Morphologies and structures in poly(l-lactide-b-ethylene oxide) copolymers determined by crystallization, microphase separation, and vitrification

doi:10.1007/s00289-011-0518-8

CORC > 化学研究所 > 中国科学院化学研究所

	Morphologies and structures in poly(l-lactide-b-ethylene oxide) copolymers determined by crystallization, microphase separation, and vitrification
	Huang, Shaoyong 1,2; Li, Hongfei 1; Jiang, Shichun 3; Chen, Xuesi 2; An, Lijia 1
刊名	POLYMER BULLETIN
	2011-09-01
卷号	67 期号:5 页码:885-902
关键词	Crystallization Morphology Structure Microphase Separation Vitrification Poly(L-lactide-b-ethylene Oxide) coPolymer
ISSN号	0170-0839
DOI	10.1007/s00289-011-0518-8
英文摘要	Morphologies and structures determined by crystallization of the blocks, microphase separation of the copolymers, and vitrification of PLLA block in poly(l-lactide-b-ethylene oxide) (PLLA-b-PEO) copolymers were investigated using microscopic techniques and synchrotron small angle X-ray scattering. The PLLA-b-PEO copolymer films were crystallized from two different annealing processes: melt crystallization (process A) or crystallized from glass state of PLLA block after quenching from melt state (process B). The relationship between the crystalline morphology and microstructure of the copolymers were explored using SAXS. The morphology and phase structure are predominated by crystallization of PLLA block, and greatly influenced by microphase separation of the copolymers. In process B, lozenge-shape and truncated lozenge-shaped PLLA crystals of nanometer scale can be observed. The crystalline morphology is markedly affected by the microstructure formed during the annealing process. Star-shaped morphologies stacked with PLLA single crystals were observed.
语种	英语
出版者	SPRINGER
WOS记录号	WOS:000293635200011
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/73441]
专题	中国科学院化学研究所
通讯作者	An, Lijia
作者单位	1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China 2.Chinese Acad Sci, Changchun Inst Appl Chem, Key Lab Polymer Ecomat, Changchun 130022, Peoples R China 3.Tianjin Univ, Sch Mat Sci & Engn, Tianjin 300072, Peoples R China
推荐引用方式 GB/T 7714	Huang, Shaoyong,Li, Hongfei,Jiang, Shichun,et al. Morphologies and structures in poly(l-lactide-b-ethylene oxide) copolymers determined by crystallization, microphase separation, and vitrification[J]. POLYMER BULLETIN,2011,67(5):885-902.
APA	Huang, Shaoyong,Li, Hongfei,Jiang, Shichun,Chen, Xuesi,&An, Lijia.(2011).Morphologies and structures in poly(l-lactide-b-ethylene oxide) copolymers determined by crystallization, microphase separation, and vitrification.POLYMER BULLETIN,67(5),885-902.
MLA	Huang, Shaoyong,et al."Morphologies and structures in poly(l-lactide-b-ethylene oxide) copolymers determined by crystallization, microphase separation, and vitrification".POLYMER BULLETIN 67.5(2011):885-902.