Effect of the melting temperature on the crystallization behavior of a poly(L-lactide)/poly(D-lactide) equimolar mixture

	Effect of the melting temperature on the crystallization behavior of a poly(L-lactide)/poly(D-lactide) equimolar mixture
	Yin, Yongai 1; Song, Yan 1; Xiong, Zujiang 1; Zhang, Xiuqin 2; de Vos, Sicco 3; Wang, Ruyin 4; Joziasse, Cornelis A. P.3; Liu, Guoming 1; Wang, Dujin 1
刊名	JOURNAL OF APPLIED POLYMER SCIENCE
	2016-03-10
卷号	133 期号:10
关键词	biocompatibility biodegradable crystallization polyesters
英文摘要	The effect of the final melting temperature (T-f) on the crystallization of poly(L-lactide) (PLLA)/poly(D-lactide) (PDLA) was studied via a combination of differential scanning calorimetry, wide-angle X-ray scattering, polarized optical microscopy, and Fourier transform infrared (FTIR) spectroscopy. We observed that a residual stereocomplex (SC) crystal induced the formation of SC crystals during cooling from a T-f (230 degrees C) just above the melting peak of the SC crystals. On cooling from a T-f (240 degrees C) just above the endset temperature of SC crystal melting [T-m(S)(E)], the possible order structure and the strong interchain interaction promoted the preferential crystallization of SC crystals; this enhanced the formation of alpha crystals. During cooling from a T-f (>= 250 degrees C) far above T-m(S)(E), the crystallization peaks of alpha and SC crystals converged. The FTIR results indicated that the residual SC crystals, possible ordered structure, and interchain interactions in the melt might have been the key factors for the different crystallization of PLLA/PDLA. (C) 2015 Wiley Periodicals, Inc.
收录类别	SCI
语种	英语
公开日期	2016-03-15
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/29734]
专题	化学研究所_工程塑料实验室
作者单位	1.Chinese Acad Sci, Inst Chem, Key Lab Engn Plast, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China 2.Beijing Inst Fash Technol, Sch Mat Sci & Engn, Beijing 100029, Peoples R China 3.Corb Purac, NL-4200 AA Gorinchem, Netherlands 4.Corb Purac China, Shanghai 201100, Peoples R China
推荐引用方式 GB/T 7714	Yin, Yongai,Song, Yan,Xiong, Zujiang,et al. Effect of the melting temperature on the crystallization behavior of a poly(L-lactide)/poly(D-lactide) equimolar mixture[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2016,133(10).
APA	Yin, Yongai.,Song, Yan.,Xiong, Zujiang.,Zhang, Xiuqin.,de Vos, Sicco.,...&Wang, Dujin.(2016).Effect of the melting temperature on the crystallization behavior of a poly(L-lactide)/poly(D-lactide) equimolar mixture.JOURNAL OF APPLIED POLYMER SCIENCE,133(10).
MLA	Yin, Yongai,et al."Effect of the melting temperature on the crystallization behavior of a poly(L-lactide)/poly(D-lactide) equimolar mixture".JOURNAL OF APPLIED POLYMER SCIENCE 133.10(2016).