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Compatibilizing Effect of Starch-grafted-Poly(L-lactide) on the Poly(epsilon-caprolactone)/Starch Composites
Chen, Li2; Zhang, Zhe2; Zhuang, Xiuli1; Chen, Xuesi1; Jing, Xiabin1
2010-09-05
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume117Issue:5Pages:2724-2731
AbstractThe poly(epsilon-caprolactone) (PCL)/starch blends were prepared with a coextruder by using the starch grafted PLLA copolymer (St-g-PLLA) as compatibilizers. The thermal, mechanical, thermo-mechanical, and morphological characterizations were performed to show the better performance of these blends compared with the virgin PCL/starch blend without the compatibilizer. Interfacial adhesion between PCL matrix and starch dispersion phases dominated by the compatibilizing effects of the St-g-PLLA copolymers was significantly improved. Mechanical and other physical properties were correlated with the compatibilizing effect of the St-g-PLLA copolymer. With the addition of starch acted as rigid filler, the Young's modulus of the PCL/starch blends with or without compatibilizer all increased, and the strength and elongation were decreased compared with pure PCL. Whereas when St-g-PLLA added into the blend, starch and PCL, the properties of the blends were improved markedly. The 50/50 composite of PCL/starch compatibilized by 10% St-g-PLLA gave a tensile strength of 16.6 MPa and Young's modulus of 996 MPa, respectively, vs. 8.0 MPa and 597 MPa, respectively, for the simple 50/50 blend of PCL/starch. At the same time, the storage modulus of compatibilized blends improved to 2940 MPa. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 117: 2724-2731, 2010
KeywordPcl/starch Blend Starch-g-plla Compatibilizer Interfacial Adhesion
DOI10.1002/app.31269
Indexed BySCI
Language英语
WOS IDWOS:000279996500027
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/69720
Collection中国科学院化学研究所
Corresponding AuthorChen, Xuesi
Affiliation1.Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.NE Normal Univ, Dept Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Chen, Li,Zhang, Zhe,Zhuang, Xiuli,et al. Compatibilizing Effect of Starch-grafted-Poly(L-lactide) on the Poly(epsilon-caprolactone)/Starch Composites[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2010,117(5):2724-2731.
APA Chen, Li,Zhang, Zhe,Zhuang, Xiuli,Chen, Xuesi,&Jing, Xiabin.(2010).Compatibilizing Effect of Starch-grafted-Poly(L-lactide) on the Poly(epsilon-caprolactone)/Starch Composites.JOURNAL OF APPLIED POLYMER SCIENCE,117(5),2724-2731.
MLA Chen, Li,et al."Compatibilizing Effect of Starch-grafted-Poly(L-lactide) on the Poly(epsilon-caprolactone)/Starch Composites".JOURNAL OF APPLIED POLYMER SCIENCE 117.5(2010):2724-2731.
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