THERMOPLASTIC RESIN COMPOSITION AND ITS INJECTION MOLDED ARTICLE

A thermoplastic resin composition comprises 35-85 wt.% polypropylene resin, 10-35 wt.% elastomer, 2-30 wt.% inorganic filler, and 5-15 wt.% resin. The resin has a melt tension at winding speed of 15.7 m/min, of 0.03-0.1 N, and swelling ratio of \-0.8 at 220 deg C. A thermoplastic resin composition c...

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Bibliographische Detailangaben
Hauptverfasser:	MORIYASU SHIMOJO, KENICHI OKAWA
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS 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 WORKING-UP
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Beschreibung
Zusammenfassung:	A thermoplastic resin composition comprises 35-85 wt.% polypropylene resin, 10-35 wt.% elastomer, 2-30 wt.% inorganic filler, and 5-15 wt.% resin. The resin has a melt tension at winding speed of 15.7 m/min, of 0.03-0.1 N, and swelling ratio of \-0.8 at 220 deg C. A thermoplastic resin composition comprises 35-85 wt.% polypropylene resin, 10-35 wt.% elastomer, 2-30 wt.% inorganic filler, and 5-15 wt.% resin. The resin has a melt tension at winding speed of 15.7 m/min, of 0.03-0.1 N, and swelling ratio of \-0.8 at 220 deg C, L/D of an orifice of 40 and shear rate of 1.2 asterisk 10 /sec. The time required for the resin until the ratio of relaxation elastic modulus at 210 deg C and relaxation elastic modulus at 0.02 second reaches 0.01 is 5-10 seconds.