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- PurposeTo investigate the effects of various factors on the intrinsic viscosity of N-succinyl-chitosan. 目的探讨不同因素对N-琥珀酰壳聚糖特性黏度的影响。
- Furthermore, the effect of BOZ on enhancing the intrinsic viscosity of PET/PEN blend system was studied for the first time. 首次以BOZ对PET/PEN的共混体系作了扩链增粘的研究。
- The results show that under microwave irradiation, the intrinsic viscosity and the conversion of the polycondensate are raised. 结果表明,微波辐射能提高缩聚物的特性粘数和转化率。
- Introduce the general procedure and standard of viscosity measurement,the method of obtaining the intrinsic viscosity of macromolecular solution. 介绍粘度测量的一般思路,列举出测量粘度的标准名称,简要叙述了高分子溶液特性粘数的获得方法。
- The intrinsic viscosity of PEN chip subjected to solid state polymerization increased from 0 5 dL/g in the stage of melt polymerization to more than 0 7 dL/g. 通过固相聚合后 ;PEN切片的特性粘数可由熔融聚合的 0 .;5 d L/g提高到 0
- FTIR and NMR analysis were used to characterize the polymer structures, the intrinsic viscosity and the percent of hydrophilic moieties were also studied. 用FTIR、NMR对结构进行了表征,并测定了特性粘数与阳离子单体含量。
- A broadened correction method using only single polydispersed polymer sample at the intrinsic viscosity calibration in the experiment of GPC combined with viscometer. 本文提出了一个在GPC-粘度计联用实验中,用单一多分散待测试样进行特性粘度标定时的加宽改正新方法。
- The dispersion of ATO in PET matrix and the effects of ATO on the intrinsic viscosity of PET, the crystallization and thermal behavior of PET were investigated by SEM, DSC, XRD, FTIR and TGA. 利用SEM、DSC、XRD、FTIR和TGA等方法,研究了ATO在PET基体中的分散性、PET/ATO复合材料的结晶行为和热性能。
- The intrinsic viscosities reported were detemined in benzene at 25℃. 特性粘数是在苯中于25℃测定的。
- Along with the decrease of the starch granules size,the Intrinsic Viscosities of amylose and amylopectin declined,which indicated the decrease of starch molecular weight. 随着淀粉粒度减小,其支链淀粉和直链淀粉糊的特性黏度降低,分子量下降。布拉班德黏度分析表明,微细化玉米淀粉糊化起始温度下降,热糊稳定性增强;
- Along with the decrease of the starch granules size, the Intrinsic Viscosities of amylose and amylopectin declined, which indicated the decrease of starch molecular weight. 随着淀粉粒度减小,其支链淀粉和直链淀粉糊的特性黏度降低,分子量下降。
- The intrinsic value of a coin is the value of the metal it is made of. 一枚钱币的内在价值是造这枚钱币的金属的价值。
- The structures of the copolymers were characterized by FTIR spectra,and their molecular weights were correspondingly expressed by the intrinsic viscosities obtained with an Ubbelohde viscometer. 用红外光谱法对共聚物的结构进行了表征,使用乌氏粘度法测定了特性粘数,相对表示出了共聚物的分子量;
- When the recovery was higher during the solution polymerization, the molecularweight of AN-IA copolymer was calculated by using the intrinsic viscosities of the diluted reactionsolutions. 在溶液聚合的转化率比较高时,直接对反应液进行稀释并测其粘度来求聚合物的分子量。
- Effects of various factors on the intrinsic viscosity of N-succinyl-chitosan 不同因素对N-琥珀酰壳聚糖特性黏度的影响
- Determining the intrinsic viscosity of carboxymethy chitosan by one-point method 一点法测定羧甲基壳聚糖的特性粘度
- The intrinsic viscosity of chlorinated polypropylene-toluene and the viscosity average molecular weight of chlorinated polypropylene 氯化聚丙烯甲苯溶液的特性黏数及其黏均分子量
- BROADENED CORRECTION AT THE INTRINSIC VISCOSITY CALIBRATION USING SINGLE POLYDISPERSED POLYMER SAMPLE IN THE EXPERIMENT OF GPC COMBINED WITH ViSCOMETER 用单一多分散试样以GPC联用粘度计进行特性粘度标定时的加宽改正
- The intrinsic worth of the pen is 30 yuan. 这支钢笔本身价值是30元。
- The intrinsic viscosities reported were detemined in benzene at 25 特性粘数是在苯中于25℃测定的。