发明名称 Deresination method of wood pulp
摘要 An improved method for deresination of wood chips or pulp is provided. The method comprises contacting the chips or pulp with an ethoxylated alkyl phenol deresinating composition during processing to reduce the level of natural resins present therein. The improvement comprises substituting a sufonated fatty acid for part of the ethoxylated alkyl phenol while maintaining substantially the same level of deresination.
申请公布号 US4673460(A) 申请公布日期 1987.06.16
申请号 US19840654865 申请日期 1984.09.27
申请人 STEPAN COMPANY 发明人 RAFF, DONALD K.
分类号 D21C3/22;D21C9/08;(IPC1-7):D21C3/20 主分类号 D21C3/22
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