Stereoselective ring-opening polymerization of rac-lactide by bulky chiral and achiral N-heterocyclic carbenes

CORC > 宁波材料技术与工程研究所 > 中国科学院宁波材料技术与工程研究所 > 2018专题

	Stereoselective ring-opening polymerization of rac-lactide by bulky chiral and achiral N-heterocyclic carbenes
	Ai, Bai-Ru; Li, Hui; Hong, Miao
刊名	CHINESE JOURNAL OF POLYMER SCIENCE
	2018
卷号	36 期号:2 页码:231-236
关键词	Metal-complexes Cyclic Esters Meso-lactide Kinetic Resolution Poly(Lactic Acid) Racemic Lactide Catalysts Organocatalysts Opportunities Ligands
英文摘要	Despite the extraordinary success has been achieved in metal catalyst-promoted stereoselective ring-opening polymerization (ROP) of rac-lactide (rac-LA), well-controlled stereoselective rac-LA ROP by organic catalyst still remains a scientific challenge. Here we report our investigations into organocatalytic stereoselective ROP of rac-LA by utilizing novel bulky chiral and achiral N-heterocyclic carbenes (NHC), 1,3-bis-(1'-naphthylethyl)imidazolin-2-ylidene. The effect of polymerization conditions (e.g. solvent, temperature, alcohol initiator) on ROP behavior by these bulky NHCs has been fully studied, leading to the formation of isotactic-rich stereoblock polylactide (P (i) = 0.81) under optimized conditions with high activity (Conv. = 98% in 30 min) and narrow molecular weight dispersity (AEe = 1.05).
学科主题	Materials Science ; Metallurgy & Metallurgical Engineering
语种	英语
公开日期	2018-12-04
内容类型	期刊论文
源URL	[http://ir.nimte.ac.cn/handle/174433/16841]
专题	2018专题
推荐引用方式 GB/T 7714	Ai, Bai-Ru,Li, Hui,Hong, Miao. Stereoselective ring-opening polymerization of rac-lactide by bulky chiral and achiral N-heterocyclic carbenes[J]. CHINESE JOURNAL OF POLYMER SCIENCE,2018,36(2):231-236.
APA	Ai, Bai-Ru,Li, Hui,&Hong, Miao.(2018).Stereoselective ring-opening polymerization of rac-lactide by bulky chiral and achiral N-heterocyclic carbenes.CHINESE JOURNAL OF POLYMER SCIENCE,36(2),231-236.
MLA	Ai, Bai-Ru,et al."Stereoselective ring-opening polymerization of rac-lactide by bulky chiral and achiral N-heterocyclic carbenes".CHINESE JOURNAL OF POLYMER SCIENCE 36.2(2018):231-236.