发明名称 SULFOMETHYLAMIDE-CONTAINING POLYMERS AND METHOD OF PREPARING SAME
摘要 Polyacrylamide is reacted with formaldehyde and bisulfite at a temperature of at least about 100 DEG C and preferably at an initial reaction mixture pH of less than about 12, preferably about 3 to about 8, to produce sulfomethylpolyacrylamide. Sulfomethylpolyacrylamide polymers are provided which have outstanding properties such as water treatment agents, drilling field dispersants and flocculents.
申请公布号 ZA8609139(B) 申请公布日期 1987.08.26
申请号 ZA19860009139 申请日期 1986.12.02
申请人 NALCO CHEMICAL COMPANY 发明人 DODD WING FONG;DAVID J. KOWALSKI
分类号 C08F8/34 主分类号 C08F8/34
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