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公开(公告)号:US06527850B2
公开(公告)日:2003-03-04
申请号:US09832646
申请日:2001-04-11
IPC分类号: C04B2424
CPC分类号: C04B24/2647 , C04B40/0039 , C04B2103/32 , C04B2103/408 , C04B2111/0062 , C08F2/38 , C08F220/06 , C08F220/28 , C08F290/062 , C08F2220/288 , C04B22/064 , C04B22/147 , C04B24/18 , C04B28/14 , C04B24/226 , C04B2103/0094 , C04B2103/006 , C04B2103/10
摘要: A gypsum composition suitable for use in the manufacture of construction materials is provided. The gypsum composition includes gypsum, water, and a dispersant formulation comprising an acrylic/polyether comb-branched copolymer. A method of making a gypsum composition is also provided. The method includes mixing together, in any combination, gypsum, water, and a dispersant formulation comprising an acrylic/polyether comb-branched copolymer. A wallboard is provided including two sheets of board paper, and a gypsum core between the sheets of board paper.
摘要翻译: 提供了适用于制造建筑材料的石膏组合物。 石膏组合物包括石膏,水和包含丙烯酸/聚醚梳状支化共聚物的分散剂制剂。 还提供了制备石膏组合物的方法。 该方法包括以任何组合将石膏,水和包含丙烯酸/聚醚梳状支化共聚物的分散剂制剂混合在一起。 提供了一个墙板,包括两张纸板,以及纸板之间的石膏芯。