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对PETG共聚酯的热性能进行了研究,讨论了1,4-环己烷二甲醇(CHDM)加入量对共聚酯的熔融吸热峰Tm、玻璃化转变温度Tg、冷结晶温度Tc、熔融结晶温度Tm,c及共聚酯加工性能的影响。结果表明,随着CHDM添加量的增加,PETG共聚酯的加工性能随之改善。
The thermal properties of PETG copolyesters were studied. The effects of the amount of 1,4-cyclohexanedimethanol (CHDM) on the melting endothermic peak Tm, glass transition temperature Tg, cold crystallization temperature Tc, Melt crystallization temperature Tm, c and copolyester processing performance. The results show that with the increase of CHDM dosage, the processing performance of PETG copolyester is improved.