SLURRY AND ACOUSTICAL PANEL WITH REDUCED BOUND WATER
摘要
<p>A composition for a slurry for manufacture of a building panel includes one or more fillers, one or more binders and water. One or more fillers is an expanded perlite at least partially covered with a film-forming, thermoplastic polymer coating Some embodiments use calcined or uncalcined gypsum as a binder or filler. One embodiment is a building panel that includes a solid matrix of calcium sulfate dihydrate crystals bound to expanded perlite. A method of making the panel includes acquiring expanded perlite and coating it with film-forming, thermoplastic polymer coating. After the expanded perlite is prepared, it is combined with water other optional fillers and one or more binders to form a slurry. The slurry is shaped into a panel and allowed to dry.</p>
申请公布号
WO2009009238(A1)
申请公布日期
2009.01.15
申请号
WO2008US65901
申请日期
2008.06.05
申请人
UNITED STATES GYPSUM COMPANY;ENGLERT, MARK, H.;BOSS, DANIEL, E.