Thermoplastic polyester compositions containing certain low molecular weight diepoxide resins and having improved impact behavior

Thermoplastic polyester compositions containing certain low molecular weight diepoxide resins and having improved impact behavior

Novel thermoplastic polyester compositions having improved impact behavior are produced. These compositions comprise a blend of poly (C2-C4 alkylene terephthalate) with certain low molecular weight diepoxide resins, a triphenyl phosphonium halide catalyst, and a multiphase composite polymer. The mul...

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Bibliographische Detailangaben
Hauptverfasser: MCNALLY, DONAL, COSTANZO, JEROME L, LANIEVE, H. LESLIE
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:Novel thermoplastic polyester compositions having improved impact behavior are produced. These compositions comprise a blend of poly (C2-C4 alkylene terephthalate) with certain low molecular weight diepoxide resins, a triphenyl phosphonium halide catalyst, and a multiphase composite polymer. The multiphase polymer has a first elastomeric phase polymerized from a monomer system including butadiene or butadiene/styrene and a final rigid thermoplastic phase polymerized in the presence of the elastomeric phase.