发明名称 Papermaking process utilizing hydrophilic dispersion polymers of diallyldimethyl ammonium chloride and acrylamide as retention and drainage aids
摘要 A method for improving retention and drainage performance in a papermaking process is disclosed. The method comprises forming an aqueous cellulosic papermaking slurry, adding an effective amount of a hydrophilic dispersion polymer to the slurry, draining the slurry to form a sheet and drying the sheet. The hydrophilic dispersion polymer is preferably a copolymer of diallyldimethyl ammonium chloride and acrylamide.
申请公布号 US6071379(A) 申请公布日期 2000.06.06
申请号 US19980010156 申请日期 1998.01.21
申请人 NALCO CHEMICAL COMPANY 发明人 WONG SHING, JANE B.;HURLOCK, JOHN R.;MALTESH, CHIDAMBARAM;NAGARAJAN, RAMASUBRAMANYAM
分类号 D21H17/29;D21H17/37;D21H17/45;D21H17/66;D21H21/10;D21H23/04;(IPC1-7):D21H21/10 主分类号 D21H17/29
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