Environment-friendly waterborne coating for buildings and preparation method of environment-friendly waterborne coating

A water-based paint, construction technology, applied in epoxy resin paint, anti-corrosion paint, coating and other directions, can solve the problems of poor paint gloss, consumption of precious energy, indoor air pollution, etc., to achieve low cost and wide range of use. , the effect of simple production process

Inactive Publication Date: 2017-05-31
芜湖浩权建筑工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The molecule of polyvinyl alcohol contains a large number of hydroxyl functional groups, it forms a particularly delicate film, has poor air permeability, and easily absorbs water
resulting in a coating that is not waterproof
From ancient times to the present, both the raw material formula of the paint and the process of the ingredients have been improved countless times, but they are still unsatisfactory. At least there are the following

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0023] A preparation method of environmentally-friendly building water-based paint includes the following steps:

[0024] S1: Add 19 parts of talc powder, 13 parts of water glass, 18 parts of double fly powder, 14 parts of titanium dioxide, and 19 parts of emulsified epoxy resin into the mixer, add water and stir evenly, add 28 parts of water-soluble acrylate polymer and , Stir while adding, slowly heat to 26℃, stir for 13min;

[0025] S2: Add 3 parts of plasticizer, 6 parts of auxiliary agent, 4 parts of curing agent, 4 parts of defoamer, 4 parts of leveling agent, and 16 parts of water to the mixed solution obtained in step S1, and react for 2 hours;

[0026] S3: Stir the mixed solution obtained in step S2 at a high speed of 400r / min for 18 minutes, stir evenly, and adjust the viscosity.

Example Embodiment

[0027] Example 1:

[0028] A preparation method of environmentally-friendly building water-based paint includes the following steps:

[0029] S1: Add 18-25 parts of talc powder, 10-15 parts of water glass, 15-20 parts of double fly powder, 10-15 parts of titanium dioxide, 15-25 parts of emulsified epoxy resin into the mixer, add water and stir evenly, Add 25-35 parts of water-soluble acrylate polymer and stir while adding, heat slowly at 20-30℃, and stir for 10-15min;

[0030] S2: Add 2-4 parts of plasticizer, 5-8 parts of additives, 3-6 parts of curing agent, 4-6 parts of defoaming agent, 2-5 parts of leveling agent, and water to the mixed solution obtained in step S1. 15-25 parts, reaction for 2-3h;

[0031] S3: Stir the mixed solution obtained in step S2 at a high speed of 300-500r / min for 15-25min, stir evenly, and adjust the viscosity.

Example Embodiment

[0032] Example 2:

[0033] A preparation method of environmentally-friendly building water-based paint includes the following steps:

[0034] S1: Add 25 parts of talc powder, 15 parts of water glass, 15 parts of double fly powder, 10 parts of titanium dioxide, 25 parts of emulsified epoxy resin into the mixer, add water and stir evenly, then add 35 parts of water-soluble acrylate polymer and , Stir while adding, slowly heat to 20℃, stir for 10min;

[0035] S2: Add 2 parts of plasticizer, 5 parts of auxiliary agent, 3 parts of curing agent, 6 parts of defoamer, 5 parts of leveling agent, and 15 parts of water to the mixed solution obtained in step S1, and react for 2 hours;

[0036] S3: Stir the mixed solution obtained in step S2 at a high speed of 500 r / min for 15 minutes, stir evenly, and adjust the viscosity.

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PUM

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Abstract

The invention discloses an environment-friendly waterborne coating for buildings and a preparation method of the environment-friendly waterborne coating. The environment-friendly waterborne coating is prepared from 25-35 parts of a water-soluble acrylate polymer, 20-30 parts of light calcium carbonate, 18-25 parts of talcum powder, 10-15 parts of sodium silicate, 15-20 parts of heavy calcium carbonate powder, 10-15 parts of titanium dioxide, 15-25 parts of emulsified epoxy resin, 2-4 parts of a plasticizer, 5-8 parts of auxiliaries, 3-6 parts of a curing agent, 4-6 parts of a defoaming agent, 2-5 parts of a leveling agent and 15-25 parts of water. The obtained waterborne coating is non-toxic, pollution-free and environment-friendly; the adhesive force is 0-level, and the environment-friendly waterborne coating is not prone to falling off, is high in corrosion resistance and shock strength and has good covering power and good comprehensive performance; the production technology is simple, the use range is wide, the cost is low, and industrial production is facilitated.

Description

technical field [0001] The invention relates to the technical field of architectural paint production, in particular to an environment-friendly architectural water-based paint and a preparation method thereof. Background technique [0002] Powder coating is a new type of solvent-free, 100% solids powder coating. It has the characteristics of no solvent, no pollution, saving energy and resources, reducing labor intensity and high mechanical strength of the coating film. It has two categories: thermoplastic powder coating and thermosetting powder coating. Thermoplastic powder coatings are composed of thermoplastic resins, pigments, fillers, plasticizers and stabilizers. Thermoplastic powder coatings include: polyethylene, polypropylene, polyester, polyvinyl chloride, chlorinated polyether, polyamide, cellulose, polyester. Thermosetting powder coatings are composed of thermosetting resins, curing agents, pigments, fillers and additives. Thermosetting powder coatings inclu...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D163/00C09D7/12C09D5/08
CPCC09D133/04C08K2201/014C09D5/08C09D7/61C09D7/63C09D7/65C09D163/00C08L63/00C08K13/02C08K2003/265C08K3/34C08K5/12C08K5/17C08L33/04
Inventor 胡圣武
Owner 芜湖浩权建筑工程有限公司
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