ICCAS OpenIR
Influence of Stretching on Crystallization Behavior of Poly (L-lactic acid)
Xing Qian1,2; Zhang Xiu-Qin1; Luo Fa-Liang1,2,3; Liu Guo-Ming1,2; Wang Du-Jin1
2011-04-10
Source PublicationCHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
ISSN0251-0790
Volume32Issue:4Pages:971-977
AbstractThe influence of stretching under different temperatures on the crystallization behavior of poly( L-lactic acid) (PLLA) was investigated by the combinational investigation of Frill, DSc, and XRD It was found that stretching could remarkably improve the crystallization rate and crystallinity of PLLA Stretched at a draw ratio of 3, PLLA forms alpha-form crystals in the temperature range of 90-95 degrees C. Further increasing the draw ratio, the crystallinity remains almost constant. With increasing the stretching temperature up to 105 degrees C, the PLLA films cannot crystallize under stretching. Contrary to the unstretched PLLA film, the stretched PLLA films gradually crystallize during the heating process, indicating that pre-stretching can change the crystallization behavior of PLLA.
KeywordPoly (L-latic Acid) (Plla) Stretching Crystallization
Indexed BySCI
Language英语
WOS IDWOS:000290076100031
PublisherHIGHER EDUCATION PRESS
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/73186
Collection中国科学院化学研究所
Corresponding AuthorWang Du-Jin
Affiliation1.Chinese Acad Sci, Beijing Natl Lab Mol Sci, CAS Key Lab Engn Plast, Inst Chem, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Ningxia Univ, Key Lab Energy & Resource Ningxia, Yinchuan 750021, Peoples R China
Recommended Citation
GB/T 7714
Xing Qian,Zhang Xiu-Qin,Luo Fa-Liang,et al. Influence of Stretching on Crystallization Behavior of Poly (L-lactic acid)[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2011,32(4):971-977.
APA Xing Qian,Zhang Xiu-Qin,Luo Fa-Liang,Liu Guo-Ming,&Wang Du-Jin.(2011).Influence of Stretching on Crystallization Behavior of Poly (L-lactic acid).CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,32(4),971-977.
MLA Xing Qian,et al."Influence of Stretching on Crystallization Behavior of Poly (L-lactic acid)".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 32.4(2011):971-977.
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