POLYPROPYLENIC RESIN COMPOSITION

PROBLEM TO BE SOLVED: To obtain a polypropylenic resin composition having improved surface appearance, coating appearance qualities, a low coefficient of linear expansion and excellent dimensional stability and a molded article thereof. SOLUTION: The polypropylenic resin composition comprises (A) 40...

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Bibliographische Detailangaben
Hauptverfasser:	UCHIDA TAKEYUKI, UBOSHI RYOJI, SUZUKI AKIHIRO, SUGIMOTO TAKAYA
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain a polypropylenic resin composition having improved surface appearance, coating appearance qualities, a low coefficient of linear expansion and excellent dimensional stability and a molded article thereof. SOLUTION: The polypropylenic resin composition comprises (A) 40-85 wt.% of a polypropylene resin that is polymerized by using a metallocene catalyst and has a melt flow rate (MFR) of 1-100 g/10 minutes and a melt peak temperature of 121-150°C, (B) 14.5-59.5 wt.% of a propylene block copolymer having a melt peak temperature of 155-170°C and (C) 0.5-20 wt.% of carbon fiber. COPYRIGHT: (C)2009,JPO&INPIT