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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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Classification and characteristics of screen-printable pressure sensitive adhesives
- 2022-12-27 16:21:23
- admin
Classification and characteristics of screen-printable pressure sensitive adhesives I.Characteristics and performance requirements of screen printing process Screen printing is through a certain pressure to make the printing base material through the holes of the plate to the substrate, the formation of an image or text. In order to achieve good printing adaptability, the physical properties of sc...
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Ⅲ Screen printing UV pressure sensitive adhesive and water-based pressure sensitive adhesive features
- 2023-01-03 17:34:38
- admin
Screen printing UV pressure sensitive adhesive and screen printing water-based pressure sensitive adhesive, has the following different characteristics: because UV curable pressure sensitive adhesive does not contain water or organic solvent, so it can be cured without heating drying channel, and water-based pressure sensitive adhesive to water as diluent, need a lot of heat to volatilizing water;...
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The difference between waterborne and oil-based polyurethanes
- 2023-01-31 17:16:35
- admin
Waterborne polyurethane: A new type of polyurethane system using water instead of organic solvent as dispersion medium, also known as water dispersed polyurethane, water polyurethane or water based polyurethane. Oily polyurethane: polyurethane system with organic solvent as dispersion medium, polyurethane system with thermoplastic linear structure. Distinguish by appearance Waterborne polyurethane...
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Preparation of waterborne polyurethane emulsion and its application in latex products
- 2023-01-31 17:38:46
- admin
Water based polyurethane is a kind of block copolymer containing soft segment and hard segment. The soft segment is composed of oligomer polyols, and the hard segment is composed of polyisocyanate and chain extender. It has excellent wear resistance, oil resistance, low temperature resistance, aging resistance and chemical resistance.At present, the water based polyurethane emulsion on the market ...
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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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Precautions and reason analysis of water-based film coating process
- 2023-02-17 17:29:58
- admin
Water-based coating is an effective means to process the surface of printed matter, to improve the gloss and strength of the surface of printed matter, enhance the aesthetic effect, temperature resistance, water resistance, wear resistance, improve the grade of printed matter and commodity value. Therefore, to measure the quality of the coating, it is also necessary to examine the brightness, stre...
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In what fields can polyurethane adhesives be used
- 2023-03-03 17:57:27
- admin
Polyurethane adhesive is a kind of high-grade adhesive, with excellent flexibility, impact resistance, chemical resistance, wear resistance, and the most important is its low temperature resistance. Because of its series of advantages, polyurethane adhesives are widely used in the following fields. 1. Carpentry industry With the improvement of people's awareness of environmental protection, the wo...
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What are the uses of polyurethane resin in ink
- 2023-03-07 11:44:11
- admin
Polyurethane (polyurethanes, abbreviated PU) is a kind of polymer with -NHCOO-repeat structural unit as the main chain. Isocyanate (monomer) is polymerized with a hydroxyl compound.Due to the strong polarity of the carbamate group, insoluble in non-polar groups, with good oil resistance, toughness, wear resistance, aging resistance and adhesion. Materials suitable for a wide temperature range (-50...
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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 to pressure sensitive adhesive for labels
- 2023-03-22 17:47:25
- admin
Adhesive label is a representative pressure sensitive adhesive product which coexists with adhesive tape for packaging. Its wide range of uses, such as: food, cosmetics, drugs and other use of senior beautiful label; Quality marking labels for fiber products, electronic machines, daily necessities, etc.; A price tag used in a supermarket or grocery store; Computer tags for schools, hospitals and o...
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Composite film adhesive layer does not dry phenomenon loss,Here's the trick
- 2023-03-29 16:03:26
- admin
After the composite product has been cured at a certain temperature and time, the interlayer peeling composite film adhesive layer still has a certain viscosity, that is, after the composite film peeling, the two-layer film will be re-glued together by hand, and the severe drying of the composite film adhesive layer will directly affect the peeling strength of the composite film, while the slight ...
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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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Acrylic resin emulsion
- 2023-04-27 17:46:54
- admin
Acrylic acid Important organic synthesis raw materials and synthetic resin monomer Acrylic resin is an important organic synthesis raw material and synthetic resin monomer, is a very fast polymerization rate of ethylene monomer.Is the simplest unsaturated carboxylic acid, consisting of a vinyl group and a carboxylic group. Most of them are used to manufacture methyl acrylate, ethyl ester, butyl es...
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The function and use method of primer and matters needing attention
- 2023-05-10 17:00:48
- admin
In nylon, PP and other plastics and metal substrate painting and bonding process of the industrial surface treatment industry, the role of the base coating agent is equivalent to the auxiliary additives. In the painting process to improve the combination between the paint and the substrate, the bonding process is to cooperate with the adhesive, improve the adhesion of the adhesive or glue to the s...