PRE-TREATMENT METHOD OF PULP FOR MANUFACTURING HIGH PERFORMANCE FILTER PAPER AND FILTER PAPER BY USING THE SAME METHOD

摘要

PURPOSE: a kind of manufacture for manufacturing the pre-treatment method high performance filter papery filter paper of paper pulp thus provides the performance of production high quality filter, and improves good air-permeabiltiy. ;CONSTITUTION: a kind of pre-treatment method high performance filter paper for manufacturing paper pulp includes that step pre-processes coniferous bleached kraft pulp and sodium hydroxide 6 ~ 20%. The coniferous bleached kraft pulp of the pre-treatment method has been performed to improve the fiber that gas permeability fiber passes through swollen fiber and relatively narrow width. ;The 2010 of copyright KIPO submissions