| abstract |
The present invention relates to a polyester resin composition comprising a polyester resin and a polyester-based plasticizer represented by the following formula (I), which is selected from the group consisting of (1) sheet or film, and (2) thermoforming. And (3) a molded body in a group consisting of stretched films. R1O-CO-R2-CO-[(OR3)mO-CO-R2-CO-]nOR1 (I) (wherein R1 is an alkyl group having 1 to 4 carbon atoms, and R2 is an alkylene having 2 to 4 carbon atoms) And R3 is an alkylene group having 2 to 6 carbon atoms, m is a number from 1 to 6, and n is a number from 1 to 12, wherein all R2 and all R3 may be the same or different from each other) For example, the sheet or film can be preferably used for various purposes such as food, agriculture, industry, etc., and the thermoformed article can be preferably used for various purposes such as packaging materials for food containers, daily necessities or home electric appliances, trays for industrial parts, and the like. The stretched film can be preferably used for various purposes such as food packaging, packaging materials for daily necessities or home electric appliances, and various films for industrial use. |