Water-soluble polymer copolycondensation resin, resin preparation method and application thereof

A technology of water-soluble polymer and copolycondensation resin, which is applied in the field of chemical coatings to achieve the effect of strong adhesion, improved adhesion and improved water resistance and weather resistance

Inactive Publication Date: 2018-12-18
ANQING LINGHU PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is still room for improvement in the hardness, adhesion, gasoline resistance and other properties of water-based aluminum alloy baking varnishes currently on the market

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A water-soluble macromolecular polycondensation resin, comprising the following materials by weight:

[0025] 3.3 parts of acrylic acid, 3.0 parts of 2-hydroxyethyl methacrylate, 7 parts of styrene, 9 parts of methyl methacrylate, 7.0 parts of butyl acrylate, 3 parts of isobornyl methacrylate, n-butyl methacrylate 4 parts, 3 parts of epoxy resin, 0.7 parts of benzoyl peroxide, 0.2 parts of thioethanol, 3.5 parts of N,N dimethylethanolamine, 45 parts of mixed solvent, 7 parts of deionized water.

[0026] The mixed solvent is formed by mixing ethylene glycol monobutyl ether and n-butanol in a volume ratio of 2:1.

[0027] The preparation method of this water-soluble macromolecule polycondensation resin comprises the following steps:

[0028] (1) Prepare 45 parts of mixed solvents; add 45 parts of mixed solvents into the reaction kettle with reflux condenser, mechanical stirrer, constant pressure dropping funnel and thermometer, add 3 parts of epoxy resin to make a primer...

Embodiment 2

[0033] A water-soluble macromolecular polycondensation resin, comprising the following materials by weight:

[0034] 3.5 parts of acrylic acid, 3.2 parts of 2-hydroxyethyl methacrylate, 8 parts of styrene, 9 parts of methyl methacrylate, 7.2 parts of butyl acrylate, 4 parts of isobornyl methacrylate, n-butyl methacrylate 4.5 parts, 4 parts of epoxy resin, 0.8 parts of benzoyl peroxide, 0.3 parts of thioethanol, 4 parts of N,N dimethylethanolamine, 47 parts of mixed solvent, and 10 parts of deionized water.

[0035] The mixed solvent is formed by mixing ethylene glycol monobutyl ether and n-butanol in a volume ratio of 2:1.

[0036] The preparation method of this water-soluble macromolecule polycondensation resin comprises the following steps:

[0037] (1) Prepare 47 parts of mixed solvents; 47 parts of mixed solvents are added to the reaction kettle with reflux condenser, mechanical stirrer, constant pressure dropping funnel and thermometer, add 4 parts of epoxy resin to make...

Embodiment 3

[0042] A water-soluble macromolecular polycondensation resin, comprising the following materials by weight:

[0043] 3.8 parts of acrylic acid, 3.5 parts of 2-hydroxyethyl methacrylate, 9 parts of styrene, 10 parts of methyl methacrylate, 7.5 parts of butyl acrylate, 5 parts of isobornyl methacrylate, n-butyl methacrylate 5 parts, 5 parts of epoxy resin, 0.9 parts of benzoyl peroxide, 0.5 parts of mercaptoethanol, 4.5 parts of N,N dimethylethanolamine, 50 parts of mixed solvent, and 12 parts of deionized water.

[0044] The mixed solvent is formed by mixing ethylene glycol monobutyl ether and n-butanol in a volume ratio of 2:1.

[0045] The preparation method of this water-soluble macromolecule polycondensation resin comprises the following steps:

[0046] (1) Prepare 50 parts of mixed solvents; add 50 parts of mixed solvents into the reaction kettle with reflux condenser, mechanical stirrer, constant pressure dropping funnel and thermometer, add 5 parts of epoxy resin to mak...

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PUM

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Abstract

The invention provides water-soluble polymer copolycondensation resin. The water-soluble polymer copolycondensation resin comprises the following raw materials in parts by weight: 3.3 to 3.8 parts ofacrylic acid, 3.0 to 3.5 parts of methacrylic acid-2-hydroxyethyl ester, 7 to 9 parts of styrene, 9 to 10 parts of methyl methacrylate, 7.0 to 7.5 parts of butyl acrylate, 3 to 5 parts of isobornyl methacrylate, 4 to 5 parts of n-butyl methacrylate, 3 to 5 parts of epoxy resin, 0.7 to 0.9 parts of benzoyl peroxide, 0.2 to 0.5 parts of thioethanol, 3.5 to 4.5 parts of N,N dimethylethanolamine, 45 to 50 parts of a mixed solvent, and 7 to 12 parts of deionized water. The water-soluble polymer copolycondensation resin is resistant to immersion in anhydrous ethanol, is resistant to boiling in waterand has strong adhesion, and can be used for preparing a water-based aluminum alloy baking varnish.

Description

technical field [0001] The invention relates to the technical field of chemical coatings, in particular to a water-soluble polymer co-condensation resin, a preparation method of the resin and an application thereof. Background technique [0002] With the increasing awareness of environmental protection and the corresponding introduction of environmental protection regulations in various countries, water-based coatings have become an important direction for the development of coatings. It can not only reduce solvent emissions in production, but also easily adjust the construction viscosity in an environmentally friendly manner. [0003] Water-based aluminum alloy baking paint uses water as the dispersion medium, completely eliminates the harm of organic solvents to the human body, and has incomparable advantages over traditional oil-based paints, such as health and environmental protection, low-carbon energy saving, high utilization rate, and good safety. Water-based aluminum...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F283/10C08F220/14C08F220/18C08F212/08C08F220/20C08F220/06C08F2/06C08F2/38
CPCC08F2/06C08F2/38C08F283/10C08F220/14
Inventor 张源
Owner ANQING LINGHU PAINT
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