A water-based ink with high adhesion for pvc printing

A water-based ink, high adhesion technology, applied in the direction of ink, applications, household utensils, etc., can solve the problems of not being widely used, surface effect problems, poor color fastness to light, etc., to reduce the difficulty of adhesion, improve adhesion, and moisten good moisture effect

Active Publication Date: 2020-11-17
GUANGDONG UNIV OF PETROCHEMICAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 2. Adhesion problem
Especially when applied to plastic substrates, it is more prone to poor adhesion
[0009] 3. Surface effect problem
It still has defects such as poor adhesion, poor color fastness to light, slow drying, and high viscosity, which prevent it from being widely used

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A high-adhesion water-based ink applied to PVC printing, comprising the following components by mass: 46 parts of water-based polyurethane-acrylic resin emulsion, 40 parts of deionized water, 7 parts of pigment, 2 parts of ammonia water, 1.5 parts of defoamer, 2 parts of auxiliary agents; the water-based polyurethane-acrylic resin emulsion is formed by emulsion polymerization of polyurethane emulsion and acrylic acid monomer, and in the polymerization process, silane coupling agent, sodium m-carboxybenzenesulfonate and graphene are added as emulsion polymerization assistants agent.

[0028] In this embodiment, the pigment is selected from organic pigments. The solid content of the polyurethane emulsion is 25%-35%. In the water-based polyurethane-acrylic resin emulsion, 5 parts of silane coupling agent, 5 parts of sodium m-carboxybenzenesulfonate and 2 parts of graphene were added based on 100 parts by mass. The pH value of the high adhesion water-based ink is 8.0-9.0....

Embodiment 2

[0030] A high-adhesion water-based ink applied to PVC printing, comprising the following components by mass: 42 parts of water-based polyurethane-acrylic resin emulsion, 35 parts of deionized water, 17 parts of pigment, 1.5 parts of ammonia water, 1 part of defoamer, 3 parts of auxiliary agents; the water-based polyurethane-acrylic resin emulsion is formed by emulsion polymerization of polyurethane emulsion and acrylic monomer, and in the polymerization process, silane coupling agent, sodium m-carboxybenzenesulfonate and graphene are added as emulsion polymerization assistants agent.

[0031] In this embodiment, the pigment is selected from inorganic pigments. The solid content of the polyurethane emulsion is 25%-35%. In the aqueous polyurethane-acrylic resin emulsion, 3.5 parts of silane coupling agent, 3 parts of sodium m-carboxybenzenesulfonate and 5 parts of graphene were added based on 100 parts by mass. The pH value of the high adhesion water-based ink is 8.0-9.0. The...

Embodiment 3

[0033] A high-adhesion water-based ink applied to PVC printing, comprising the following components by mass: 38 parts of water-based polyurethane-acrylic resin emulsion, 40 parts of deionized water, 12 parts of pigment, 1 part of ammonia water, 2 parts of defoaming agent, 2.5 parts of auxiliary agents; the water-based polyurethane-acrylic resin emulsion is formed by emulsion polymerization of polyurethane emulsion and acrylic acid monomer, and in the polymerization process, silane coupling agent, sodium m-carboxybenzenesulfonate and graphene are added as emulsion polymerization assistants agent.

[0034] In this embodiment, the pigment is selected from organic pigments and inorganic pigments. The solid content of the polyurethane emulsion is 25%-35%. In the water-based polyurethane-acrylic resin emulsion, 2 parts of silane coupling agent, 8 parts of sodium m-carboxybenzenesulfonate and 3.5 parts of graphene were added based on 100 parts by mass. The pH value of the high adhe...

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PUM

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Abstract

The invention relates to high-adhesion-force waterborne ink applied to PVC printing, which includes, by mass, 38-46 parts of aqueous polyurethane-acrylic resin emulsion, 35-45 parts of deionized water, 7-17 parts of a pigment, 1-2 parts of ammonia water, 1-2 parts of a defoamer and 2-3 parts of an additive. The aqueous polyurethane-acrylic resin emulsion is prepared from polyurethane emulsion and an acrylic monomer through emulsion polymerization, wherein during polymerization, a silane coupling agent, sodium m-carboxylbenzenesulfonate and graphene are added as emulsion polymerization additives. The waterborne ink has high adhesion force, small contact angle, good wetting property and low cost when being applied to PVC printing.

Description

technical field [0001] The invention relates to a high-adhesion water-based ink applied to PVC printing, and belongs to the technical field of water-based inks. Background technique [0002] Water-based ink has some characteristics different from other inks due to its own water solvent characteristics, and has the following advantages: [0003] 1. Green and environmental protection. Water-based ink does not use organic volatile solvents and contains almost no volatile organic compounds (VOC). This greatly improves the ink manufacturing and printing operation environment, and ensures the health of operators and end product users. [0004] 2. Printing characteristics. Water-based ink is relatively stable, and it is not easy to corrode the plate roller. The plate roller is easy to clean after printing, and it is suitable for most printing methods. [0005] 3. Security. Water-based ink does not contain organic solvents, the water-based system is relatively stable, and there...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/107C09D11/03
CPCC09D11/03C09D11/107
Inventor 盘茂森刘好葛雅莉莫才颂马李李玲李石栋
Owner GUANGDONG UNIV OF PETROCHEMICAL TECH
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