ICCAS OpenIR
Morphology, crystallization and enzymatic hydrolysis of poly(L-lactide) nucleated using layered metal phosphonates
Wang, Shusheng; Han, Changyu; Bian, Junjia; Han, Lijing; Wang, Xuemei; Dong, Lisong
2011-02-01
Source PublicationPOLYMER INTERNATIONAL
ISSN0959-8103
Volume60Issue:2Pages:284-295
AbstractPoly(L-lactide) (PLLA) was prepared via melt blending and nucleated using three layered metal phosphonates, i.e. zinc phenylphosphonate (PPZn), calcium phenylphosphonate (PPCa) and barium phenylphosphonate (PPBa). The morphology, crystallization and enzymatic hydrolysis of PLLA nucleated using PPZn, PPCa and PPBa were investigated. The results of both wide-angle X-ray diffraction and transmission electron microscopy observations show that the layers of PPZn, PPCa or PPBa are barely exfoliated or intercalated by PLLA chains in the melt-blending process. PPZn, PPCa and PPBa serve as effective nucleating agents, accelerating both non-isothermal and isothermal crystallization and enzymatic hydrolysis of PLLA. An interesting aspect is that the nucleating ability of PLLA incorporating PPZn, PPCa and PPBa decreases in the order PPZn > PPCa > PPBa, whereas the enzymatic hydrolysis of PLLA incorporating PPZn, PPCa and PPBa decreases in the reverse order, which is due to the different dispersion and interfacial interactions of PPZn, PPCa and PPBa throughout the PLLA matrix. (C) 2010 Society of Chemical Industry
KeywordPoly(L-lactide) Nucleating Agents Crystallization Enzymatic Hydrolysis
DOI10.1002/pi.2947
Indexed BySCI
Language英语
WOS IDWOS:000287058300016
PublisherJOHN WILEY & SONS LTD
Citation statistics
Cited Times:54[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/72722
Collection中国科学院化学研究所
Corresponding AuthorHan, Changyu
AffiliationChangchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Wang, Shusheng,Han, Changyu,Bian, Junjia,et al. Morphology, crystallization and enzymatic hydrolysis of poly(L-lactide) nucleated using layered metal phosphonates[J]. POLYMER INTERNATIONAL,2011,60(2):284-295.
APA Wang, Shusheng,Han, Changyu,Bian, Junjia,Han, Lijing,Wang, Xuemei,&Dong, Lisong.(2011).Morphology, crystallization and enzymatic hydrolysis of poly(L-lactide) nucleated using layered metal phosphonates.POLYMER INTERNATIONAL,60(2),284-295.
MLA Wang, Shusheng,et al."Morphology, crystallization and enzymatic hydrolysis of poly(L-lactide) nucleated using layered metal phosphonates".POLYMER INTERNATIONAL 60.2(2011):284-295.
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