关于乌氏黏度计法与凝胶渗透色谱法测定聚合物平均分子量实验的讨论  

Discussion on the Experiment of Measuring Average Molecular Weight of Polymer via Ubbelohde Viscometer Method and Gel Permeation Chromatography Method

作　　者：秦建彬 史学涛[1] 李春梅[1] 狄西岩[1] 张广成[1] 焦剑[1] Qin Jianbin;Shi Xuetao;Li Chunmei;Di Xiyan;Zhang Guangcheng;Jiao Jian(School of Chemistry and Chemical Engineering,Northwestern Polyechnical University,Xi'an,Shaanxi 710129)

机构地区：[1]西北工业大学化学与化工学院,陕西西安710129

出　　处：《化工高等教育》2020年第2期151-154,共4页Higher Education in Chemical Engineering

基　　金：2019年“中央高校建设世界一流大学(学科)和特色发展引导专项资金”项目子项目“实验核心课程建设-理学院”(项目编号:19GH0101313);中央高校基本科研业务费-青年教师科技创新项目(编号:310201911cx015)。

摘　　要：乌氏黏度计法(稀溶液黏度法)和凝胶渗透色谱法测定聚合物分子量的实验是高分子物理实验教学中常见的关于聚合物分子量表征的实验。文章从实验原理、实验操作可行性、实验结果可靠性等多个方面,分析了乌氏黏度计法和凝胶渗透色谱法测定聚合物平均分子量实验的优缺点,可为相关院校高分子物理实验教学中聚合物分子量测定实验的开设提供一定的指导。Ubbelohde viscometer method(dilute solution viscometer method)and gel permeation chromatography method are commonly used in polymer physics experimental teaching to measure average molecular weight of polymer.In this paper,according to the experimental principle,experimental feasibility,reliability of the results,etc.,advantages and disadvantages about measuring average molecular weight of polymer using Ubbelohde viscometer method and gel permeation chromatography method were discussed.This study will provide some theoretical guidance for polymer physics experimental teaching in colleges to measure average molecular weight of polymers.

关 键 词：乌氏黏度计 凝胶渗透色谱 实验教学 平均分子量 

分 类 号：G642[文化科学—高等教育学] O631.61-4[文化科学—教育学]