发明名称 |
GYPSUM DISPERSANT |
摘要 |
There is provided a gypsum dispersant and a gypsum additive that improve the fluidity of gypsum slurry even if gypsum raw materials used are different in quality and that do not induce delay of curing of gypsum slurry. A gypsum dispersant, characterized by comprising: (A) a polycarboxylic acid polymer; and (B) a polyamide polyamine obtained by a reaction of a polyalkylene polyamine and a dibasic acid as essential components, and/or an alkylene oxide adduct of the polyamide polyamine. |
申请公布号 |
EP2826759(A4) |
申请公布日期 |
2015.11.18 |
申请号 |
EP20130760629 |
申请日期 |
2013.03.14 |
申请人 |
YOSHINO GYPSUM CO., LTD. |
发明人 |
IKEDA, AKIRA;KOSHISAKA, SEIICHI;SATO, KATSUTOSHI |
分类号 |
C04B24/26;C04B24/12;C04B103/40;C08F220/04;C08F220/28;C08F290/06 |
主分类号 |
C04B24/26 |
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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