An interior wall putty powder that reduces the content of PM2.5 in the air

A technology for interior wall putty powder and content, applied to the field of interior wall putty powder, can solve the problem of low ability to absorb formaldehyde, and achieve the effects of strong adsorption and degradation ability, protection of human health and high strength

Inactive Publication Date: 2017-10-20
JIANGXI KEYANG ENG MATERIAL TECH CO LTD
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Problems solved by technology

The Chinese invention patent application with the publication number CN104559406A discloses a "special putty for ceramic tile surface that absorbs formaldehyde and high cohesive force and its preparation method". The putty can absorb indoor formaldehyde and other harmful substances, but the main function of the putty is to improve The adhesion to the surface of the tiles, its ability to absorb formaldehyde is not high, people hope to have a kind of interior wall putty powder that can effectively reduce the indoor PM2.5 content

Method used

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Embodiment 1

[0018] An interior wall putty powder for reducing the PM2.5 content in the air, which is composed of a premix dispersion and additives in a weight ratio of 90:10, characterized in that the premix dispersion is composed of the following raw materials in parts by weight : 25 parts of white Portland cement, 30 parts of heavy calcium carbonate, 12 parts of diatomite, 12 parts of bentonite, 11 parts of sepiolite; the auxiliary agent is composed of the following raw materials in parts by weight: hydroxypropyl methylcellulose 1 part of prime, 7 parts of polymer redispersible latex powder, 1 part of polypropylene short fiber, and 1 part of defoamer. The strength label of the white Portland cement is No. 42.5. The fineness of the heavy calcium carbonate is 325-400 mesh. The silicon dioxide content in the diatomite is 70%-80%. The bentonite is sodium bentonite. The sepiolite has a fineness of 325-1250 mesh and a pH value of 7-9. The nominal viscosity (mPa.S) of the hydroxypropyl met...

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Abstract

The present invention provides an interior wall putty powder for reducing content of PM 2.5 in air, and relates to the technical field of building materials. The interior wall putty powder consists of a premixed substance dispersion and an auxiliary; the premixed substance dispersion consists of white portland cement, ground calcium carbonate, diatomite, bentonite, and sepiolite; and the auxiliary consists of hydroxypropyl methylcellulose, polymer dispersible latex powders, polypropylene staple fibers, a defoamer. The diatomite, sepiolite and bentonite in the formula provided by the present invention can automatically adjust the humidity of an indoor environment, have functions of degradation of harmful and toxic gas, smoke and odor, purification and the like, and have a strong cation exchange function, thereby refreshing indoor air.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to an interior wall putty powder for reducing the content of PM2.5 in the air. Background technique [0002] Putty powder is a surface filling and modifying material for pretreatment of the construction surface. The main purpose is to fill the pores of the construction surface and correct the curve deviation and pockmarked surface of the construction surface, so as to make a good foundation for obtaining a uniform and smooth paint surface on the construction surface. , mainly used for plane decoration of various structural layers of concrete and block base. Putty powder is divided into two types: exterior wall putty and interior wall putty. Exterior wall putty can resist wind and sun, so it has good gelation, high strength, and slightly low environmental index; interior wall putty has a good comprehensive index, and is healthy and environmentally friendly. However, with ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D5/34C09D5/00C04B28/04C04B16/06C04B24/38C04B14/08
Inventor 潘白日
Owner JIANGXI KEYANG ENG MATERIAL TECH CO LTD
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