THERMOPLASTIC RESIN COMPOSITION FOR TRAY AND TRAY COMPOSED OF THE SAME

PROBLEM TO BE SOLVED: To raise the impact resistance, molding processability and dimensional stability (a low molding shrinkage percentage and low warping properties). SOLUTION: A thermoplastic resin composition for a tray comprises a vegetable oil and/or an animal oil (II) in an amount of 3-10 pts....

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Hauptverfasser:	KUNITOMI MASAKI, SAITO AKIRA, MATSUDA MASA
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Zusammenfassung:	PROBLEM TO BE SOLVED: To raise the impact resistance, molding processability and dimensional stability (a low molding shrinkage percentage and low warping properties). SOLUTION: A thermoplastic resin composition for a tray comprises a vegetable oil and/or an animal oil (II) in an amount of 3-10 pts. wt. based on 100 pts. wt. of a thermoplastic resin (I) containing a graft copolymer (A) obtained by carrying out graft copolymerization of one or more kinds of monomers with a rubber-like polymer (a) and a vinylic (co)polymer (B) in (10:90) to (60:40) ratio of the weight ratio of (A):(B). The vinylic (co)polymer (B) has an intrinsic viscosity [η] determined by measuring a portion soluble in methyl ethyl ketone at 30°C within the range of 0.25-0.50 dl/g and ≥40 g/10 min melt flow rate obtained by measuring the thermoplastic resin composition at 220°C and 98 N according to ISO1133. COPYRIGHT: (C)2005,JPO&NCIPI