RUBBER-REINFORCED VINYL AROMATIC POLYMERS

Rubber-reinforced vinyl aromatic polymers having a strictly bimodal morphology, comprising from 55 to 90 % by weight of a rigid polymeric matrix and from 10 to 45 % by weight of a rubbery phase dispersed inside said rigid polymeric matrix, in the form of grafted and occluded particles and wherein sa...

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Bibliographische Detailangaben
Hauptverfasser:	MONTI, LUCA, ROSSI, ANNA GRAZIA, CASALINI, ALESSANDRO
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	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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Beschreibung
Zusammenfassung:	Rubber-reinforced vinyl aromatic polymers having a strictly bimodal morphology, comprising from 55 to 90 % by weight of a rigid polymeric matrix and from 10 to 45 % by weight of a rubbery phase dispersed inside said rigid polymeric matrix, in the form of grafted and occluded particles and wherein said rubber particles consist of from 60 to 99 % by weight of particles with a capsule or "core-shell" morphology and from 1 to 40 % by weight of particles with a "salami" morphology, said percentages being measured on the basis of the weight of the rubber particles only. L'invention concerne des polymères vinyle aromatiques renforcés par du caoutchouc à morphologie strictement bimodale, comprenant entre 55 et 90 % en poids d'une matrice polymère rigide et entre 10 et 45 % en poids d'une phase caoutchouteuse répartie à l'intérieur de la matrice polymère rigide, sous forme de particules greffées et occluses et dans lesquelles ces particules en caoutchouc consistent en 60 à 99 % en poids de particules à morphologie de capsule ou = et en 1 à 40 % en poids de particules à morphologie =, ces pourcentages étant mesurés sur la base du poids des particules de caoutchouc uniquement.