An antibacterial and mildew-proof bi for degrading formaldehyde 2 o 3 / Shell powder composite sound-absorbing panel

Abstract

The invention discloses an antibacterial and mildewproof Bi2O3 / shell powder compound sound absorption plate capable of degrading formaldehyde. The antibacterial and mildewproof Bi2O3 / shell powder compound sound absorption plate is prepared from the following components in parts by weight: 5 to 20 parts of a Bi2O3 / shell powder compound material, 20 to 40 parts of slag, 3 to 15 parts of perlite, 5 to 18 parts of coal ash, 1 to 5 parts of glass powder, 0.2 to 5 parts of a foaming agent, 2 to 15 parts of a cosolvent and 2 to 8 parts of a foam stabilizer. A preparation method of the sound absorption plate comprises the following steps: preparation of coarse shell powder, preparation of coarse shell powder, preparation of nano shell powder, preparation of a Bi2O3 / shell powder compound material and preparation of the compound sound absorption plate. The antibacterial and mildewproof Bi2O3 / shell powder compound sound absorption plate capable of degrading the formaldehyde has the beneficial effects that the sound absorption plate disclosed by the invention can absorb and stop noise, is good in sound absorption effect, has excellent antibacterial, mildewproof, anti-fouling performance, has the effects of adsorbing and decomposing the formaldehyde, benzene, TVOCs (total volatile organic compounds) and ammonia gas, and can release negative oxygen ions and infrared rays. The compound soundabsorption plate is high in percentage of close area, has no collapse phenomenon, and provides a new way for development and utilization of shell resources.

Description

technical field [0001] The invention relates to the technical field of environmental protection materials, in particular to a Bi 2 o 3 / Shell powder composite sound-absorbing panels. Background technique [0002] Sound-absorbing panels refer to plate-shaped materials with sound-absorbing and noise-reducing effects, which are mainly used in theaters, concert halls, museums, exhibition halls, libraries, interrogation rooms, galleries, auction halls, gymnasiums, lecture halls, multi-functional halls, and hotel lobbies Hospitals, shopping malls, schools, piano rooms, conference rooms, studios, recording studios, KTV private rooms, bars, industrial plants, computer rooms, home noise reduction and other places that require high acoustic environment and high-end decoration. The commonly used gypsum board is a kind of building material with light weight, high strength, thin thickness, convenient processing, sound absorption, heat insulation and fire resistance. It is one of the n...

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