A method for producing leather release type base paper

The invention belongs to papermaking techniques and relates to a method for producing leather release type base paper. According to the method, base raw materials which are bleached sulfate softwood pulp and bleached sulfate hardwood pulp are subjected to steps of pulping, pulp preparing, sizing, pa...

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Hauptverfasser: CAI ZHAOBIN, TIAN CHUNLI, FAN ZHAOMING, GU KEQIANG, GONG MURONG
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Sprache:chi ; eng
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creator CAI ZHAOBIN
TIAN CHUNLI
FAN ZHAOMING
GU KEQIANG
GONG MURONG
description The invention belongs to papermaking techniques and relates to a method for producing leather release type base paper. According to the method, base raw materials which are bleached sulfate softwood pulp and bleached sulfate hardwood pulp are subjected to steps of pulping, pulp preparing, sizing, papermaking with pulp, drying for the first time, surface sizing, after-drying, calendaring, and taking up in order to obtain finished-product paper; auxiliary raw materials are added in process steps; according to a material transferring sequence, materials in the pulping step pass through a pulper, a before-beating pulp pool, a pulp grinding machine and an after-beating pulp pool in order; materials in the pulp preparing step pass through a pulp preparing pool, a transit pulp pool, a paper machine pulp pool and a high-attitude tank in order; materials in the sizing step pass through a first pulp washing pump, a slag separator, a second pulp washing pump and a pressure sieve in order; materials in the papermaking st
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language chi ; eng
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subjects IMPREGNATING OR COATING OF PAPER
METHODS OF PRODUCING PAPER THEREON
PAPER NOT OTHERWISE PROVIDED FOR
PAPER-MAKING
PAPER-MAKING MACHINES
PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D
PRODUCTION OF CELLULOSE
PULP COMPOSITIONS
TEXTILES
TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
title A method for producing leather release type base paper
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