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特性粘数和端羧基含
。
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特性粘数和端羧基含
。
The carboxylic content in oxycellulose was analyzed quantitatively by FTIR using KSCN as internal standard.Calibration curve with good linear relationship was obtained.
摘要以KSCN作为内标,用傅里叶换红外光
法(FTIR)对氧
纤维素中
羧基含
作了定
,得出了线性关系较好
标准曲线。
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