The changes of intrinsic viscosity and end carboxyl group content with temperature and time were studied for poly(trimethylene terephthalate)(PTT), PET and CDP.
研究了聚对苯二甲酸丙二醇酯(PTT),PET,CDP在不同温度和时间下的特性粘数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.
研究了聚对苯二甲酸丙二醇酯(PTT),PET,CDP在不同温度和时间下的特性粘数和端羧基含量的变化。
It was found that the compounds are adsorbed on the Ag surface through the carboxyl oxygen atoms, the benzene adopts acclivitous conformation, others lie low on the Ag surface.
在银溶胶表面上，羧基氧原子与银形成化学建，苯环是稍微倾
附在银胶面上，其它部分则平躺附于银溶胶表面。
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