发明名称 Composition for treating coated broke and its use.
摘要 <p>A composition and method for inhibiting the deposition of white pitch on the surfaces of papermaking equipment during the processing of recycled coated broke. The process comprises adding to the coated broke during repulping the composition which comprises a first component which is a tetrafunctional alkoxylated diamine having the general formula: <CHEM> wherein R1 and R2 are ethylene oxide or propylene oxide and R1 and R2 are not the same, and a second component selected from a phosphate, and a phosphonic acid or salt thereof.</p>
申请公布号 EP0465000(A1) 申请公布日期 1992.01.08
申请号 EP19910304645 申请日期 1991.05.22
申请人 BETZ EUROPE, INC. 发明人 PEASE, JACQUELINE KAY;DIXON, CATHERINE SANGILLO;MICHALOPOULOS, DANIEL LAURENCE
分类号 D21C5/02;D21C9/08;D21H21/02 主分类号 D21C5/02
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