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    • 1. 发明授权
    • Glass reinforced gypsum board
    • 玻璃钢石膏板
    • US06524679B2
    • 2003-02-25
    • US09875733
    • 2001-06-06
    • Robert J. HauberChristopher J. SandersMark E. HennisMichael P. Fahey
    • Robert J. HauberChristopher J. SandersMark E. HennisMichael P. Fahey
    • B44C126
    • B32B13/02B28B11/0845B28B19/0092B32B2260/021B32B2260/044B32B2607/00E04C2/043Y10T156/1011Y10T156/1034Y10T156/1043Y10T428/22Y10T428/23Y10T428/232Y10T428/237Y10T428/239
    • A multilayer gypsum board having face sheets comprising inorganic fiber, preferably randomly oriented glass fiber, which have been completely impregnated with a gypsum slurry so as to penetrate through the random interstices between the inorganic fibers and to thereby coat the board surfaces with gypsum slurry. The multilayer gypsum board may have a polymeric compound added to unset gypsum the compound may comprise any of the following: polyacrylamide, polymethylacrylamide, polyvinyidene chloride (PVDC), polyamide, poly (hexamethylene adipamide), polyvinylchloride (PVC), polyethylene, cellulose acetate, polyisobutylene, polycarbonate, polypropylene, polystyrene, polychloroprene, styrene, butadiene, natural rubber, poly (2,6 dimethyl pentene oxide), poly (4-methyl-1-pentene) and polydimethyl siloxane. The multilayer gypsum board may comprise a first layer of a mixture of set gypsum having an outer surface and the polymeric compound additive entrained within the set gypsum and being impregnated in a thin sheet of randomly aligned inorganic fibers so as to essentially encase the core gypsum within two facing layers having a combination set gypsum and polymeric compound.
    • 一种多层石膏板,其具有包含无机纤维,优选无规取向的玻璃纤维的面板,其已经用石膏浆料完全浸渍,以穿透无机纤维之间的无规间隙,由此用石膏浆料涂覆板表面。 多层石膏板可以具有添加到未固化石膏中的聚合化合物,该化合物可以包含以下任何一种:聚丙烯酰胺,聚甲基丙烯酰胺,聚偏二氯乙烯(PVDC),聚酰胺,聚(己二酰己二胺),聚氯乙烯(PVC),聚乙烯,乙酸纤维素, 聚异丁烯,聚碳酸酯,聚丙烯,聚苯乙烯,聚氯丁二烯,苯乙烯,丁二烯,天然橡胶,聚(2,6-二甲基戊烯氧化物),聚(4-甲基-1-戊烯)和聚二甲基硅氧烷。 多层石膏板可以包括具有外表面的集合石膏的混合物的第一层和夹带在集团石膏中的聚合化合物添加剂,并浸渍在随机排列的无机纤维的薄片中,从而基本上将核心石膏包裹在 两个面对的层具有组合石膏和聚合物。