RESIN COMPOSITION FOR EXTRUDED SHEET

RESIN COMPOSITION FOR EXTRUDED SHEET

PURPOSE:To obtain the title resin composition improved in low-temperature impact resistance, by mixing a thermoplastic polyester mainly consisting of repeating 1,4-cyclohexanedimethylene terephthalate units with a maleic anhydride-graft modified polyolefin in a specified mixing ratio. CONSTITUTION:1...

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Hauptverfasser: OBATA KEISUKE, AKI KENZOU, YAGI TAKUJI
Format: Patent
Sprache:eng
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CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator OBATA KEISUKE
AKI KENZOU
YAGI TAKUJI
description PURPOSE:To obtain the title resin composition improved in low-temperature impact resistance, by mixing a thermoplastic polyester mainly consisting of repeating 1,4-cyclohexanedimethylene terephthalate units with a maleic anhydride-graft modified polyolefin in a specified mixing ratio. CONSTITUTION:100pts.wt. thermoplastic polyester (A) having at least 85mol.% repeating 1,4-cyclohexanedimethylene terephthalate units is mixed with 0.5-10 pts.wt. maleic anhydride-graft modified polyolefin (e.g., maleic anhydride-graft modified low-density polyethylene) to produce a composition for extruded sheets. In this way, the low-temperature impact strength of component A can be improved because the maleic anhydride molecules in component B and the 1,4- cyclohexanedimethylene terephthalate molecules in component A undergo a partial crosslinking reaction during melt kneading and therefore component B can be homogeneously mixed with component A.
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title RESIN COMPOSITION FOR EXTRUDED SHEET
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