily products has been constrained, only the use of water-based products near the function to replace, so many enterprises began to search for their own water-based products. Water-based resins are widely used, including water-based coatings, water-based inks, textile finishing, water-based adhesives, etc. Although the water-based resin has many characteristics that can complement the performance of the microfiber, there are still many points and difficulties in the application process and the combination process, which need to be studied and solved.

2021-01-26

How to choose water-based resin and production process!

09

2021-02

What are the advantages of water-based acrylic resin?

Water-based acrylic resin coating is a kind of low pollution or even no pollution coating, is a kind of water-based coatings, in recent years, the development is very rapid, occupy a certain share in the market, its raw materials for water-based acrylic resin. Water-based acrylic emulsion is a water-based environmental protection products, non-toxic and harmless, is a very wide range of applications in pressure sensitive adhesive emulsion, as we are familiar with the tape, band-aid, infusion paste and other pressure sensitive adhesive products have applications.

2021-02-09

What are the advantages of water-based acrylic resin?
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