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Glazing oil and preparation method thereof

A technology of parts by weight and emulsifier, applied in the direction of coating, etc., can solve the problem of uneven surface thickness, etc., and achieve the effects of enhancing leveling, emulsifying effect, and improving surface hydrophobicity

Active Publication Date: 2018-12-18
杭州创先彩印包装有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the deficiencies in the prior art, the first object of the present invention is to provide a varnish and a preparation method thereof, which solves the problem of uneven thickness of the varnish on the surface of printing products, and has the effect of improving the leveling of the varnish. advantage

Method used

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  • Glazing oil and preparation method thereof
  • Glazing oil and preparation method thereof
  • Glazing oil and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Embodiment 1: a kind of varnish, including the components shown in Table 1 in parts by weight.

[0052] The above-mentioned high-strength impermeable concrete is prepared through the following steps:

[0053] S1, take the emulsifier and water in corresponding parts by weight, heat in a water bath to 80° C. to dissolve, and stir at high speed to obtain an emulsified solution. Take corresponding parts by weight of methyl methacrylate, butyl acrylate, acrylic acid, acrylonitrile and hydroxyethyl acrylate, mix them uniformly, add them into the emulsified solution, and mix them uniformly to obtain a seed emulsion.

[0054] S2, taking corresponding parts by weight of polyvinyl alcohol powder and initiator and mixing to obtain an additive liquid. Take 20% of the seed emulsion, add 1 / 3 of the additive solution, mix evenly to obtain a reaction solution, and control the reaction temperature at 80°C. After the reaction solution turns blue, add the remaining seed emulsion and the...

Embodiment 2-7

[0057]Embodiment 2-7: a kind of glazing oil, the only difference from embodiment 1 is that the parts by weight of some components are different; the components and parts by weight are shown in Table 1.

[0058] Components and their corresponding parts by weight in table 1. embodiment 1-7

[0059]

Embodiment 8-9

[0060] Embodiment 8-9: A kind of glazing oil, the only difference from Embodiment 1 is that polyethylene glycol monomethyl ether methacrylate with relative molecular weights of 1000 and 1200 are selected.

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Abstract

The invention discloses a glazing oil and a preparation method thereof, and relates-the technical field of printing. The glazing oil comprises, by weight, 1105-1578 parts of comonomers, 1108-1568 parts of water, 80-138 parts of an emulsifier, 104-151 parts of sodium hydroxide and 94-121 parts of an initiator, wherein, the comonomers comprise methyl methacrylate, butyl acrylate, acrylic acid, acrylonitrile and hydroxyethyl acrylate; and the emulsifier comprises polyethylene glycol monomethyl ether methacrylate and / or sodium p-styrenesulfonate. The preparation method of the glazing oil comprisesthe following steps: S1, taking corresponding parts by weight of the comonomers, sodium hydroxide, the emulsifier and water, heating above obtained substances to achieve dissolve, and carrying out uniform mixing to obtain a seed emulsion; and S2, taking and adding the corresponding parts by weight of the initiator to the seed emulsion, and performing uniform mixing to obtain an emulsion polymer.The glazing oil has an improved levelability.

Description

technical field [0001] The invention relates to the technical field of printing, in particular to a varnish and a preparation method thereof. Background technique [0002] Glazing oil refers to a liquid that is coated on the surface of printed matter to increase gloss, abrasion resistance and water resistance. Varnishes include water-based varnishes, oil-based varnishes, UV varnishes, and alcohol-soluble varnishes. At present, water-based varnish is the most widely used in China, because it has very good environmental protection performance. [0003] The Chinese patent with the authorized announcement number CN104845500B and the authorized announcement date on March 1, 2017 discloses a printing varnish, which is composed of the following raw materials: water-soluble acrylic epoxy resin, mussel mucin, Calcium acetate, acrylates, solvents, and functional additives are specifically prepared through the following steps: add acrylates to the water-soluble acrylic epoxy resin in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D151/08C09D133/20C08F283/06C08F220/14C08F220/18C08F220/06C08F220/20C08F220/46C08F212/14
CPCC09D133/20C09D151/08C08F220/14C08F283/065C08F220/1804C08F220/06C08F220/20C08F220/46C08F212/14
Inventor 颜丽英
Owner 杭州创先彩印包装有限公司
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