ISOLATION OF RUBBERS

A process for isolating rubbers from their aqueous dispersions (latices), wherein a cellulose ether is added to an aqueous rubber dispersion in a quantity of 0.1 to 10 % by weight, based on the rubber, and a water-soluble alkali metal, alkaline earth metal, aluminium or zinc salt is added in a quant...

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Bibliographic Details
Main Authors SCHNOERING, HILDEGARD, PAMPUS, GOTTFRIED
Format Patent
LanguageEnglish
Published 27.06.1978
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
WORKING-UP
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Summary:A process for isolating rubbers from their aqueous dispersions (latices), wherein a cellulose ether is added to an aqueous rubber dispersion in a quantity of 0.1 to 10 % by weight, based on the rubber, and a water-soluble alkali metal, alkaline earth metal, aluminium or zinc salt is added in a quantity of 0.02 to 10 % by weight, based on the rubber and the water is removed from this mixture.
Bibliography:Application Number: CA19740203074