Polypropylene-based resin composition, process for producing the same and injection molded article

Polypropylene-based resin composition, process for producing the same and injection molded article

A polypropylene-based resin composition comprising 0.5 to 10% by weight of a propylene-based polymer component (A1) obtained by polymerizing a monomer mainly composed of propylene, having an intrinsic viscosity [eta] measured in tetralin at 135° C. of 5 dl/g or more and a melting peak temperature Tm...

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Hauptverfasser: WAKAMATSU KAZUKI, KANZAKI SUSUMU, TSUJI MITSUJI
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 WAKAMATSU KAZUKI
KANZAKI SUSUMU
TSUJI MITSUJI
description A polypropylene-based resin composition comprising 0.5 to 10% by weight of a propylene-based polymer component (A1) obtained by polymerizing a monomer mainly composed of propylene, having an intrinsic viscosity [eta] measured in tetralin at 135° C. of 5 dl/g or more and a melting peak temperature Tm measured by a differential scanning calorimeter of 130 to 160° C., 90 to 99.5% by weight of a propylene-based polymer component (A2) obtained by polymerizing a monomer mainly composed of propylene, intrinsic viscosity [eta] measured in tetralin at 135° C. of less than 5 dl/g.
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title Polypropylene-based resin composition, process for producing the same and injection molded article
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