ICCAS OpenIR
Miscibility and phase structure of binary blends of polylactide and poly(methyl methacrylate)
Zhang, GB; Zhang, JM; Wang, SG; Shen, DY
2003
Source PublicationJOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
ISSN0887-6266
Volume41Issue:1Pages:23-30
AbstractBlends of amorphous poly(DL-lactide) (DL-PLA) and crystalline poly(L-lactide) (PLLA) with poly(methyl methacrylate) (PMMA) were prepared by both solution/precipitation and solution-casting film methods. The miscibility, crystallization behavior, and component interaction of these blends were examined by differential scanning calorimetry. Only one glass-transition temperature (T-g) was found in the DL-PLA/PMMA solution/precipitation blends, indicating miscibility in this system. Two isolated T-g's appeared in the DL-PLA/PMMA solution-casting film blends, suggesting two segregated phases in the blend system, but evidence showed that two components were partially miscible. In the PLLA/PMMA blend, the crystallization of PLLA was greatly restricted by amorphous PMMA. Once the thermal history of the blend was destroyed, PLLA and PMMA were miscible. The T-g composition relationship for both DL-PLA/PMMA and PLLA/PMMA miscible systems obeyed the Gordon-Taylor equation. Experiment results indicated that there is no more favorable trend of DL-PLA to form miscible blends with PMMA than PLLA when PLLA is in the amorphous state. (C) 2002 Wiley Periodicals, Inc.
KeywordPolylactide Poly(Methyl Methacrylate) Miscibility Blends Crystalline
DOI10.1002/polb.10353
Indexed BySCI
Language英语
WOS IDWOS:000179974700003
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:136[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/80856
Collection中国科学院化学研究所
Corresponding AuthorShen, DY
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, State Key Lab Polymer Phys & Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Zhang, GB,Zhang, JM,Wang, SG,et al. Miscibility and phase structure of binary blends of polylactide and poly(methyl methacrylate)[J]. JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,2003,41(1):23-30.
APA Zhang, GB,Zhang, JM,Wang, SG,&Shen, DY.(2003).Miscibility and phase structure of binary blends of polylactide and poly(methyl methacrylate).JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS,41(1),23-30.
MLA Zhang, GB,et al."Miscibility and phase structure of binary blends of polylactide and poly(methyl methacrylate)".JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS 41.1(2003):23-30.
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