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Polyacrylic acid printing ink resin and preparation method thereof

A technology of ink resin and polyacrylic acid, which is applied in the field of printing ink, can solve the problems of severe printing suitability of ink resin, achieve good solvent release, inhibit gel, and ensure controllability

Active Publication Date: 2014-09-10
INST OF CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the ink resin prepared with this formula has serious printability problems

Method used

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  • Polyacrylic acid printing ink resin and preparation method thereof
  • Polyacrylic acid printing ink resin and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] 1 kg of methacrylic acid, 41 kg of methyl methacrylate, 40 kg of styrene, 1 kg of maleic acid, 15 kg of rosin, 1 kg of isopropanol, 1 kg of azobisisobutyl Nitrile is mixed evenly in the feed tank to obtain reaction materials, and then the reaction materials are pumped into a tubular reactor equipped with a static mixing device for continuous bulk polymerization; when performing continuous bulk polymerization, the temperature of the tubular reactor is 100 ℃, the pressure is 0.5MPa, and the residence time of the reaction material in the tubular reactor is 40 minutes; after the reaction product is discharged, it is extracted and granulated to obtain a polyacrylic acid ink resin with a number average molecular weight of 70,000.

Embodiment 2

[0030] 10 kg of acrylic acid, 10 kg of methacrylic acid, 12 kg of butyl acrylate, 18 kg of pentyl acrylate, 21 kg of vinyl butyrate, 9 kg of methyl styrene, 10 kg of itaconic acid, 5.5 kg of acrylonitrile, 1 kg of rosin phenolic resin, 1 kg of epoxy resin, 0.3 kg of propylene glycol, 0.2 kg of thioglycolic acid, 0.5 kg of benzoyl peroxide, 1.5 kg of dicumyl peroxide in The reaction materials are mixed uniformly in the feeding tank, and then the reaction materials are pumped into a tubular reactor equipped with a static mixing device for continuous bulk polymerization; when performing continuous bulk polymerization, the temperature of the tubular reactor is 300 °C, The pressure is 4MPa, and the residence time of the reaction material in the tubular reactor is 2 minutes; after the reaction product is discharged, it is extracted and granulated to obtain a polyacrylic acid ink resin with a number average molecular weight of 10,000.

Embodiment 3

[0032]7 kg of acrylic acid, 3.5 kg of methacrylic acid, 10 kg of isobutyl acrylate, 40 kg of nonyl methacrylate, 5 kg of vinyl laurate, 15 kg of tertiary vinyl carbonate, 5 kg of acrylic acid -2-hydroxyethyl ester, 7 kg of acrylamide, 1 kg of cellulose, 2 kg of polycarbonate, 0.1 kg of mercaptohexanol, 0.4 kg of 3-mercaptopropionic acid, 2.5 kg of diacetyl peroxide, 1.5 kg of tert-butyl peroxylaurate is mixed uniformly in the feed tank to obtain the reaction material, and then the reaction material is pumped into a tubular reactor equipped with a static mixing device for continuous bulk polymerization; , the temperature of the tubular reactor is 200°C, the pressure is 3.5MPa, and the residence time of the reaction material in the tubular reactor is 30 minutes; after the reaction product is discharged, it is extracted and granulated to obtain the number average molecular weight 50,000 polyacrylic ink resin.

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Abstract

The invention belongs to the field of printing ink and specifically relates to polyacrylic acid printing ink resin and a preparation method thereof. The preparation method comprises the steps of uniformly mixing (methyl) acrylic acid, (methyl) acrylate, a vinyl monomer, an active functional monomer, an auxiliary component, a molecular weight regulator and an initiator in a feeding tank to obtain reaction materials; then, pumping the reaction materials into a tubular reactor in which a static mixing device is arranged, and preparing polyacrylic acid printing ink resin at a high temperature under high pressure by adopting a continuous main body polymerization method, wherein the adopted continuous main body polymerization process effectively inhibits occurrence of gelling and implosion reaction in a main body polymerization process, ensures controllability of molecular weight of the polyacrylic acid printing ink resin, and prepares the polyacrylic acid printing ink resin with number-average molecular weight of 10000-70000. The polyacrylic acid printing ink disclosed by the invention has good solvent release property and printing adaptation.

Description

technical field [0001] The invention belongs to the field of printing ink, in particular to polyacrylic acid ink resin for printing and a preparation method thereof. Background technique [0002] In recent years, with the diversification of packaging requirements and the development of packaging technology, various plastic films have emerged as packaging materials. Plastic films for packaging often require printing for reasons of decoration or surface protection. Plastic gravure ink is a coloring material used for plastic packaging printing. [0003] In recent years, the ester-soluble and alcohol-soluble polyurethane plastic gravure inks that have appeared on the market have problems such as high price and poor wetting and dispersibility of pigments, which have affected the popularization and use of such products. [0004] In view of this, researchers are developing more and more alcohol-soluble acrylic ink resins. For example, Chinese patent CN101747475B discloses a synth...

Claims

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Application Information

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IPC IPC(8): C08F220/14C08F220/18C08F212/08C08F220/06C08F222/02C08F218/10C08F220/46C08F218/00C08F220/56C08F216/14C08F220/34C08F220/28C08F2/38C09D11/107
Inventor 王旭朋宋延林王丽李阳
Owner INST OF CHEM CHINESE ACAD OF SCI
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