POLYESTER RESIN COMPOSITION AND MOLDED BODY OF SAME

• Main Authors: URUSHIHARA, Tsuyoshi, SAKAI, Kanae, KAWAMOTO, Naoshi
• Format: Patent
• Language: English; French; German
• Published: 14.08.2019
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

The present invention provides a polyester resin composition having improved physical properties and a molded body thereof. The polyester resin composition according to the present invention comprises (A) a polyester resin and (B1) a terminal-modified polyethylene terephthalate or (B2) a terminally modified polybutylene resin and is characterized in that the above-described (B1) or (B2) is a polyethylene terephthalate or a polybutylene terephthalate, whose terminal(s) is/are modified with a group represented by the following Formula (1) or with a group represented by the following Formula (1) and a metal carboxylate: (wherein, X represents a direct bond or an alkylene group having 1 to 12 carbon atoms)