Weatherable resinous composition with improved heat resistance

Disclosed are compositions comprising: (i) a rubber modified thermoplastic resin comprising a discontinuous elastomeric phase dispersed in a rigid thermoplastic phase, wherein at least a portion of the rigid thermoplastic phase is grafted to the elastomeric phase, and wherein the elastomeric phase c...

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Bibliographic Details
Main Authors DHAWAN SANDEEP, VILASAGAR SHRIPATHY, SUN PATRICIA B, GAGGAR SATISH K
Format Patent
LanguageEnglish
Published 30.03.2006
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
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Summary:Disclosed are compositions comprising: (i) a rubber modified thermoplastic resin comprising a discontinuous elastomeric phase dispersed in a rigid thermoplastic phase, wherein at least a portion of the rigid thermoplastic phase is grafted to the elastomeric phase, and wherein the elastomeric phase comprises a polymer having structural units derived from at least one (C1-C12)alkyl(meth)acrylate monomer; (ii) a second polymer consisting essentially of structural units derived from at least one (C1-C12)alkyl(meth)acrylate monomer; and optionally (iii) a third polymer comprising structural units derived from at least one alkenyl aromatic monomer and at least one monoethylenically unsaturated nitrile monomer prepared in a separate polymerization step and added to the composition. In other embodiments the present invention comprises articles made from said compositions.
Bibliography:Application Number: US20040953724