发明名称 |
USE OF COMB-BRANCHED COPOLYMERS IN GYPSUM COMPOSITIONS COMPRISING COMB-BRANCHED COPOLYMERS |
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.
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申请公布号 |
CA2443072(A1) |
申请公布日期 |
2002.10.24 |
申请号 |
CA20022443072 |
申请日期 |
2002.03.07 |
申请人 |
ARCO CHEMICAL TECHNOLOGY, L.P. |
发明人 |
SCHWARTZ, STEVEN A.;DEHYAR, MOHAMAD A. |
分类号 |
C04B28/04;C04B22/06;C04B22/14;C04B24/18;C04B24/22;C04B24/26;C04B24/32;C04B40/00;(IPC1-7):C04B28/14 |
主分类号 |
C04B28/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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