发明名称 Papermaking aid
摘要 An improved binder for use in paper-making contains three ingredients, a cationic starch having a degree of substitution of at least 0.01, a high molecular weight anionic polymer having a molecular weight of at least 500,000 and a degree of anionic substitution of at least 0.01, and a dispersed silica having a particle size ranging from between about 1-50 nanometers.
申请公布号 US4750974(A) 申请公布日期 1988.06.14
申请号 US19860926041 申请日期 1986.11.03
申请人 NALCO CHEMICAL COMPANY 发明人 JOHNSON, KERRIE A.
分类号 D21H17/29;D21H17/42;D21H17/43;D21H17/68;D21H23/00;(IPC1-7):D21H3/28;D21H3/36 主分类号 D21H17/29
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