Composite-polydopamine-membrane-modified regenerated EPS particle and portland cement composite foamed warming plate and preparation method thereof
A technology of Portland cement and polydopamine film, which is applied in the field of cement foam insulation board, can solve the problems of insufficient bonding strength, water resistance, aging resistance, affecting the performance of composite boards, and high rigidity of EPS particles, and achieve heat preservation Excellent effect, improved interface reactivity, and good application prospects
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[0012] A composite polydopamine film-coated modified regenerated EPS particle Portland cement composite foam insulation board, the foam insulation board is made of the following raw materials by weight: Portland cement 40, fly ash 15, 200 mesh Calcium carbide slag 12, alumina hollow microspheres 4, cellulose ether 2, recycled EPS particles 30, ammonium dihydrogen phosphate 0.2, dopamine hydrochloride 0.8, humic acid 0.5, hydrogen peroxide with a concentration of 20% 5, appropriate amount of water.
[0013] The recycled EPS particles are made from the following raw materials in parts by weight: waste polystyrene foamed plastic particles 20, silane coupling agent 0.5, TPE thermoplastic elastomer 5, 400 mesh sodium zirconium phosphate ceramic powder 8, nitrogen 4; the preparation method is: : The waste polystyrene foam particles, silane coupling agent, TPE thermoplastic elastomer, and sodium zirconium phosphate ceramic powder are fed into the feeding system to be mixed evenly, and...
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