Propylene Resin Composition With Excellent Melt Flowability And Impact Resistance

Propylene Resin Composition With Excellent Melt Flowability And Impact Resistance

A polypropylene resin composition is provided that includes an ethylene-propylene block copolymer resin. The ethylene-propylene block copolymer resin comprises a propylene homopolymer component and an ethylene-propylene rubber copolymer component as a solvent extract. The content of the ethylene-pro...

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Hauptverfasser: CHUN, YongSung, KIM, SungHyun, PARK, Daeho, JUNG, Hyeyoung
Format: Patent
Sprache:eng
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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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creator CHUN, YongSung
KIM, SungHyun
PARK, Daeho
JUNG, Hyeyoung
description A polypropylene resin composition is provided that includes an ethylene-propylene block copolymer resin. The ethylene-propylene block copolymer resin comprises a propylene homopolymer component and an ethylene-propylene rubber copolymer component as a solvent extract. The content of the ethylene-propylene rubber copolymer component in the ethylene-propylene block copolymer resin is 25 to 40% by weight. The ratio of the content of ethylene to the content of solvent extract in the ethylene-propylene block copolymer resin based on percent by weight is 0.25 to 0.45/ The ethylene-propylene block copolymer resin has a melt index of 20 to 45 g/10 minutes when measured at 230° C. under a load of 2.16 kg.
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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
title Propylene Resin Composition With Excellent Melt Flowability And Impact Resistance
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