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Wood coating process
- 2020-02-21 15:31:03
- admin
Wood coating process 1.There are many large holes in the hard wood, putty or hole adding agent to flatten; 2.Apply closing primer after hole filling; 3.If you need to deepen the surface texture of the wood and highlight the wood grain, you can apply the closed primer and apply the water color; 4.After conditioning the wood grain, apply two closed primer; 5.Finish with top coat. Sinograce Chemical ...
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2.Substrate treatment - one of the waterborne wood coating process series
- 2020-02-20 22:09:52
- admin
The third step in the treatment of water-based paint coated substrates is sealing. The role of the water-based putty is to make the surface of the substrate such as wood not very regular and smooth and minor defects and defects, such as pores, fine cracks, pits, joints and concrete, to reduce the surface roughness and increase the flatness.The requirements for water-based putty are good adhesion a...
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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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Sinograce Chemical donated COVID - 19 epidemic prevention materials
- 2020-03-24 18:56:08
- admin
In February 2020, during the severe situation of covid-19, Sinograce Chemical company dared to assume social responsibilities and made a modest contribution to the fight against covid-19. It donated alcohol and 84 disinfectant and other epidemic prevention materials to hefei primary and secondary schools and universities for daily disinfection of schools, with a total of 10 tons of 84 di...
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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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What effect does fog-proof coating have and principle
- 2021-12-09 14:47:47
- admin
Functions of antifogging coating: 1 Super hydrophilic self-cleaning function:anti-fogging coating also uses super hydrophilic silicon oxide film to form a super hydrophilic film between the painted surface and dirt, so that dirt and coated surface separation and the use of natural rain wash away the stolen goods under the action of gravity, to achieve the purpose of self-cleaning. 2 Antistatic fun...
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Printing glue requirements
- 2021-12-29 10:28:41
- admin
Printing mucilage requirements The requirements of printing mucilage for manual plate printing Manual table printing is to press the screen on the fabric of the table for manual scraping, and the pressure extrusion on the scraper will print the glue through the mesh hole of the pattern part to the fabric. The shear stress of the binder is small, so thePrinting mucilageis required to have good...
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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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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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Application scenarios of waterborne polyurethane defoaming agent
- 2022-07-09 11:06:53
- admin
Waterborne polyurethane is often used in the preparation of waterborne coatings because of its excellent film formation and adhesion, excellent flexibility and wear resistance.However, water-based polyurethane dispersion contains a lot of surfactant, easy to produce bubbles, and because of the special properties of water-based polyurethane, it is necessary to use the characteristics of water-based...
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How much do you know about non-stick coatings
- 2022-11-02 17:20:50
- admin
The appearance of non-stick pan provides conditions for healthy cooking with less oil, and also makes cooking utensils more convenient to clean. However, in the non-stick frying pan into life at the same time, the safety of its coating has never been questioned.There are two main coating processes for non-stick frying pans: one is the traditional coating process, Teflon coating (PTFE); The second ...
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What are the advantages of waterborne polyurethane over traditional materials
- 2023-02-14 17:56:42
- admin
Polyurethane (PU) is a kind of organic polymeric compounds containing repeated carbamate group (NHCOO) in the main chain.Polyurethane polymer materials have the advantages of wear resistance, high temperature resistance, good adhesion, easy processing, low price, but some polyurethane water resistance, heat resistance is poor, need to be modified by specific methods, in order to achieve the purpos...
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How much do you know about self-adhesive printed labels
- 2023-03-14 15:39:11
- admin
Self-adhesive refers to paper, film or other special materials as fabric, coated with adhesive on the back, a composite material printed with silicon protective paper as the base paper, the reason for the rapid rise of self-adhesive in recent years, because it is very practical, and very convenient, the cost is not high, the following to tell you about a few small knowledge of self-adhesive printi...
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Introduction of six features of water-based acrylic emulsion
- 2023-04-04 18:09:50
- admin
1.Excellent adhesion The polymer structure of water-based acrylic emulsion contributes to the flow and wettability of molecular chains on the substrate surface, making the coating and substrate molecules in close contact, to achieve high adhesion. 2.High load-bearing capacity of the makeup filler can significantly reduce the cost Waterborne acrylic emulsion has excellent fillability, the total sol...
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Is Nonstick coating Really Toxic?The nonstick frying pan at home. Will it work
- 2023-04-13 15:58:55
- admin
"Non-stick pan" is a very common pot in the kitchen, because in the process of using less oil consumption, less smoke, but also not easy to paste the problem, so it is welcomed by many people. In recent years, however, there have been more and more controversies about non-stick pans: Some people think that non-stick coating will produce toxic substances, can not be used for a long time; Some peopl...
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Principle, classification, selection and dosage of defoamer
- 2023-08-30 16:26:08
- admin
The foam problem in water treatment has troubled many people, debuting the initial foam, surfactant foam, impact foam, peroxide foam, circulating water treatment with non-oxidizing fungicide generated foam, etc., so the use of defoamer in water treatment is more common, this article comprehensively introduces the principle, classification, selection and dosage of defoamer! Methods of foam eliminat...