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Synthesis and Properties of Poly(trimethylene terephthalate-co-2-methyl-ethylene terephthalate) Random Copolyesters
Wu, Fangjuan1,2; Yang, Guisheng1,3
2010-06-15
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume116Issue:6Pages:3419-3426
AbstractPoly(trimethylene terephthalate-co-2-methylethylene terephthalate) random copolymers of various compositions were synthesized via traditional two-step polycondensation by incorporating of 1,2-propanediol. The molar composition of trimethylene terephthalate and 2-methyl-ethylene terephthalate units and chemical structure were confirmed by means of (1)H-NMR and Fourier transform infrared. The thermal properties of the copolyesters were evaluated by DSC and TGA. As far as the thermal properties is concerned, the main effect of incorporation of 1,2-propanediol was a lowering in the melting temperature, and an increment of glass transition temperature compared to homopolymer PTT. Due to the effect of the lateral methyl groups in the polymeric chain, the thermal stability is slightly decreased as the amount of the MET units is increased. Furthermore, the crystals of PTT/MET copolyesters were observed by hot-stage optical polarizing microscopy at the indicated crystallization temperatures. As expected, the incorporation of MET units in the polymer chain of PTT was found to decrease the dimension of the crystals. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 116: 3419-3426, 2010
KeywordPoly(Trimethylene Terephthalate) Poly(2-methyl-ethylene Terephthalate) Copolymerization Copolyesters 1 2-propanediol
DOI10.1002/app.31858
Indexed BySCI
Language英语
WOS IDWOS:000276710000037
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/69654
Collection中国科学院化学研究所
Corresponding AuthorYang, Guisheng
Affiliation1.Chinese Acad Sci, Inst Chem, Key Lab Engn Plast, Joint Lab Polymer Sci & Mat, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Shanghai Genius Adv Mat Co Ltd, Shanghai 201109, Peoples R China
Recommended Citation
GB/T 7714
Wu, Fangjuan,Yang, Guisheng. Synthesis and Properties of Poly(trimethylene terephthalate-co-2-methyl-ethylene terephthalate) Random Copolyesters[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2010,116(6):3419-3426.
APA Wu, Fangjuan,&Yang, Guisheng.(2010).Synthesis and Properties of Poly(trimethylene terephthalate-co-2-methyl-ethylene terephthalate) Random Copolyesters.JOURNAL OF APPLIED POLYMER SCIENCE,116(6),3419-3426.
MLA Wu, Fangjuan,et al."Synthesis and Properties of Poly(trimethylene terephthalate-co-2-methyl-ethylene terephthalate) Random Copolyesters".JOURNAL OF APPLIED POLYMER SCIENCE 116.6(2010):3419-3426.
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