The changes of intrinsic viscosity and end carboxyl group content with temperature and time were studied for poly(trimethylene terephthalate)(PTT), PET and CDP.
研究了聚对苯
甲
醇酯(PTT),PET,CDP在不同温度和时间下的特
粘
和端羧基含量的变化。
The changes of intrinsic viscosity and end carboxyl group content with temperature and time were studied for poly(trimethylene terephthalate)(PTT), PET and CDP.
研究了聚对苯甲醇酯(PTT),PET,CDP在不同温度和时间下的特粘和端羧基含量的变化。
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