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Acrylate emulsion of water-based ink for soft PVC (Polyvinyl Chloride) and preparation method thereof

An acrylate and water-based technology, which is applied to the acrylate emulsion of soft PVC water-based ink and its preparation field, can solve the problems affecting the stability and printing effect of water-based ink, poor adhesion of printing substrates, poor color paste compatibility, etc. problem, to achieve the effect of increased strength, improved adhesion, and good water resistance

Inactive Publication Date: 2017-06-13
HUBEI ENG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, judging from the existing actual use conditions, water-based inks instead of solvent inks mainly face two major problems: slow drying speed and poor adhesion to printing substrates; since the main solvent of water-based inks is water, the volatilization speed of water is relatively low. Solvents in solvent inks such as toluene, acetone, ethyl acetate, ethanol, methanol, isopropanol, and methylcyclohexanone are much slower
On the market, there are also some resins with good adhesion to the printing substrate, but these resins are not pure acrylic resin systems. In the process of preparing water-based inks, they are not compatible with the color paste in water-based inks, which directly affects water-based inks. Ink stability and printing effect

Method used

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  • Acrylate emulsion of water-based ink for soft PVC (Polyvinyl Chloride) and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Take 15 parts of methyl acrylate, 10 parts of ethyl acrylate, 10 parts of methyl methacrylate and 8 parts of methacrylic acid and mix uniformly to obtain mixture A; 10 parts of butyl acrylate, 10 parts of vinyl acetate, methyl methacrylate Mix 6 parts with 1.2 parts of ethylene glycol diacrylate to obtain mixture B; 15 parts of butyl acrylate, 15 parts of methyl methacrylate and 1.2 parts of ethylene glycol diacrylate to obtain mixture C, set aside.

[0036] Add 200 parts of deionized water to the reactor, raise the temperature of the reactor to 83, then add 3 parts of 1-allyloxy-2-hydroxypropanesulfonate sodium, stir for five minutes and then add ammonium persulfate 0.35 servings.

[0037] Add the mixture A into the reaction kettle dropwise, and control the dropping within 1.5 to 2.5 hours. After holding the heat for half an hour, add 8.5 parts of 22% ammonia water at one time, and continue stirring for ten minutes.

[0038] Add 0.9 parts of sodium lauryl sulfate and ...

Embodiment 2

[0041] Take 12 parts of ethyl acrylate, 15 parts of hydroxyethyl methacrylate, 3 parts of methyl methacrylate, 9 parts of ethyl methacrylate, and 10 parts of acrylic acid to obtain mixture A; 4 parts of methyl acrylate, ethyl acrylate 10 parts of butyl methacrylate, 5 parts of butyl methacrylate, 2 parts of methyl methacrylate, 5 parts of ethyl methacrylate, 0.5 parts of dicyclopentyl acrylate, and 1.4 parts of diethylene glycol diacrylate were mixed uniformly to obtain mixture B ; 18 parts of butyl acrylate, 2 parts of ethylene tertiary carbonic acid, 5 parts of methyl methacrylate, 1 part of styrene, 0.5 parts of dicyclopentyl acrylate, 0.5 parts of 1,3-butanediol diacrylate to obtain mixture C ,spare.

[0042] Add 185 parts of deionized water into the reactor, raise the temperature of the reactor to 85°C, then add 0.5 parts of allyl polyether sodium sulfate, 2.7 parts of allyl phenoxy polyether ammonium sulfate, and stir for five Minutes later, 0.45 parts of ammonium persu...

Embodiment 3

[0047] Take 8 parts of hydroxyethyl acrylate, 7 parts of hydroxypropyl acrylate, 14 parts of hydroxypropyl methacrylate, 2 parts of methyl methacrylate, 10 parts of sodium p-styrenesulfonate, 6 parts of itaconic acid, fumarate Mix 7 parts of monobutyl acrylate to obtain mixture A; 12 parts of tert-butyl acrylate, 9 parts of isooctyl methacrylate, 6 parts of methyl methacrylate, 1 part of styrene, 1.5 parts of ethylene glycol diacrylate, Mix 0.6 parts of polyethylene glycol diacrylate to obtain mixture B; 14 parts of tert-butyl acrylate, 8 parts of butyl methacrylate, 6 parts of ethyl methacrylate, and 1 part of ethylene glycol diacrylate to obtain mixture C. spare.

[0048] Add 220 parts of deionized water into the reactor, raise the temperature of the reactor to 80°C, then add 3.8 parts of sodium vinylsulfonate, stir for five minutes and then add 0.5 parts of sodium persulfate.

[0049] Add the mixture A into the reaction kettle dropwise, and control the dropping within 1.5 ...

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Abstract

The invention discloses acrylate emulsion of water-based ink for soft PVC (Polyvinyl Chloride) and a preparation method thereof. The acrylate emulsion is prepared from the following raw materials in parts by weight: 4.0 to 4.8 parts of an emulsifier A, 40.0 to 60.0 parts of a mixture A, 2.0 to 6.0 parts of an emulsifier B, 25.5 to 33.0 parts of a mixture B, 25.5 to 31.5 parts of a mixture C, 0.66 to 1.34 parts of an initiator, 4.8 to 18.0 parts of alkali salt and 150.0 to 230.0 parts of water. The acrylate emulsion of the water-based ink is specifically synthesized aiming at application to the soft PVC, and the preparation method of the acrylate emulsion adopts a novel a core-shell emulsion polymerization technology and an interpenetrating polymer network emulsion polymerization technology; an acrylate chain segment with stronger hydrophily is used as a core layer of the acrylate emulsion, and better re-dissolution property and better compatible stability with water-based ink color paste are realized; since the interpenetrating polymer network emulsion polymerization technology is adopted, the strength of an emulsion coating film is greatly increased, the adhesive force of the water-based ink on a soft PVC base material is increased, and the water resistance is good.

Description

technical field [0001] The invention relates to the technical field of emulsion synthesis, in particular to an acrylate emulsion of soft PVC water-based ink and a preparation method thereof. Background technique [0002] Water-based ink is a very important ink in printing ink, and its consumption accounts for 8% to 12% of the total printing ink. Compared with solvent ink, offset printing ink and screen printing ink, the production process of water-based ink is relatively simple, and there is basically no organic solvent emission in the production process and printing process. It is a relatively green and environmentally friendly ink. However, judging from the existing actual use conditions, water-based inks instead of solvent inks mainly face two major problems: slow drying speed and poor adhesion to printing substrates; since the main solvent of water-based inks is water, the volatilization speed of water is relatively low. Solvents in solvent inks such as toluene, acetone...

Claims

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Application Information

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IPC IPC(8): C08F220/14C08F220/18C08F220/06C08F212/08C08F218/08C08F283/06C09D11/107
CPCC09D11/107C08F220/14C08F220/18C08F283/065C08F220/1804C08F220/06C08F218/08C08F220/281C08F220/1802C08F222/02C08F212/08
Inventor 颜永斌张府郑科旺覃彩芹李伟
Owner HUBEI ENG UNIV
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