Novel printed product gloss oil

A printed matter and a new type of technology, applied in the field of printing, can solve the problems of complex process of benzene-propylene-silicon copolymer emulsion, increase in waterproofness and adhesion, and poor adhesion of printed matter, so as to increase the adhesion effect, enhance the adhesion performance, The effect of increased protein cross-linking properties

Active Publication Date: 2015-08-19
山东济清科技服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Acrylic varnishes have been widely used due to their excellent weather resistance, gloss and color retention, etc., but there are problems such as high brittleness at low temperatures, which leads to poor adhesion of varnishes to printed materials on substrates. The waterproof performance is reduced, and at the same time, after the varnish is applied, the brittleness of the printed matter becomes larger, which is not conducive to long-term storage
Chinese patent CN101798776A discloses a glazing oil composed of core-shell structure benzene-acrylic-organic silicon copolymer emulsion, water-soluble acrylate, etc. as main raw materials. The process of acrylic-silicone copolymer emulsion is complicated and the synthesis cost is high

Method used

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  • Novel printed product gloss oil

Examples

Experimental program
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Effect test

Embodiment 1

[0023] A new printing varnish is composed of the following raw materials in percentage by weight: 50% water-soluble acrylic epoxy resin; 6% mussel mucin, 5% calcium acetate, 10% methyl acrylate; 28% ethanol; Agent 1% (leveling agent: alkyl modified organosiloxane; defoamer: polyoxyethylene polyoxypropanolamine ether; dispersant: acrylic acid amide; brightener: organosiloxane; plasticizer: o phthalates).

[0024] The preparation method of above-mentioned novel printed matter varnish specifically comprises the following steps:

[0025] (1) Synthesis of water-based coating resin: Slowly add 16g of acrylic acid to 41g of epoxy resin dropwise at 50°C, adjust the stirring speed to 150r / min, wait until the temperature is evenly stirred to 102°C to speed up the reaction, and the acid value is less than 5mgKOH When the temperature is lowered to 55°C, add 21g of maleic anhydride and 1g of acetone, stir evenly at a medium speed of 200r / min, then heat up to 90°C, and cool down naturally ...

Embodiment 2

[0029] A new printing varnish is composed of the following raw materials in weight percentage: 50% water-soluble acrylic epoxy resin; 6% mussel mucin, 3% calcium acetate, 20% methyl methacrylate; 19% ethanol; Functional additive 2% (leveling agent: carboxymethyl cellulose; defoamer: polysiloxane; dispersant: sodium lauryl sulfate; brightener: organosiloxane; plasticizer: phthalate formic acid diester).

[0030] The preparation method of this novel printed matter varnish is the same as in Example 1.

Embodiment 3

[0032] A new printing varnish, which is composed of the following raw materials in weight percentage: 40% water-soluble acrylic epoxy resin; 7% mussel mucin, 4% calcium acetate, 8% methyl acrylate, 8% methyl acrylate %; ethanol 30%; functional additives 3% (leveling agent: alkyl modified organosiloxane and carboxymethyl cellulose; defoaming agent: polyoxyethylene polyoxypropanolamine ether and polysiloxane; Dispersants: Acrylamide, Sodium Lauryl Sulfate, and Methylamyl Alcohol; Brightener: Organosiloxane; Plasticizer: Diester Phthalate).

[0033] The preparation method of this novel printed matter varnish is the same as in Example 1.

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Abstract

The invention belongs to the technical field of printing and particularly relates to novel printed product gloss oil. The gloss oil consists of the following raw materials including water-soluble crylic acid epoxy resin, mussel mucoprotein, calcium acetate, acrylics, a solvent and a function additive and is specifically prepared by the steps of adding the acrylics into water-soluble crylic acid epoxy resin according to the proportion, evenly mixing the solvent, then adding the function additive into the solvent, performing even mixing, adding a mixed solution formed by the mussel mucoprotein and the calcium acetate and then performing even stirring. A preparing method is simple, prepared and synthesized gloss oil is good in waterproof performance and glossiness and enables printed products to be good in adhesion and abrasion resisting performance.

Description

technical field [0001] The invention belongs to the technical field of printing, and in particular relates to a novel varnish for printed matters. Background technique [0002] Glazing is an important means of post-press finishing, mainly by coating (or spraying, printing) a layer of transparent paint on the surface of the printed matter, and forming a thin and uniform coating on the surface of the printed matter after leveling, drying, calendering, and curing. The transparent bright layer is a process or technology that enhances the smoothness of the surface of the carrier and protects the fine decoration of printed graphics. Glazing can not only enhance the surface gloss and protect printed graphics, but also does not affect the recycling of paper. Therefore, it is widely used in the surface processing of printed products such as packaging cartons, books, picture albums, and posters. The glazing process of paper prints, including paint glazing, UV glazing, and pearlescen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/10C09D189/00C09D7/12
CPCC08L2205/025C08L2205/035C09D7/47C09D7/63C09D7/65C09D163/10C08L89/00C08L83/04C08L71/00C08K5/098C08K5/20C08K5/12C08L1/286C08K5/41C08K5/00C08K5/05
Inventor 李效周孙鸿斌张亚楠刘婧婧
Owner 山东济清科技服务有限公司
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