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Preparation method of integrated plastic gravure alcohol-soluble aqueous composite ink resin

An ink resin and alcohol-based technology, applied in the field of integrated plastic gravure alcohol-based composite ink resin and its preparation, can solve the problems of poor compatibility of ester-soluble laminating adhesive, inability to withstand high temperature boiling, low composite strength, etc. , to achieve the effect of good printing effect, high composite strength and strong adaptability

Active Publication Date: 2012-08-01
CHENGDU XINJIN TUOZHAN PRINTING INK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the single-liquid alcohol-water-based composite ink prepared with polyacrylate as the resin binder is mainly suitable for BOPP plastic film substrates and alcohol-soluble laminating adhesives due to the weak polarity of polyacrylate molecules. When used on the surface, the adhesion is poor, and the compatibility with the ester-soluble laminating adhesive is poor, the composite strength is low, and it cannot withstand high-temperature boiling at 98°C; while polyurethane is a single-liquid alcohol prepared by resin binder. Water-based composite ink, due to the strong polarity of polyurethane molecules, is mainly suitable for PET plastic film substrates and ester-soluble laminating adhesives, which have good high temperature resistance; when used on BOPP plastic film substrates, the adhesion is poor , and has poor compatibility with alcohol-soluble laminating adhesive, and the composite strength is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Dry the 500ml four-necked bottle, stirrer, feeding tube and other instruments at 120°C for 2 hours, take it out and place it in a desiccator to cool. Add 85.5 g of isophordione diisocyanate (IPDI) to a 500 ml four-necked bottle with a stirrer and a thermometer, heat to 50° C. under stirring, add 0.03 g of dibutyltin dilaurate, stir and mix for 10 minutes, and then 50.0 g of hydroxypropyl acrylate was added dropwise. After reacting at 50° C. for 3 hours, 153.9 g of polyester diol with a molecular weight of 400 was added, and the reaction was continued at 50° C. for 4 hours. Then cool to 30° C. and discharge to obtain a polymerizable polyurethane macromonomer.

[0035] Add 2.5g of azobisisobutyronitrile, 120g of ethyl acetate and 130g of absolute ethanol into the reactor, stir evenly, then heat up to 75°C; Polyurethane macromonomer, butyl acrylate of 75g, vinyl acetate of 50g, hydroxyethyl acrylate of 25g are evenly mixed to form) and initiator solution (by the azobisis...

Embodiment 2

[0037]Dry the 500ml four-necked bottle, stirrer, feeding tube and other instruments at 120°C for 2 hours, take it out and place it in a desiccator to cool. Add 95.8 g of isophordione diisocyanate (IPDI) to a 500 ml four-necked bottle with a stirrer and a thermometer, heat to 60° C. under stirring, add 0.06 g of dibutyltin dilaurate, stir and mix for 15 minutes, and then 50.0 g of hydroxyethyl acrylate was added dropwise. After reacting at 60°C for 1 hour, 172.4 g of polyester diol with a molecular weight of 400 was added, and the reaction was continued at 60°C for 2 hours. Then cool to 30° C. and discharge to obtain a polymerizable polyurethane macromonomer.

[0038] Add 2.0 g of benzoyl peroxide, 100 g of ethyl acetate and 60 g of absolute ethanol into the reactor, stir evenly, then heat up to 80°C; Polyurethane macromonomer, ethyl acrylate of 50g, vinyl acetate of 60g, acrylamide of 30g are uniformly mixed) and initiator solution (by the benzoyl peroxide of 2.0g, the benzo...

Embodiment 3

[0040] Dry the 500ml four-necked bottle, stirrer, feeding tube and other instruments at 120°C for 2 hours, take it out and place it in a desiccator to cool. Add 85.5 g of isophordione diisocyanate (IPDI) to a 500 ml four-necked bottle with a stirrer and a thermometer, heat to 50° C. under stirring, add 0.08 g of dibutyltin dilaurate, stir and mix for 10 minutes, and then 50.0 g of hydroxypropyl acrylate was added dropwise. After reacting at 50°C for 1 hour, 230.8 g of polyester diol with a molecular weight of 600 was added, and the reaction was continued at 50°C for 45 hours. Then cool to 30° C. and discharge to obtain a polymerizable polyurethane macromonomer.

[0041] Add 1.2g of azobisisobutyronitrile, 200g of ethyl acetate and 100g of absolute ethanol into the reaction kettle, stir evenly, then heat up to 80°C; Polyurethane macromonomer, 80g of butyl acrylate, 60g of vinyl acetate, 40g of acrylic acid are uniformly mixed) and initiator solution (by 1.2g of azobisisobutyr...

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PUM

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Abstract

The invention relates to a resin for plastic gravure composite ink, in particular to an integrated plastic gravure alcohol-soluble aqueous composite ink resin and a preparation method thereof. In the preparation method of the integrated plastic gravure alcohol-soluble aqueous composite ink resin for gravure, the integrated plastic alcohol-soluble aqueous composite ink resin is obtained by polymerizing the raw materials of a polymerizable polyurethane macromonomer, (methyl) acrylic ester, vinylacetate and active functional monomer through solution radicals. Due to the introduction of a polyurethane chain, the ink has favorable adhesive force on various plastic film substrates (BOPP (Biaxially-oriented Polypropylene), PET (Polyethylene Terephthalate), PA (Polyamide), PVC (Polyvinyl Chloride), PE (Poly Ethylene), PC (Polycarbonate) and the like), good printing adaptability and high composite strength, adapts to various laminating glues (ester-soluble type, alcohol-soluble type), and can be boiled in water with the high temperature of 98 DEG C. The preparation method of the plastic gravure composite ink resin is simple, the prepared ink has good printing effect and strong adaptability, realizes the integrated adaption of the substrates and the laminating glues, and can be used for printing various plastic substrates; without using crosslinking components, the ink can be boiled in water with the high temperature of 98 DEG C and has the advantages of convenience in operation and high composite strength; the resin has alcohol solubility, economy, environmental protection and wideapplication prospect in the field of plastic gravure composite inks.

Description

technical field [0001] The invention relates to a resin for plastic gravure composite ink, in particular to an integrated plastic gravure alcohol-water composite ink resin and a preparation method thereof. technical background [0002] In recent years, with the continuous improvement of people's living standards, it not only drives the rapid growth of the packaging industry, but also promotes the continuous development of plastic gravure ink technology and market. At present, plastic gravure ink has been widely used in plastic packaging, such as various plastic film substrate packaging in food, medicine, agricultural and sideline products, daily necessities and other industries, and its application range covers almost all packaging fields. In order to adapt to the pursuit of "green and environmental protection" in social development, plastic gravure ink companies and related research institutions have been committed to the research and development of "green" inks in recent y...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F290/06C09D11/10C09D11/107
Inventor 付勇金勇
Owner CHENGDU XINJIN TUOZHAN PRINTING INK
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