Preparation method of coating for building outer wall

A technology for building exterior walls and coatings, which is applied in the field of preparing coatings for building exterior walls, can solve the problem that the performance of moss on the walls needs to be improved, and achieves improved bonding firmness and dispersion uniformity, improved mechanical strength, and good adsorption performance. Effect

Inactive Publication Date: 2018-11-02
HEFEI ZEJUN ELECTRICAL EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The obtained exterior wall paint has good toughness and waterproof effect, but the performance of wall surface noise reduction, decontamination, sterilization and avoiding wall moss needs to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] This embodiment relates to a preparation method of a coating for building exterior walls;

[0039] The preparation method of described architectural exterior wall coating, comprises the steps:

[0040] (1) Prepare the following components by weight according to the following ratio:

[0041]50 parts of acrylic elastic emulsion, 28 parts of fluorocarbon emulsion, 20 parts of polydimethylsiloxane, 2.6 parts of graphene, 16 parts of anti-mildew and anti-algae agent, 8 parts of anti-insect additive, 10 parts of microporous calcium carbonate, modified bump 11 parts of palygorskite clay, 6 parts of vitrified microbeads, 15 parts of high-viscosity attapulgite clay, 5 parts of nano-zinc oxide, 6 parts of nano-titanium dioxide, 3 parts of defoaming agent, and 6 parts of film-forming agent;

[0042] (2) Weigh the acrylic elastic emulsion, fluorocarbon emulsion, and polydimethylsiloxane into the reaction kettle, heat up to 90°C while stirring, and react at constant temperature for...

Embodiment 2

[0058] This embodiment relates to a preparation method of a coating for building exterior walls;

[0059] The preparation method of described architectural exterior wall coating, comprises the steps:

[0060] (1) Prepare the following components by weight according to the following ratio:

[0061] 46 parts of acrylic elastic emulsion, 20 parts of fluorocarbon emulsion, 15 parts of polydimethylsiloxane, 1.2 parts of graphene, 9 parts of anti-mold and anti-algae agent, 5 parts of anti-insect additive, 6 parts of microporous calcium carbonate, modified concave-convex 7 parts of palygorskite clay, 3 parts of vitrified microbeads, 10 parts of high-viscosity attapulgite clay, 3 parts of nano-zinc oxide, 5 parts of nano-titanium dioxide, 2 parts of defoamer, 4 parts of film-forming agent;

[0062] (2) Weigh acrylic elastic emulsion, fluorocarbon emulsion, and polydimethylsiloxane in proportion to the reaction kettle, heat up to 80°C while stirring, and react at constant temperature ...

Embodiment 3

[0078] This embodiment relates to a preparation method of a coating for building exterior walls;

[0079] The preparation method of described architectural exterior wall coating, comprises the steps:

[0080] (1) Prepare the following components by weight according to the following ratio:

[0081] 58 parts of acrylic elastic emulsion, 30 parts of fluorocarbon emulsion, 22 parts of polydimethylsiloxane, 3.8 parts of graphene, 18 parts of anti-mold and anti-algae agent, 10 parts of anti-insect additive, 15 parts of microporous calcium carbonate, modified bump 13 parts of palygorskite clay, 9 parts of vitrified microbeads, 16 parts of high-viscosity attapulgite clay, 6 parts of nano-zinc oxide, 9 parts of nano-titanium dioxide, 5 parts of defoaming agent, and 8 parts of film-forming agent;

[0082] (2) Weigh the acrylic elastic emulsion, fluorocarbon emulsion, and polydimethylsiloxane into the reaction kettle, heat up to 90°C while stirring, and react at constant temperature for...

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PUM

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Abstract

The invention provides a preparation method of coating for a building outer wall. The preparation method comprises the following steps: performing the modification reaction on acrylic elastic emulsion, fluorine-carbon emulsion, polydimethylsiloxane and graphene, then adding a mould-proof algae-control agent, an anti-insect additive, microporous calcium carbonate, modified attapulgite clay, glass beads, high-viscosity attapulgite clay, nano zinc oxide, nano titanium dioxide, a defoaming agent, and a film forming agent, sufficiently and uniformly mixing and dispersing, thus obtaining the coating. The preparation method of the coating for the building outer wall is simple in process, safe and pollution-free; and the prepared coating is not only resistant to abrasion, water, aging and pollution, but also is good in adhesion and mould-proof and anti-insect effect and suitable for popularization and application.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a method for preparing a coating for building exterior walls. Background technique [0002] With the continuous development and refinement of the domestic coatings industry, the market's demand for special functional coatings is becoming more and more urgent. In recent years, buildings have gradually increased their requirements for waterproof, anti-corrosion, aging resistance, flame retardant, and noise reduction. In order to meet the requirements of the construction industry for special coatings, it is of great significance to produce high-performance, multi-purpose functional coatings. . [0003] At present, the coatings used in buildings are mainly divided into waterproof coatings and anti-corrosion coatings, which have the functions of waterproof, anti-seepage and anti-corrosion respectively. In practical applications, coatings are often required to have both waterproof a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/10C09D5/16C09D5/14C09D5/08C09D5/32C09D7/61C09D7/62C08G77/42C08G77/442
CPCC08G77/42C08G77/442C08K2003/2241C08K2003/2296C08K2201/011C09D5/08C09D5/14C09D5/1675C09D5/1687C09D5/32C09D183/10C08K13/06C08K9/02C08K3/042C08K3/346C08K7/24C08K3/22C08K9/12C08K5/0058
Inventor 徐仙峰
Owner HEFEI ZEJUN ELECTRICAL EQUIP CO LTD
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