摘要
革屑水解液是一个多分散性的高分子体系,欲采用乌氏粘度法测定其粘均分子量,首先要求出常数K和α值:先利用5种已知分子量的蛋白质分别在其等电点处测其特性粘度,再以lg[η]-lg M作图,所得曲线斜率即为α值,截距即为lg K值。结果表明:常数K值为1.196×10^(-3),α值为0.7257。即革屑水解液粘均分子量的计算公式为[η]=1.196×10^(-3) M^(0.7257)。
Leather hydrolyzed chip is a multi-dispersible polymer system, and ubbelohde viscosity method was used to determine their viscosity-average molecular weight. The first thing was to calculate that the constant K and α： the characteristic viscosity of 5 proteins with known molecular weight were measured at the isoelectric point of the protein, then again with lg[η]-lg M mapping, the slope of the resulting curve is α, the intercept is lg K. The results showed that ：the constant K value was 1.196 ×10^-3, with α value of 0.7257. The formula for calculating the viscosity-average molecular weight of the leather hydrolyzed chip was [η]=1.196×10^-3M^0.7257.
出处
《皮革与化工》
CAS
2017年第1期10-14,共5页
Leather And Chemicals
基金
烟台市重点研发计划
新型高效泡沫混凝土发泡剂的研发及产业化(2015SF052)
关键词
革屑水解液
乌氏粘度计
粘均分子量
测定
leather hydrolyzed chip
ubbelohde viscometer
viscosity-average molecular weight
determination
作者简介
罗艳华（1993-），女，山东省郓城县人，陕西科技大学硕士研究生。E-mail：1430786457@qq．com
通讯联系人：王全杰（1950-），男，烟台大学教授，主要研究废革屑的资源化利用。E—mail：wangquanjie@126．com
