文献类型：期刊文献

中文题名：可降解小麦麸质蛋白材料交联反应过程

英文题名：Cross-Linking Process of Biodegradable Wheat Gluten Sheet

作者：王雪红[1];潘泳康[1];王庆海[1];袁荞龙[1]

机构：[1]华东理工大学材料科学与工程学院,上海200237

年份：2010

卷号：36

期号：2

起止页码：234

中文期刊名：华东理工大学学报（自然科学版）

外文期刊名：Journal of East China University of Science and Technology

收录：CSTPCD;;Scopus;北大核心:【北大核心2008】；CSCD:【CSCD2011_2012】；

基金：上海市科委-联合利华研发基金(200508)

语种：中文

中文关键词：小麦麸质蛋白;无转子硫化仪;交联反应;反应活化能;双硫键

外文关键词：wheat gluten; rotorless curemeter; cross-linking reaction; activation energy; disulfide bonds

摘要：将小麦麸质蛋白原粉预压为圆片,采用无转子硫化仪研究其交联过程,并用拉曼光谱对小麦麸质蛋白中的双硫键进行表征。借鉴橡胶硫化机理,研究了模压温度、圆片厚度、硫化温度对小麦麸质蛋白交联过程的影响。研究结果表明:模压温度、圆片厚度对交联速度的影响不大,但反应活化能却随预压温度的升高而增大;随着硫化温度的升高,硫化平坦期缩短,交联反应速率常数增大。
Vital wheat gluten as agropolymer was preformed into disks via compression molding,the cross-linking process of the disks was investigated by rotorless curemeter,and the disulfide bonds intensity of cross-linking disks was characterized by Raman spectroscopy.According to rubber vulcanization mechanism,the influence of molding temperature,disk thickness and vulcanization temperature on the cross-linking process of wheat gluten was studied.The results showed that disk thickness and molding temperature had very weak effect on reaction rate;and that activation energy of the cross-linking increased with increasing temperature of preforming.With increasing vulcanization temperature of wheat gluten,the rate constant of the cross-linking increased,whereas plateau of vulcanizing curves shortened.