The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
ru ju ding ben gong ju wu de zu cheng ce ding ji jie gou biao zheng
Author(s): 
Pages: 53-57
Year: Issue:  1
Journal: Qilu Petrochemical Technology

Keyword:  乳聚丁苯共聚物13 C—NMR谱统计稳态;
Abstract: 本文研究了齐鲁石化公司乳聚丁苯共聚物在不同转化率条件下的粘度、凝胶含量、分子量及其分布;并通过沉淀分级法,借助GPC法和核磁共振(NMR)波谱法对成品胶的分级样进行了测定。结果表明,随转化率提高,聚台物特性粘数增大,但凝胶含量不随之而增加。成品胶分级样的13C—NMR谱计算指出,微观结构及二元组含量基本不随分子量的变化而改变;应用概率统计方法计算表明,二元组的链段分布符合统计稳态,共聚物分子的链段属无规分布。
Related Articles
No related articles found