Ring-opening polymerization of epsilon-caprolactone and L-lactide using organic amino calcium catalyst

	Ring-opening polymerization of epsilon-caprolactone and L-lactide using organic amino calcium catalyst
	Piao LH ; Deng MX ; Chen XS ; Jiang LS ; Jing XB
刊名	polymer
	2003
卷号	44 期号:8 页码:2331-2336
关键词	PLA/PEO/PLA TRIBLOCK COPOLYMERS HYDROLYTIC DEGRADATION ACID) SYSTEMS
ISSN号	0032-3861
通讯作者	jing xb
中文摘要	poly (6-caprolactone) (pcl) and poly (l-lactide) (pla) were prepared by ring-opening polymerization catalyzed by organic amino calcium catalysts (ca/po and ca/eo) which were prepared by reacting calcium ammoniate ca(nh3)(6) with propylene oxide and ethylene oxide, respectively. the catalysts exhibited high activity and the ring-opening polymerization behaved a quasi-living characteristic. based on the fr-ir spectra and the calcium contents of the catalysts, and based on the h-1 nmr end-group analysis of the low molecular weight pcl prepared using catalysts ca/po and ca/eo, it was proposed that the catalysts have the structure of nh2-ca-o-ch(ch3)(2) and nh2-cao-ch2ch3 for ca/po and ca/eo, respectively. the ring-opening polymerization of cl and la follows a coordination-insertion mechanism and the active site is the ca-o bond.
收录类别	SCI
语种	英语
WOS记录号	WOS:000181914600019
公开日期	2010-09-13
内容类型	期刊论文
源URL	[http://202.98.16.49/handle/322003/17875]
专题	长春应用化学研究所_长春应用化学研究所知识产出_期刊论文
推荐引用方式 GB/T 7714	Piao LH,Deng MX,Chen XS,et al. Ring-opening polymerization of epsilon-caprolactone and L-lactide using organic amino calcium catalyst[J]. polymer,2003,44(8):2331-2336.
APA	Piao LH,Deng MX,Chen XS,Jiang LS,&Jing XB.(2003).Ring-opening polymerization of epsilon-caprolactone and L-lactide using organic amino calcium catalyst.polymer,44(8),2331-2336.
MLA	Piao LH,et al."Ring-opening polymerization of epsilon-caprolactone and L-lactide using organic amino calcium catalyst".polymer 44.8(2003):2331-2336.