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1)  inherent viscosity
比浓对数黏度
1.
The effects of dissolving on the structure and thermal properties of PPTA through IR spectra and TG were studied and the inherent viscosity and its relative molecular weight of PPTA solution with the influence of kinds of factors including dissolution time,solution temperature,concentration of the solution,concentration of strong sulfuric acid and stirring speed of twin screw were discussed.
分析溶解时间、温度、溶液质量分数、硫酸质量分数、双螺杆转速等溶解条件对PPTA的比浓对数黏度ηinh、相对分子质量的影响。
2.
The factors that may cause degradation of poly(p-phenylene terephthalamide)(PPTA) during preparation were studied by measuring the inherent viscosity.
通过测量不同条件下聚对苯二甲酰对苯二胺(PPTA)溶液的比浓对数黏度,分析在PPTA纺丝前可能引起聚合物降解的因素,这些因素包括纺丝液浓度、残余的CaCl2、N-甲基-2-吡咯烷酮、水分和氢氧化钙等,最终得到水分和氢氧化钙对PPTA的降解影响很大,其余影响较小的结论。
2)  reduced inherent viscosity
比浓黏度
3)  logarithmic specific concentration viscosity
对数比浓粘度
1.
After ruling out the effect of catalyst, comparison test, property test verification of burning rate retardant agent polyformalde-hyde with various type were carried out, and indicated that the logarithmic specific concentration viscosity of polyformaldehyde was the reason of higher pressure exponent of propellant.
对降速剂聚甲醛进行了不同型号的对照试验、性能测试及试验验证,从而确定了聚甲醛的对数比浓粘度是影响推进剂压力指数偏高的原因。
4)  inherent viscosity
比浓对数粘度
1.
The inherent viscosity (Ⅰ.
这里研究了添加剂对聚合过程的影响,讨论了添加剂用量、加料时间等因素对聚对苯二甲酰对苯二胺的比浓对数粘度的影响,并通过结构及性能测试证明了高分子添加剂PVP的加入不影响聚对苯二甲酰对苯二胺的化学结构、结晶性能和热性能。
5)  reduced specific viscosity
增比比浓黏度
6)  logarithmic viscosity index
比浓对数粘度指数
补充资料:比浓对数黏度
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性质:又称比浓对数黏度,固有黏度。是聚合物溶液相对黏度(ηr)的自然对数与其质量浓度(C)之比,即ηinh=lnηr/C。溶液浓度常以每100ml溶液或溶剂中溶质的克数表示。比浓对数黏度、对数黏数,既不是黏度也不是纯数字。是用来测定聚合物黏均分子量的重要数据之一。

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