1) reduced specific viscosity
增比比浓黏度
2) reduced inherent viscosity
比浓黏度
3) 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。
4) viscosity ratio
黏度比
1.
Effects of viscosity ratio on properties and structure of PP/POE blends;
黏度比对PP/POE共混物性能与结构的影响
2.
The main factors affecting ASP flooding,such as various combinations of layers,various viscosity ratio,various surfactant concentration,were analyzed in detail with the systematic physical simulation experiments.
进行了室内物理模拟实验,分析了不同层系组合、不同黏度比、不同表面活性剂质量分数对三元复合体系驱油效果的影响。
5) viscosity/density ratio
比密黏度
6) specific viscosity
比黏度
补充资料:增比比浓黏度
分子式:
CAS号:
性质:是增比黏度与溶液浓度的比值。增比黏度ηsp表示溶液黏度ηr较溶剂黏度η0增加的倍数,即ηsp=η-η0/η0=ηr-1(式中ηr=η/η0,称为相对黏度)。因为增比黏度的数值依赖于溶液的浓度c,所以表示溶液的黏度时必须有浓度的数据。表示单位浓度对溶液黏度的贡献,称为增比比浓黏度,即ηsp/C=(ηr-1)/c。单位为m1/g或d1/g。其数值随浓度的不同而改变。
CAS号:
性质:是增比黏度与溶液浓度的比值。增比黏度ηsp表示溶液黏度ηr较溶剂黏度η0增加的倍数,即ηsp=η-η0/η0=ηr-1(式中ηr=η/η0,称为相对黏度)。因为增比黏度的数值依赖于溶液的浓度c,所以表示溶液的黏度时必须有浓度的数据。表示单位浓度对溶液黏度的贡献,称为增比比浓黏度,即ηsp/C=(ηr-1)/c。单位为m1/g或d1/g。其数值随浓度的不同而改变。
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参考词条