HYDROFOBERINGSMEDEL FOER CELLULOSAFIBRER, SAETT ATT FRAMSTAELLA DETTA MEDEL SAMT ANVAENDNINGEN AV MEDLET FOER MAELDHYDROFOBERING

According to the invention a hydrophobing agent is composed of a resinic acid and/or a fatty acid, which are 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 age...

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Bibliographic Details
Main Authors ANDERSSON, KJELL RUNE, LYRMALM, NILS EBBE
Format Patent
LanguageFinnish
Published 19.06.1986
Edition4
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
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Summary:According to the invention a hydrophobing agent is composed of a resinic acid and/or a fatty acid, which are 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 manufactured in that the resinic acid and/or the fatty acid, possibly mixed with another hydrophobic agent that reduces the melting point, are finely dispersed in the aqueous phase in the presence of the polyaluminium salt and preferably also the cationic organic compound. The invention also relates to the use of the hydrophobing agent for stock hydrophobing of cellulose fibres in paper manufacture.
Bibliography:Application Number: FI19860002646