COMPOSICION DE POLI-(ALCOHOL VINILICO)Y PROCEDIMIENTO PARA SU PREPARACION

A molding composition on the basis of polyvinyl alcohol substantially consists of a partially solvolyzed graft copolymer of a vinyl ester and a polyethylene glycol or of a mixture of such graft copolymer with a partially solvolyzed polyvinyl ester as well as of water and optionally a polyhydric alka...

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Bibliographic Details
Main Authors ALBRECHT HARREUS, WOLFGANG ZIMMERMANN
Format Patent
LanguageSpanish
Published 27.04.1989
Edition4
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:A molding composition on the basis of polyvinyl alcohol substantially consists of a partially solvolyzed graft copolymer of a vinyl ester and a polyethylene glycol or of a mixture of such graft copolymer with a partially solvolyzed polyvinyl ester as well as of water and optionally a polyhydric alkanol. The composition is obtained by mixing the granular polymers used in each case with the other components. It is water-soluble, flowable and thermoplastically workable and is suitable for the preparation of any shaped articles, especially sheets.
Bibliography:Application Number: MX19810187210