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HYDROFOBERINGSMIDDEL FOR CELLULOSEFIBRE, FREMGANGSMAATE VED FREMSTILLING AV DETTE MIDDEL SAMT ANVENDELSE AV MIDLET FOR MASSEHYDROFOBERING

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Title:
HYDROFOBERINGSMIDDEL FOR CELLULOSEFIBRE, FREMGANGSMAATE VED FREMSTILLING AV DETTE MIDDEL SAMT ANVENDELSE AV MIDLET FOR MASSEHYDROFOBERING
Author: ANDERSSON, KJELL RUNE ; LYRMALM, NILS EBBE
Subjects: IMPREGNATING OR COATING OF PAPER ; PAPER NOT OTHERWISE PROVIDED FOR ; PAPER-MAKING ; 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
Description: A hydrophobing agent consists of resin acid and/or fatty acid emulsified/dispersed in an aqueous phase of water, a polyaluminium salt dissolved in the water, and preferably also a cationic organic compound. According to the invention, the hydrophobing agent is prepared in that the resin acid and/or fatty acid, optionally in mixture with another hydrophobic melting point-reducing agent, is finely dispersed in the aqueous phase in the presence of said polyaluminium salt and preferably also the cationic organic compound. The invention also comprises the use of the hydrophobing agent for stock hydrophobation of cellulosic fibers in papermaking technology.
Creation Date: 1991
Language: Norwegian
Source: esp@cenet

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