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Anti-oxidation emulsion and anti-oxidation waterborne coating varnish prepared from same

A technology of oxidized emulsion and anti-oxidation, which is applied in the direction of anti-corrosion agent/anti-oxidant addition, coating, paper coating, etc., can solve the problems of poor performance of water-based varnish, and achieve improved emulsion polymerization effect, high selectivity, and selectivity Reusable Effects

Active Publication Date: 2017-08-11
GUANGDONG YINGKE GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional water-based coating varnish is alkaline, and after the coating is dried and then bronzing, it is inevitable that there will be alkaline substances that may corrode the anodized aluminum, resulting in poor performance of the water-based varnish

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] An antioxidant emulsion, using neutral pH acrylic resin solution Joncryl LMV 7025 as protective colloid, using mixed monomers, emulsifiers, initiators and deionized water as raw materials, prepared through pre-emulsification, seed reaction and polymerization reaction, It is specifically prepared from raw materials in the following weight percentages:

[0047] Neutral pH acrylic resin solution (Joncryl LMV 7025) 400

[0048] Mixed Monomer 356

[0049] Emulsifier 8

[0050] Initiator 6.6

[0051] Oxidizing agent 0.2

[0052] Reducing agent 0.2

[0053] Deionized water 239.

[0054] The mixed monomer is a mixture composed of styrene, butyl acrylate, isooctyl acrylate and hydroxyethyl methacrylate in a weight ratio of 8:4:23:0.7.

[0055] The emulsifier is alkyl polyoxyethylene ether phosphate, the initiator is ammonium persulfate, the oxidizing agent is tert-butyl hydroperoxide, and the reducing agent is diabolite.

[0056] Preferably, the neutral pH acrylic resin s...

Embodiment 2

[0075] The difference between this embodiment and above-mentioned embodiment 1 is:

[0076] An antioxidant emulsion, using neutral pH acrylic resin solution Joncryl LMV 7085-E as a protective colloid, using mixed monomers, emulsifiers, initiators and deionized water as raw materials, prepared by pre-emulsification, seed reaction, and polymerization into, specifically made from the following raw materials in weight percent:

[0077] Neutral pH acrylic resin solution (Joncryl LMV 7085-E) 400

[0078] Mixed Monomer 346

[0079] Emulsifier 8

[0080] Initiator 6.6

[0081] Oxidizing agent 0.2

[0082] Reducing agent 0.2

[0083] Deionized water 249.

[0084] A kind of preparation method of above-mentioned antioxidant emulsion, comprises the steps:

[0085] (1) Add 400kg of neutral pH acrylic resin solution (Joncryl LMV 7085-E) and 46.6kg of deionized water into the reaction device, and raise the temperature to 80°C;

[0086] (2) Mix 6.6kg ammonium persulfate and 59.4kg dei...

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Abstract

The invention relates to the technical field of coating varnish, in particular to anti-oxidation emulsion and anti-oxidation waterborne coating varnish prepared from the same. The anti-oxidation emulsion is prepared from raw materials in percentage by weight as follows: 30%-50% of an acrylic resin solution with neutral pH, 29%-41% of mixed monomers, 0.5%-1% of an emulsifier, 0.3%-0.8% of an initiator, 0.01%-0.05% of an oxidizing agent, 0.01%-0.05% of a reducing agent and 10%-25% of deionized water, and the sum of the raw materials in percentage by mass is 100%. According to the anti-oxidation emulsion, possibly existing acid-base substances can be reduced, the probability of oxidation is reduced, and hot stamping foil is not prone to oxidation; the anti-oxidation waterborne coating varnish prepared from the anti-oxidation emulsion contains no organic solvents, is low in content of VOCs (volatile organic chemicals) or free of VOCs, is environment-friendly, non-toxic and anti-oxidation, and is suitable for surface lustering of substrates, prone to hot stamping oxidation, of black cardboards, blackened paper, coated black paper and the like.

Description

technical field [0001] The invention relates to the technical field of coating varnish, in particular to an anti-oxidation emulsion and an anti-oxidation water-based coating varnish prepared by using the same. Background technique [0002] Hot stamping paper (also called hot stamping foil) can be divided into gold, silver, and color. Hot stamping gold is called hot stamping, and hot stamping silver is called hot silver, commonly known as hot stamping. Hot stamping paper has a special metallic luster, which brings bright colors to the hot stamping, improves the grade of the product, and has a fashionable look, so it is widely used in the packaging field, such as cosmetic packaging boxes, gift jewelry boxes, high-end shoes boxes and more. [0003] Hot stamping is a process of transferring the pattern on the hot stamping paper to the substrate by means of thermal transfer through appropriate temperature and pressure. Generally, the water-based ink is first printed on the pape...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F265/00C08F212/08C08F220/18C08F220/28C08F2/30C08F4/40C08F4/30D21H21/38D21H19/12
CPCC08F2/30C08F4/30C08F4/40C08F265/00D21H19/12D21H21/38C08F220/1808
Inventor 连坤鹏刘润林曹松
Owner GUANGDONG YINGKE GRP CO LTD
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