| 摘要 |
Provided is a polyester resin composition for solid-state polymerization, which is capable of the solid-state polymerization of a polyethyleneterephthalate resin having the high degree of polymerization with preventing a pellet cohesion phenomenon effectively. The polyester resin composition for solid-state polymerization is a mixture of an uncrystallized polyester resin and a pre-crystallized polyester resin. The pre-crystallized or uncrystallized polyester resin is an aromatic polyester resin. The pre-crystallized polyester resin is obtained by crystallizing the uncrystallized polyester resin to increase the degree of crystallization. The pre-crystallized polyester resin is mixed in a ratio of 10-60wt% based on the total weight of the composition. |
