Nano-external wall paint and its production method

A kind of exterior wall coating, nanotechnology, applied in the direction of coating, latex paint, etc., can solve the problems of high price of high-grade coatings and the inability to popularize and apply them in a large area

Inactive Publication Date: 2005-08-10
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a nano-scale exterior wall paint and its production method, to solve the problem of applying fly ash in the paint, improving the adhesion, scrub resistance, alkali resistance, water resistance, aging resistance and pollution resistance of architectural paint. Performance technical problems; and solve the problem that the price of advanced coatings is too high and cannot be widely applied

Method used

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  • Nano-external wall paint and its production method
  • Nano-external wall paint and its production method

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Embodiment 1

[0039] Embodiment one: the calcium silicate hydrate nano exterior wall paint of the present invention contains the following components calculated by mass percentage:

[0040] Pure acrylic emulsion: any value between 32.0 and 34.5%;

[0041] Pigment: Any value between 4.39% and 5.50%;

[0042] Talc powder: any value between 5.6% and 6.8%;

[0043] Calcium silicate hydrate powder: any value between 8.85% and 10.25%;

[0044] Coalescing aids: any value between 0.25% and 0.75%;

[0045]Defoamer: any value between 0.3% and 0.9%;

[0046] Water: any value between 41.3% and 48.6%.

[0047] The above-mentioned acrylic film-forming emulsion can be pure acrylic emulsion, styrene-acrylic emulsion or silicone-acrylic emulsion. This ratio uses pure acrylic emulsion, for example: XG-2002 construction emulsion adhesive.

[0048] Above-mentioned film-forming aid can be propylene glycol butyl ether or - propylene glycol methyl ether acetate. This proportion adopts propylene glycol buty...

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Abstract

A nano-paint for external wall is proportionally prepared from filming acrylic acid emulsion, pigment, talk powder, filming aid, defoaming agent, water and the hydrated calcium silicate powder which is prepared from flyash and calcium lime by dynamic hydrothermal synthesis method.

Description

(1) Technical field [0001] The invention relates to an architectural coating and a production method thereof. (two), background technology [0002] Existing architectural coatings generally contain film-forming emulsions (base materials), pigments, fillers, film-forming aids, defoamers, and water, among which the fillers are mostly inert substances such as talcum powder. Existing fillers such as talcum powder mainly play a covering role, and the performance of the coating mainly depends on the performance of the base material. At present, the research on high-performance coatings at home and abroad mainly focuses on the use of base materials with excellent properties, but often because of their high prices, they cannot be mass-produced and applied. Due to the limitations of the existing base materials, the adhesion, scrub resistance, alkali resistance, water resistance, aging resistance and pollution resistance of the existing architectural coatings are not satisfactory and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/02C09D133/00
Inventor 彭小芹蒲心诚王冲吴建华
Owner CHONGQING UNIV
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