INORGANIC-REINFORCED THERMOPLASTIC POLYESTER RESIN COMPOSITION AND MOLDED PRODUCTS COMPRISING SAME

The present invention is a thermoplastic polyester resin composition which in a composition including an inorganic-reinforcing material such as glass fiber, maintains a good surface appearance while having high strength and high stiffness, has little warpage deformation, and generates very little bu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHIMIZU, Takahiro, HORIGUCHI, Satoru, AYUZAWA, Yoshitaka
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	The present invention is a thermoplastic polyester resin composition which in a composition including an inorganic-reinforcing material such as glass fiber, maintains a good surface appearance while having high strength and high stiffness, has little warpage deformation, and generates very little burr; and an inorganic-reinforced thermoplastic polyester resin composition comprising 20 to 60% by mass of a polybutylene terephthalate resin (A), 5 to 20% by mass of an amorphous resin (B), 30 to 60% by mass of an inorganic-reinforcing material (C), 0.5 to 10% by mass of an ethylene-glycidyl (meth)acrylate copolymer (D), and 0.05 to 2% by mass of a transesterification inhibitor (E), wherein the composition has a melt viscosity of no less than 0.5 kPa·s and no more than 1.5 kPa·s at 265° C. and a shear rate of 10 sec−1.