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Ester-soluble resin and preparation method thereof

A technology of ester solubility and resin, applied in the field of resin and preparation, can solve the problems of poor ink or pigment adaptability, environmental pollution, human injury, etc., achieve good pigment adaptability and printing adaptability, and ink environmental protection effect

Inactive Publication Date: 2010-09-01
戎昌栋 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The resins used in the market currently use benzene and ketones as diluents such as "polyamide resin (benzene-soluble)". As disclosed in Chinese patents CN200610022514.2 and CN200510021271, inks or pigments made of these alcohol-water-soluble resins have poor adaptability or printing adaptability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Add 6 grams of methyl methacrylate, 180 grams of butyl acrylate, 210 grams of ethyl acetate, 190 grams of ethyl acetate, and 130 grams of butyl acetate into the reaction kettle, stir and heat to 70-75°C. Add 4 grams of initiator benzoyl peroxide under stirring; after reacting for 1-2 hours, add 55 grams of ethyl acetate, 40 grams of butyl acetate, 100 grams of vinyl acetate, 45 grams of butyl acrylate, and 20 grams at a constant rate. A mixed solution of ethyl acrylate and 40 grams of methyl methacrylate, dripping time is 3-4 hours;

[0026] After the dropwise addition of the mixed solution is completed, add the remaining 2 g of the initiator benzoyl peroxide solution dropwise to the reaction kettle for 0.5 hours. After the dropwise addition, the reaction solution is maintained at a temperature of 75-80°C 1.5-3 hours; then add 7 grams of ethyl acetate and 6 grams of butyl acetate, cool and discharge, to obtain a 50% copolymer solution.

[0027] Take 100 grams of the copolym...

Embodiment 2

[0029] Take 100 grams of the copolymer solution prepared in Example 1, and add 35 grams of a terpene resin 50% ethyl acetate (softening point 80 degrees) solution to obtain a resin for ink.

Embodiment 3

[0031] Take 100 grams of the copolymer solution prepared in Example 1, and add 20 grams of 50% ethyl acetate (softening point 90 degrees) solution of aliphatic petroleum resin to obtain ink resin.

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Abstract

The invention discloses an ester-soluble resin and a preparation method thereof. The ester-soluble resin comprises the following components in percentage by weight: 40 to 85 percent of a copolymer and 15 to 60 percent of a functional polymer, wherein the copolymer is copolymerized by 40 to 70 weight percent of a vinyl acetate monomer and 30 to 60 weight percent of an acrylate monomer in the action of reaction solvent and an evocating agent which accounts for 0.4 to 0.9 weight percent of the total weight of the monomers through free radicals; and the functional polymer is one or more of rosin, modified rosin, polyterpene, modified terpene, aliphatic petroleum resin and aromatic petroleum resin. When used in ink, the ester-soluble resin not only makes the ink environmentally-friendly, and but also endows the ink with the advantages of high paint adaptability, high printing adaptability and the like.

Description

Technical field [0001] The invention relates to a resin and a preparation method, in particular to an ester-soluble resin for gravure printing ink, and a preparation method thereof. Background technique [0002] At present, the resins used in the market use benzene and ketones as diluents such as "polyamide resin (benzene solubility)". These solvents seriously pollute the environment and are harmful to the human body when used in food packaging, or use alcoholic water as a solvent Such as the inks disclosed in Chinese patents CN200610022514.2 and CN200510021271, but inks or pigments made of these alcohol water-soluble resins have poor adaptability or poor printing adaptability. Summary of the invention [0003] In view of the shortcomings of the prior art, one of the objectives of the present invention is to provide an ink resin for gravure printing, which is not only environmentally friendly, but also has excellent pigment adaptability and printing adaptability. [0004] The secon...

Claims

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Application Information

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IPC IPC(8): C08L31/04C08L33/08C08L33/12C08L33/10C08L93/04C08L45/00C08L57/02C08F218/08C08F220/18C09D11/10C09D11/08C09D11/107C09D11/108
Inventor 戎昌栋李锋蒋毅华杨伯为
Owner 戎昌栋
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