MOLDABILITY MODIFIER AND POLYPROPYLENE RESIN COMPOSITION USING THE SAME
A moldability modifier capable of improving molding processability, and a polypropylene resin composition using the same suitable for automobile exterior parts are provided. The invention relates to a moldability modifier comprising propylene block copolymer (A) containing from 80 to 98 wt% of a pro...
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creator | MIZUKAMI, SHIGEO RYOSHO, YUJI SHIMIZU, KEN ZANKA, YUKIHITO SHIMOUSE, MASASHI |
description | A moldability modifier capable of improving molding processability, and a polypropylene resin composition using the same suitable for automobile exterior parts are provided. The invention relates to a moldability modifier comprising propylene block copolymer (A) containing from 80 to 98 wt% of a propylene homopolymer portion (A1) and from 2 to 20 wt% of a propylene/ethylene random copolymer portion (A2), wherein the MFR of (A1) is 300 g/10 min or more, the ethylene content of (A2) is from 10 to 70 wt%, the [·] of (A2) is 6.5 dl/g or more, and the MFR as a whole is 40 g/10 min or more; and propylene block copolymer (B) containing from 20 to 79 wt% of a propylene polymer portion (B1) and from 21 to 80 wt% of a propylene/ethylene random copolymer portion (B2), wherein the MFR of (B1) is 20 g/10 min or more, the ethylene content of (B2) is from 20 to 70 wt%, the [·] of (B2) is from 2.5 to 9.0 dl/g, and the MFR as a whole is from 0.1 to 50 g/10 min; and a polypropylene resin composition using the same. |
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The invention relates to a moldability modifier comprising propylene block copolymer (A) containing from 80 to 98 wt% of a propylene homopolymer portion (A1) and from 2 to 20 wt% of a propylene/ethylene random copolymer portion (A2), wherein the MFR of (A1) is 300 g/10 min or more, the ethylene content of (A2) is from 10 to 70 wt%, the [·] of (A2) is 6.5 dl/g or more, and the MFR as a whole is 40 g/10 min or more; and propylene block copolymer (B) containing from 20 to 79 wt% of a propylene polymer portion (B1) and from 21 to 80 wt% of a propylene/ethylene random copolymer portion (B2), wherein the MFR of (B1) is 20 g/10 min or more, the ethylene content of (B2) is from 20 to 70 wt%, the [·] of (B2) is from 2.5 to 9.0 dl/g, and the MFR as a whole is from 0.1 to 50 g/10 min; and a polypropylene resin composition using the same.</description><language>eng ; fre ; ger</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>2010</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100505&DB=EPODOC&CC=EP&NR=2000506A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100505&DB=EPODOC&CC=EP&NR=2000506A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MIZUKAMI, SHIGEO</creatorcontrib><creatorcontrib>RYOSHO, YUJI</creatorcontrib><creatorcontrib>SHIMIZU, KEN</creatorcontrib><creatorcontrib>ZANKA, YUKIHITO</creatorcontrib><creatorcontrib>SHIMOUSE, MASASHI</creatorcontrib><title>MOLDABILITY MODIFIER AND POLYPROPYLENE RESIN COMPOSITION USING THE SAME</title><description>A moldability modifier capable of improving molding processability, and a polypropylene resin composition using the same suitable for automobile exterior parts are provided. The invention relates to a moldability modifier comprising propylene block copolymer (A) containing from 80 to 98 wt% of a propylene homopolymer portion (A1) and from 2 to 20 wt% of a propylene/ethylene random copolymer portion (A2), wherein the MFR of (A1) is 300 g/10 min or more, the ethylene content of (A2) is from 10 to 70 wt%, the [·] of (A2) is 6.5 dl/g or more, and the MFR as a whole is 40 g/10 min or more; and propylene block copolymer (B) containing from 20 to 79 wt% of a propylene polymer portion (B1) and from 21 to 80 wt% of a propylene/ethylene random copolymer portion (B2), wherein the MFR of (B1) is 20 g/10 min or more, the ethylene content of (B2) is from 20 to 70 wt%, the [·] of (B2) is from 2.5 to 9.0 dl/g, and the MFR as a whole is from 0.1 to 50 g/10 min; and a polypropylene resin composition using the same.</description><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2010</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHD39fdxcXTy9PEMiVTw9XfxdPN0DVJw9HNRCPD3iQwI8g-I9HH1c1UIcg329FNw9vcN8A_2DPH091MIBQq4K4R4uCoEO_q68jCwpiXmFKfyQmluBgU31xBnD93Ugvz41OKCxOTUvNSSeNcAIwMDA1MDM0cTYyKUAACzXix2</recordid><startdate>20100505</startdate><enddate>20100505</enddate><creator>MIZUKAMI, SHIGEO</creator><creator>RYOSHO, YUJI</creator><creator>SHIMIZU, KEN</creator><creator>ZANKA, YUKIHITO</creator><creator>SHIMOUSE, MASASHI</creator><scope>EVB</scope></search><sort><creationdate>20100505</creationdate><title>MOLDABILITY MODIFIER AND POLYPROPYLENE RESIN COMPOSITION USING THE SAME</title><author>MIZUKAMI, SHIGEO ; RYOSHO, YUJI ; SHIMIZU, KEN ; ZANKA, YUKIHITO ; SHIMOUSE, MASASHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2000506A43</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2010</creationdate><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>MIZUKAMI, SHIGEO</creatorcontrib><creatorcontrib>RYOSHO, YUJI</creatorcontrib><creatorcontrib>SHIMIZU, KEN</creatorcontrib><creatorcontrib>ZANKA, YUKIHITO</creatorcontrib><creatorcontrib>SHIMOUSE, MASASHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MIZUKAMI, SHIGEO</au><au>RYOSHO, YUJI</au><au>SHIMIZU, KEN</au><au>ZANKA, YUKIHITO</au><au>SHIMOUSE, MASASHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MOLDABILITY MODIFIER AND POLYPROPYLENE RESIN COMPOSITION USING THE SAME</title><date>2010-05-05</date><risdate>2010</risdate><abstract>A moldability modifier capable of improving molding processability, and a polypropylene resin composition using the same suitable for automobile exterior parts are provided. The invention relates to a moldability modifier comprising propylene block copolymer (A) containing from 80 to 98 wt% of a propylene homopolymer portion (A1) and from 2 to 20 wt% of a propylene/ethylene random copolymer portion (A2), wherein the MFR of (A1) is 300 g/10 min or more, the ethylene content of (A2) is from 10 to 70 wt%, the [·] of (A2) is 6.5 dl/g or more, and the MFR as a whole is 40 g/10 min or more; and propylene block copolymer (B) containing from 20 to 79 wt% of a propylene polymer portion (B1) and from 21 to 80 wt% of a propylene/ethylene random copolymer portion (B2), wherein the MFR of (B1) is 20 g/10 min or more, the ethylene content of (B2) is from 20 to 70 wt%, the [·] of (B2) is from 2.5 to 9.0 dl/g, and the MFR as a whole is from 0.1 to 50 g/10 min; and a polypropylene resin composition using the same.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
title | MOLDABILITY MODIFIER AND POLYPROPYLENE RESIN COMPOSITION USING THE SAME |
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