PROCEDE DE PREPARATION DE COPOLYMERES THERMOPLASTIQUES D'ACRYLONITRILE

Acrylonitrile and styrene are copolymerised in the depicted apparatus. The weight ratio is 68 - 95% by weight of acrylonitrile to 32 - 5% by weight of styrene. The process comprises feeding acrylonitrile and styrene continuously into the polymerisation reaction under equilibrium conditions at most i...

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Bibliographische Detailangaben
1. Verfasser:	LAWRENCE ERNEST BALL ET JUDY ANN STUCHUL
Format:	Patent
Sprache:	fre
Schlagworte:	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
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Beschreibung
Zusammenfassung:	Acrylonitrile and styrene are copolymerised in the depicted apparatus. The weight ratio is 68 - 95% by weight of acrylonitrile to 32 - 5% by weight of styrene. The process comprises feeding acrylonitrile and styrene continuously into the polymerisation reaction under equilibrium conditions at most in an aqueous emulsion in the presence of a diene elastomer, discharging the resulting latex likewise continuously and isolating therefrom the unconverted monomers and the polymer product. The polymerisation temperature is between 0 and 100 DEG C and the atmosphere in the reaction vessel is inert under the reaction conditions. The copolymers produced have excellent and predictable physical properties.