METHOD FOR IMPROVING FADING PROPERTY OF CHEMICAL PULP FOR PAPERMAKING

摘要

PROBLEM TO BE SOLVED: To provide a method for improving a fading property of chemical pulp for papermaking, by which the fading property of the acidic papermaking pulp is made to be equivalent to that of a conventional chlorine bleaching in bleaching without using molecular chlorine of the papermaking chemical pulp. SOLUTION: The method for improving the fading property comprises obtaining the fading property equivalent to that of the conventional chlorine bleaching by keeping K value after full bleaching to≤1.5 in the acidic paper of bleached pulp without using molecular chlorine of chemical pulp for papermaking. COPYRIGHT: (C)2003,JPO