Lightweight gypsum composition
    3.
    发明授权
    Lightweight gypsum composition 有权
    轻质石膏组合物

    公开(公告)号:US06171388B2

    公开(公告)日:2001-01-09

    申请号:US09266432

    申请日:1999-03-11

    IPC分类号: C04B2814

    摘要: A composition of matter comprising (a) gypsum (CaSO4 . 2H2O); (b) one or more naturally occurring or synthetic latex polymers; and (c) one or more nonionic surfactants; wherein said composition of matter has a density less than 0.64 g/cm3 and wherein wallboard produced from said composition of matter satisfies the criteria of ASTM Methods C-36 and C-473 is provided.

    摘要翻译: 一种物质组合物,其包含(a)石膏(CaSO 4·2H 2 O);(b)一种或多种天然存在或合成的胶乳聚合物; 和(c)一种或多种非离子表面活性剂; 其中所述物质组合物具有小于0.64g / cm 3的密度,并且其中由所述组合物制备的壁板满足ASTM方法C-36和C-473的标准。