Cement dispersing agent
专利汇可以提供Cement dispersing agent专利检索，专利查询，专利分析的服务。并且PURPOSE: To obtain the titled dispersing agent, consisting of a copolymer of a sulfonated styrene based compound, such as sodium p-styrenesulfonate, and maleic acid (salt), capable of providing high-quality concrete, having high water reducing properties, excellent fluidity, workability and operability and capable of sustaining slump without delaying hardening time.
CONSTITUTION: A slump loss preventing type cement dispersing agent consisting of a copolymer, obtained subjecting (A) 1mol. sulfonated styrene based compound expressed by the formula [X is alkali (earth) metal or ammonia; n is 0 or 1] [e.g. sodium p-styrenesulfonate or sodium p-vinyl-toluenesulfonate] and (B) 0.05W0.15mol. maleic acid or salt thereof to radial polymerization reaction in an aqueous phase in an inert gas atmosphere using a radial polymerization initiator, such as ammonium persulfate, at room temperature W 100°C and having 1×10
4 W8×10
4 weight-average molecular weight.
COPYRIGHT: (C)1988,JPO&Japio，下面是Cement dispersing agent专利的具体信息内容。
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