|本期目录/Table of Contents|

[1]马玖彤,李全顺,王元鸿,等.引发剂对酶促开环聚合ε-己内酯的影响[J].生物加工过程,2006,4(04):26-31.[doi:10.3969/j.issn.1672-3678.2006.04.006]
 MA Jiu-tong,LI Quan-shun,WANG Yuan-hong,et al.Effect of initiators on enzyme-catalyzed ring-opening polymerization of ε-caprolactone[J].Chinese Journal of Bioprocess Engineering,2006,4(04):26-31.[doi:10.3969/j.issn.1672-3678.2006.04.006]
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引发剂对酶促开环聚合ε-己内酯的影响()
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《生物加工过程》[ISSN:1672-3678/CN:32-1706/Q]

卷:
4
期数:
2006年04期
页码:
26-31
栏目:
出版日期:
2006-11-30

文章信息/Info

Title:
Effect of initiators on enzyme-catalyzed ring-opening polymerization of ε-caprolactone
作者:
马玖彤李全顺王元鸿韩四平冯雁
吉林大学, 分子酶学工程教育部重点实验室, 长春, 130023
Author(s):
MA Jiu-tong LI Quan-shun WANG Yuan-hong HAN Si-ping FENG Yan
关键词:
脂肪酶ε-己内酯开环聚合引发剂无溶剂条件
分类号:
TQ316.341
DOI:
10.3969/j.issn.1672-3678.2006.04.006
摘要:
通过脂肪酶Novozym 435催化的ε-己内酯开环聚合反应,在无溶剂体系中研究了聚己内酯的合成及末端官能化.以醇类为引发剂,研究了引发剂对聚合过程单体转化率、产物结构和相对分子质量的影响.结果表明,在引发剂存在的条件下,反应速率提高,产物相对分子质量降低.无引发剂时单体转化率为79.32%,乙醇和乙二醇为引发剂时分别为97.43%和89.90%.产物相对分子质量在无引发剂时为5 393,乙醇和乙二醇为引发剂时分别下降到2 127和1 851.另外,产物的红外光谱和1H NMR谱图显示,引发剂的加入实现了聚合物的末端官能化.

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备注/Memo

备注/Memo:
基金项目:吉林省科技厅高技术重点项目
更新日期/Last Update: 1900-01-01