This work follows up that reported in a previous paper in which the impact fracture behaviour of polyvinylchloride (PVC)-(acrylonitrile-butadiene-styrene (ABS) terpolymers) blends was examined in relation to composition. The study of property-composition and property-structure relationships in these materials is extended here to other properties of both technological and fundamental interest, namely density, elastic modulus, glass transition temperatures and heat deflection temperature. In this investigation, PVC-ABS blends are regarded as a three-polymer system PVC-butadiene rubber (BR)-(styrene-acrylonitrile (SAN) copolymer); the blend composition to be investigated was systematically varied accordingly. From the property-composition data obtained, structural indications of fundamental interest are alos drawn: PVC and SAN appear to make distinct glassy phases both in the absence and in the presence of SAN-grafted BR particles.

High performance polymer blends II: Density, elastic modulus, glass transition temperatures and heat deflection temperature of polyvinylchloride-(acrylonitrile-butadiene-styrene) blends

PAVAN, ANDREA;RINK SUGAR, MARTA ELISABETH
1981

Abstract

This work follows up that reported in a previous paper in which the impact fracture behaviour of polyvinylchloride (PVC)-(acrylonitrile-butadiene-styrene (ABS) terpolymers) blends was examined in relation to composition. The study of property-composition and property-structure relationships in these materials is extended here to other properties of both technological and fundamental interest, namely density, elastic modulus, glass transition temperatures and heat deflection temperature. In this investigation, PVC-ABS blends are regarded as a three-polymer system PVC-butadiene rubber (BR)-(styrene-acrylonitrile (SAN) copolymer); the blend composition to be investigated was systematically varied accordingly. From the property-composition data obtained, structural indications of fundamental interest are alos drawn: PVC and SAN appear to make distinct glassy phases both in the absence and in the presence of SAN-grafted BR particles.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11311/661752
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