PBT作为PET结晶促进剂，降低回收PET的冷结晶温度，提高热结晶温度。
As accelerator for PET, PBT could decrease the cooling crystallization temperature and increase the melt crystallization temperature of recycled PET.
研究了基体树脂、结晶成核剂、复合结晶促进剂对PET/GF结晶性能和力学性能的影响。
The influence of matrix resin, crystallization nucleating agent and crystallization promoter agent on mechanical properties and crystallinity of FET/GF composite was studied.
结果表明，磷化溶液中促进剂和添加剂的加入使膜层表面质量提高，结晶组织细致。
Results showed that, adding accelerator and additives in phosphate fluid can contribute to improve surface quality of the coating and obtain fine crystal structure.
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