| 摘要 |
PURPOSE: A manufacturing method of a polyester copolymer provides a polyester copolymer with excellent heat resistance, water resistance, light resistance, impact resistance, elastic properties, and low temperature properties by including a carboxylic derivative with an ether group introduced in a main chain. CONSTITUTION: A manufacturing method of a polyester copolymer is represented by chemical formula 1. In chemical formula 1, R^1, R^2, R^5, and R^6 are hydrogen or C1-3 alkyl groups; each of R^3 and R^4 is a valence bond, a C1-5 alkylene group, or a C4-12 cyclic alkylene group; R^7 is hydrogen or a C1-3 alkyl group; and U and V are hydrogen or C1-9 alkyl groups. A manufacturing method of the polyester copolymer includes a step of conducting a random copolymerization reaction of one or more selected from a compound represented by chemical formula 1 and a compound represented by chemical formula 2, one or more selected from a compound represented by chemical formula 10 and a compound represented by chemical formula 11, and C1-10 alkylene glycol in order to form a polyester copolymer. |
