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A kind of water-based paint that can be painted by ed and sprayed and its preparation method

A water-based paint and coating technology, used in anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of complex recycling and low utilization rate of spray paint, and achieve complex recycling, convenient painting, and reduce energy saving. row effect

Active Publication Date: 2016-06-29
HAOLISEN COATING SHANGHAI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the deficiencies of the prior art, the present invention provides a water-based paint capable of both ED painting and spraying and a preparation method thereof. The product of the present invention is a single-component paint, and the paint utilization rate reaches more than 95%, which solves the problem of spray paint utilization rate. The problem of low cost and complex recycling, the two coating methods have no effect on performance, greatly reduce the cost of coating and energy saving and emission reduction, and have very good social benefits

Method used

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  • A kind of water-based paint that can be painted by ed and sprayed and its preparation method
  • A kind of water-based paint that can be painted by ed and sprayed and its preparation method
  • A kind of water-based paint that can be painted by ed and sprayed and its preparation method

Examples

Experimental program
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Effect test

Embodiment 1

[0025] 1) The thermoplastic elastomer modified anionic acrylic resin formula:

[0026]

[0027] Mix methacrylic acid, hydroxyethyl acrylate, methyl methacrylate, isooctyl acrylate, styrene, and benzoyl peroxide evenly according to the formula to obtain a mixed liquid a, which is ready for use;

[0028] Mix azobisisobutyronitrile and methyl isobutyl ketone evenly according to the formula to obtain mixed solution b, which is ready for use;

[0029] Add propylene glycol monobutyl ether, isobutanol and SBS (block copolymer of styrene and butadiene) into a reaction vessel with a stirrer and a condenser according to the formula amount, blow nitrogen, raise the temperature to 100°C, and start to add dropwise Mixed liquid a, keep it warm for 1 hour after dropping it for 3 hours, then add the mixed solution b dropwise, drop it for half an hour, then raise the temperature to 110°C and keep it for 2 hours, then cool down to below 45°C and discharge to obtain the thermoplastic elastome...

Embodiment 2

[0038] 1) The thermoplastic elastomer modified anionic acrylic resin formula:

[0039]

[0040]

[0041]Mix methacrylic acid, hydroxyethyl acrylate, methyl methacrylate, isooctyl acrylate, styrene, and benzoyl peroxide evenly according to the formula to obtain a mixed liquid a, which is ready for use;

[0042] Mix azobisisobutyronitrile and methyl isobutyl ketone evenly according to the formula to obtain mixed solution b, which is ready for use;

[0043] Add propylene glycol monobutyl ether, isobutanol and SBS (block copolymer of styrene and butadiene) into a reaction vessel with a stirrer and a condenser according to the formula amount, blow nitrogen, raise the temperature to 100°C, and start to add dropwise Mixed liquid a, keep it warm for 1 hour after dropping it for 3 hours, then add the mixed solution b dropwise, drop it for half an hour, then raise the temperature to 110°C and keep it for 2 hours, then cool down to below 45°C and discharge to obtain the thermoplast...

Embodiment 3

[0052] 1) The thermoplastic elastomer modified anionic acrylic resin formula:

[0053]

[0054]

[0055] Mix methacrylic acid, hydroxyethyl acrylate, methyl methacrylate, isooctyl acrylate, styrene, and benzoyl peroxide evenly according to the formula to obtain a mixed liquid a, which is ready for use;

[0056] Mix azobisisobutyronitrile and methyl isobutyl ketone evenly according to the formula to obtain mixed solution b, which is ready for use;

[0057] Add propylene glycol monobutyl ether, isobutanol and SBS (block copolymer of styrene and butadiene) into a reaction vessel with a stirrer and a condenser according to the formula amount, blow nitrogen, raise the temperature to 100°C, and start to add dropwise Mixed liquid a, keep it warm for 1 hour after dropping it for 3 hours, then add the mixed solution b dropwise, drop it for half an hour, then raise the temperature to 110°C and keep it for 2 hours, then cool down to below 45°C and discharge to obtain the thermoplas...

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Abstract

The invention relates to water-based paint suitable for both ED coating and spray coating and a preparing method thereof. The paint is of a one-component type and is composed of, by weight, 18-36 parts of modified anion acrylic resin provided with thermoplastic elastomer, 4-9 parts of blocked isocyanate curing agent, 0.2-0.6 part of neutralizer, 16-32 parts of pigment and filler, 0.4-0.8 part of water-based leveling agent, 0.2-0.5 part of water-based thickener and 21.1-61.2 parts of deionized water. The fineness of the paint is smaller than or equal to 15 micrometers. The paint is suitable for both ED coating and spray coating, the utilization rate of the paint is over 95%, the problem that spray paint is low in utilization rate and hard to recycle is solved, the two coating methods do not affect film property, coating cost is reduced greatly, energy is saved, emission is reduced, and the social effect is quite good.

Description

[technical field] [0001] The invention belongs to the technical field of water-based paints and preparation methods, and relates to a water-based paint capable of both ED coating and spraying and a preparation method thereof. [Background technique] [0002] At this stage, when water-based coatings are gradually replacing organic solvent-based coatings, coating methods with high paint rates such as electrophoretic coating and electrostatic spraying are generally used, and efforts are being made to develop recycling and reuse technologies for waste water-based coatings to achieve coatings. Take full advantage. The utilization rate of electrophoretic paint can reach more than 95%. Even in the most ideal situation, more than 10% of the overspray paint mist will scatter when electrostatic spraying is used. If manual spraying is used, at least 50% of the overspray paint mist will scatter. Lose. Therefore, how to recover the scattered paint mist, make it recycle, improve the util...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/04C09D133/04C09D7/12C09D5/08C08F220/14C08F220/18C08F220/28C08F220/06C08F212/08C08G18/80
Inventor 孔凡桃刘薇薇周贤赵颖方娟娟李金伟张春香
Owner HAOLISEN COATING SHANGHAI