NOUVEAUX ACETATES DE POLYVINYLE PARTIELLEMENT SAPONIFIES ET LEURS APPLICATIONS DANS L'HOMO- ET LA COPOLYMERISATION EN SUSPENSION DE COMPOSES VINYLIQUES

This invention relates to novel partially saponified polyvinyl acetates with a degree of hydrolysis of 30 to 65 mole % which might be considered as vinyl alcohol-vinyl acetate block copolymers. The invention relates further to the application of said novel block copolymers as a pore-forming additive...

Full description

Saved in:
Bibliographic Details
Main Author BELA MARIASI, LASZLO MOLNAR, JANOS TOTH, IMRE GULYA, MIKLOS NAGY, ERVIN WOLFRAM, MIKLOS ZRINYI, GABOR KOVACS ET LASZLO JAKZITY
Format Patent
LanguageFrench
Published 26.08.1977
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
Online AccessGet full text

Cover

More Information
Summary:This invention relates to novel partially saponified polyvinyl acetates with a degree of hydrolysis of 30 to 65 mole % which might be considered as vinyl alcohol-vinyl acetate block copolymers. The invention relates further to the application of said novel block copolymers as a pore-forming additive used together with at least one known protective colloid in the homo- and copolymerization of vinyl compounds, primarily of vinyl chloride in a pure aqueous medium.
Bibliography:Application Number: FR19770002112