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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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Take you quickly understand water-based adhesives!
- 2023-02-07 17:48:21
- admin
Water-based adhesive with high polymer, water-soluble resin as the main raw materials, water as the solvent, less odor, environmental protection. With the continuous improvement of people's environmental awareness, water-based adhesives have become the mainstream of the market in recent years. Characteristics of water-based adhesive 1.Applicable to the substrate any kind of adhesive is not om...
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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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Introduction of six features of water-based acrylic emulsion
- 2023-02-20 18:09:24
- admin
Together to understand the characteristics of water-based acrylic emulsion! 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 th...
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Water-based acrylic emulsion production process
- 2023-03-02 10:47:44
- admin
Preparation method of waterborne acrylic emulsion 1.The preparation of water-based acrylic emulsion: the raw materials including acrylic hard monomer, acrylic soft monomer and acrylic functional monomer all acrylic monomer, emulsifier, water added to the pre-emulsifying kettle, emulsifying 30 ~ 40min.A non-stratified emulsion is obtained. Then the remaining water, remaining emulsifier and buffer a...
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Common types, synthetic methods and crosslinking methods of acrylic resins
- 2023-03-02 13:52:42
- admin
Acrylic resin is made of acrylic ester and methacrylate and other alene monomers copolymerization resin, through the selection of different resin structure, different formula, production process and solvent composition, can be synthesized different types, different performance and different application of acrylic resin, Acrylic resin can be divided into thermoplastic acrylic resin and thermosettin...
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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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[Packaging label] Uncovered no glue residue! Silky removable label
- 2023-03-11 16:38:29
- admin
Labels, as they are called in the printing industry, are mostly printed materials used to identify the relevant instructions of their products, and most of them come with glue on the back. But there are also some printing without glue, can also be called labels. Glue label is colloquially known as "sticker label". Label base material classification Substrate application surface material paper...
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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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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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Water-based laminated adhesive Thermal compound adhesive dry laminating adhesive
- 2023-04-15 17:15:29
- admin
I.Overview: Refilm process is widely used in all kinds of packaging, small to medicine box, artifact box, large to outer packing boxes and various product packaging.The current recoating technology includes precoating, dry recoating and wet recoating.Wet composite uses water-soluble adhesive cold paste process. Dry composite traditional composite film process is to apply solvent-based adhesive dir...
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Characteristics and selection of water-based packing adhesive
- 2023-04-18 18:06:52
- admin
Water-based adhesive with high polymer, water-soluble resin as the main raw materials, water as the solvent, odor is small, environmental protection and non-toxic. With the continuous improvement of people's environmental awareness, water-based adhesives have become the mainstream of the market in recent years. In practical application, some packaging and printing manufacturers do not know enough ...