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The advantages of water-based coating process for packaging color printing
- 2024-02-02 17:53:38
- admin
An important link in the production of color printing packaging is after color printing or paper-plastic film decoration, now the means of packaging products mainly rely on film or glazing, advertising instructions, books and notebook covers, commodity packaging and signs are all so. In terms of surface coating or glazing, there are now a variety of decorative methods to choose from, such as: (1)C...
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Comparison of advantages of waterborne wood paint and oil-based wood paint
- 2024-02-21 15:28:56
- admin
First, environmental performance VOC content Needless to say, water-based wood paint is perfect in this respect, water-based wood paint is based on water as a solvent with ultra-low VOC content, and will not produce pungent odor during construction. Nitrocellulose paint and polyester paint add organic solvents, and their products contain benzene, toluene, xylene and its derivatives, whic...
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Application processing technology, common faults and treatment methods of laminating glue
- 2024-02-28 17:42:35
- admin
Laminating glue is currently a kind of strong glue widely used in the market, so what is the application processing process of laminating glue? The application processing technology of laminating glue is as follows: 1, the composite method is dry composite, that is, the coating machine should use a dry composite machine with curing furnace and composite roller heating. 2, curing furnace ambient te...
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What kinds of thickeners are commonly used in waterborne polyurethane?
- 2024-03-01 17:36:22
- admin
There are four common waterborne polyurethane thickeners: ①Inorganic thickeners, such as flake silicates, fumed silica, etc.; ②Natural organic thickeners, such as cellulose ethers; ③Synthetic organic thickeners, such as polyacrylates, polyvinylpyrrolidone; ④associative thickener. This paper mainly introduces the associated emulsion thickener. Associative emulsion thickeners are non-ionic synthetic...
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Ink resin resists anti-viscosity
- 2024-03-09 15:38:05
- admin
Anti-viscosity is an important physical property index of printing ink.Gravure printing is a kind of printing method with high ink supply, good reproducibility and fast printing speed. Most of the inks used are solvent-based volatile drying inks.After the ink is transferred to the substrate through the printing plate, it passes through the drying channel, and the organic solvent is quickly volatil...
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Storage stability of ink
- 2024-03-14 16:13:48
- admin
After the ink is stored for a period of time, the upper part of the ink appears thin in the container, the viscosity is small, and the color and concentration are relatively poor; The lower part is thick, the viscosity is large, and the color and concentration are also relatively good. Intaglio printing inks are thin and have a small viscosity, because the pigment is poorly dispersed in the connec...
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How to choose water-based gravure ink resin
- 2024-03-20 17:53:45
- admin
The resins that can be used for water-based gravure inks are acrylic resin, polyurethane resin, alkyd resin, etc. Each resin has different characteristics and application occasions, and needs to be selected according to the actual situation. First, water-based gravure ink overview Water-based gravure ink is an environmentally friendly ink, compared with traditional ink, its volatility is small, no...
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A few key points you must know about ink defoamer
- 2024-04-02 17:56:58
- admin
As an important material for printing, ink is composed of resin, pigment, filler and auxiliary. Due to many industries such as books, packaging, construction, and circuit boards, with the gradual increase in social demand, the use of ink is also increasing. However, in the production and use of ink, due to the addition of surfactants, equipment stirring operation and environmental changes will cau...
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Low halogen color paste and ordinary color paste difference
- 2024-04-09 17:45:29
- admin
Color paste, also known as pigment paste, is an important form of dye application, which is widely used in textile, ink, paint and other industries. In the classification of pastes, low-halogen pastes and ordinary pastes are two common types. They have certain differences in composition, performance and use, and the differences between the two types of pastes will be discussed in detail below. Fir...
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What is the formula of laminating glue
- 2024-04-10 17:39:00
- admin
1.There are many formulations of coated glue, and different formulations need to be determined according to the specific use. It generally includes basic glue, thickener, curing agent, auxiliaries and other ingredients. 2.Basic glue is the most important component of laminating glue, it can be selected according to different use requirements of different types, such as water-based, oily, dilu...
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Printing paper glazing requirements for water-based polish
- 2024-04-12 17:34:16
- admin
The performance requirements of water-based varnish for printing paper glazing are as follows: 1.The film has good environmental resistance. Some of the printed matter after glazing is used to make all kinds of packaging cartons, in order to be able to play a good protective effect on the packaged products, the environmental resistance of the glazing film layer must be better. For example, the pac...
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Why is the transparency of other people's composite film so good?Why?
- 2024-04-17 17:56:09
- admin
The transparency of composite film is very high, but in the composite processing of plastic film, the composite film often has problems such as insufficient transparency. So, what is the reason for affecting the transparency of the composite film? This article analyzes one by one for reference. Improper selection of adhesives: Such as the color of the adhesive itself is dark or the fluid...
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Why do small bubbles appear in the composite film?
- 2024-04-19 17:51:28
- admin
"If there are small bubbles in the complex, opaque and foggy, it will not only affect the appearance quality, but also affect the peeling strength of the complex, reducing it, which is a very bad phenomenon." 1.The surface tension of the base film is too small, the infiltration is poor, the glue is not uniform, and the space without glue is empty and bubbles are generated. The solution is to use a...
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Three forms of paper thermit seal delamination
- 2024-05-08 17:24:46
- admin
Different processing methods will cause different fault manifestations, the following we mainly analyze the causes of paper thermit sealing delamination phenomenon under the gravure and solvent-free composite processing methods. The YBB paper aluminum-plastic composite film standard does not specify the composite strength index of the paper aluminum layer in the paper aluminum-plastic composite fi...
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The main components and classification of water-based ink
- 2024-05-09 17:04:52
- admin
Water-based ink is referred to as ink, and flexible water-based ink is also known as liquid ink, which is mainly made of water-soluble resins, organic pigments, solvents and related additives by composite grinding processing. Water-based ink is especially suitable for tobacco, wine, food, beverages, medicines, children's toys and other packaging and printing products with strict sanitary condition...
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PET label primer
- 2024-05-15 17:44:02
- admin
PET label primer Cost-effectively improve the printability of PET labels Excellent adhesion with PET label substrate Good affinity with all kinds of ink Good weather resistance, no yellowing Easy to use, safe and environmentally friendly PET label primer is a water-based coating designed to improve the printability of PET label paper with advanced material technology and formulation technology. Du...