发明名称 |
GYPSUM COMPOSITIONS OF IMPROVED RESISTANCE TO PERMANENT DEFORMATION |
摘要 |
FIELD: gypsum compositions and gypsum plates made from such compositions. ^ SUBSTANCE: proposed composition contains hardened gypsum, binding matrix made from hardened and calcined gypsum, water and modifying material containing mixture of organic poly- phosphonium compound or mixture of organic poly-phosphonium compounds in the amount of 0.01-3% of calcined gypsum and borate in the amount of 0.1-2% of mass of calcined gypsum containing ulexite, colemanite or mixture of ulexite and colemanite or modifying material containing poly-carboxyl compound or mixture of poly-carboxyl compounds in the amount of 0.01-4.99% of mass of calcined gypsum and poly-phosphate compound or mixture of poly-phosphate compounds in the amount of 0.004-2% of mass of calcined gypsum. ^ EFFECT: enhanced efficiency. ^ 24 cl, 5 tbl |
申请公布号 |
RU2323188(C2) |
申请公布日期 |
2008.04.27 |
申请号 |
RU20020120543 |
申请日期 |
2001.04.11 |
申请人 |
JUNAJTED STEJTS DZHIPSUM KOMPANI |
发明人 |
VEERAMASUNENI SRINIVAS;JU KVIANG;SHEHJK MAJKL P. |
分类号 |
C04B28/14;C04B20/10;C04B22/08;C04B22/14;C04B22/16;C04B24/00;C04B24/24;C04B24/26;C04B40/00;C04B103/14;C04B111/20;E04C1/40 |
主分类号 |
C04B28/14 |
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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