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A kind of composite elastic brushed exterior wall latex paint composition composed of silica sol-polyacrylate emulsion

A technology of latex paint and silica sol, which is applied in latex paint, coating, etc.

Inactive Publication Date: 2011-12-28
ANHUI INST OF BUILDING RES & DESIGN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortcomings of the current synthetic resin emulsion type exterior wall brushed latex paint and solve existing problems, the present invention provides a new polymer emulsion-silica sol composite exterior wall brushed latex paint

Method used

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  • A kind of composite elastic brushed exterior wall latex paint composition composed of silica sol-polyacrylate emulsion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Silica sol 5%~15%

[0021] Cellulose ether 0.05%~1.00%

Embodiment 2

[0023] Silica sol 5%~15%

[0024] pH adjuster 0.05%~0.40%

[0025] OP-10 emulsifier 0.05%~0.60%

Embodiment 3

[0027] Silica sol 5%~15%

[0028] pH adjuster 0.05%~0.40%

[0029] OP-10 emulsifier 0.05%~0.60%

[0030] Cellulose ether 0.05%~1.00%

[0031] The polymer emulsion used in the embodiment is an elastic polyacrylate emulsion, and the dispersant is an anionic dispersant commonly used in architectural coatings; the pigment is rutile titanium dioxide, and the filler is calcined kaolin and ground calcium carbonate; antifungal agent and The defoamer is a common product in water-based architectural coatings; the antifreeze is ethylene glycol or propylene glycol; the pH regulator is ammonia water; the cellulose ether is 80,000 cps hydroxyethyl methylcellulose (HEMC).

[0032] Performance comparison table of each example of brushed latex paint

[0033]

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PUM

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Abstract

The invention belongs to a brushed latex paint applied to building exterior wall decoration. The latex paint is made of elastic polymer emulsion and silica sol as main raw materials. In order to improve the heat resistance, stain resistance and aging resistance of the synthetic resin emulsion type exterior wall brushed latex paint, the present invention adds silica sol in the formula, so that the organic exterior wall brushed latex paint becomes an organic-inorganic composite latex paint. This composite brushed latex paint for exterior walls has the comprehensive performance advantages of heat resistance, stain resistance, aging resistance of inorganic coatings and high bonding strength of organic coatings, stable storage and good paintability. In order to solve the storage of the exterior wall brushed latex paint after adding silica sol, add ammonia (or AMP-95 multifunctional additive) and OP-10 emulsifier or commodity wetting agent in the formula; Construction performance, adding high-viscosity cellulose ether to the formula to replace the ordinary viscosity cellulose ether currently used in exterior wall brushed latex paint.

Description

Technical field: [0001] The invention belongs to a kind of architectural paint, in particular to a latex paint used for roughening construction of building exterior walls. The latex paint has a better decorative effect than general roughening exterior wall latex paints. The original synthetic resin emulsion type paint is transformed into an organic-inorganic composite type paint, which can significantly improve the heat resistance, stain resistance and aging resistance of the synthetic resin emulsion type exterior wall brushed latex paint. Background technique: [0002] Present exterior wall brushed latex paint is prepared with synthetic resin emulsion (polymer emulsion) as film-forming substance. Although this type of brushed latex paint has many performance characteristics, it has problems such as poor pollution resistance, poor weather resistance and poor heat resistance. Especially when the temperature is high, the synthetic resin emulsion type brushed latex paint has a...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D7/12C09D5/02
Inventor 徐峰徐永进顾皓
Owner ANHUI INST OF BUILDING RES & DESIGN
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