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Toughening of polyethylene terephthalate/amorphous copolyester blends with a maleated thermoplastic elastomer
Yu, ZZ; Lei, M; Ou, YC; Yang, GS
2003-07-18
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume89Issue:3Pages:797-805
AbstractThe toughening of polyethylene terephthalate (PET)/amorphous copolyester (PETG) blends using a maleic anhydride grafted mixture (TPEg) of polyethylene-octene elastomer and a semicrystalline polyolefin plastic (60/40 by weight) was examined. The TPEg was more effective,e in toughening PETG than PET, although the dispersion qualities of the TPEg particles in PET and PETG matrices were very similar. At the fixed TPEg content of 15 wt %, replacing partial PET by PETG resulted in a sharp brittle-ductile transition when the PETG content exceeded the PET content. Before the transition, PET/PETG blends were not toughened with the TPEg of 15 wt %, whereas after the transition, the PET/PETG blends with 15 wt % of TPEg, similar to the PETG/TPEg (85/15) binary blend, maintained a super-tough level. The impact-fractured surfaces of the PET/PETG/TPEg blends were also evaluated. When PETG content was lower than PET content, the ternary blend showed a brittle feature in its impact-fractured surface Similar to the PET/TPEg (85/15) binary blend. While PETG content exceeded PET content, however, the impact-fractured surface of the ternary blend was very similar to that of PETG/TPEg (85/15) binary blend, exhibiting intensive cavitation and massive matrix shear yielding, which were believed to be responsible for the super-tough level of the blends. (C) 2003 Wiley Periodicals, Inc.
KeywordPolyethylene Terephthalate Copolyester Polyethylene-octene Copolymer Toughness Blends
DOI10.1002/app.12300
Indexed BySCI
Language英语
WOS IDWOS:000182931900030
PublisherJOHN WILEY & SONS INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/80620
Collection中国科学院化学研究所
Corresponding AuthorYu, ZZ
Affiliation1.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, State Key Lab Engn Plast, Beijing 100080, Peoples R China
2.Univ Sydney, Sch Aerosp Mech & Mechatron Engn J07, Ctr Adv Mat Technol, Sydney, NSW 2006, Australia
Recommended Citation
GB/T 7714
Yu, ZZ,Lei, M,Ou, YC,et al. Toughening of polyethylene terephthalate/amorphous copolyester blends with a maleated thermoplastic elastomer[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2003,89(3):797-805.
APA Yu, ZZ,Lei, M,Ou, YC,&Yang, GS.(2003).Toughening of polyethylene terephthalate/amorphous copolyester blends with a maleated thermoplastic elastomer.JOURNAL OF APPLIED POLYMER SCIENCE,89(3),797-805.
MLA Yu, ZZ,et al."Toughening of polyethylene terephthalate/amorphous copolyester blends with a maleated thermoplastic elastomer".JOURNAL OF APPLIED POLYMER SCIENCE 89.3(2003):797-805.
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