Physical properties of polydimethylsiloxane-containing elastomers and their electrospun nanofibre mats

W. L. Chai, Y. C. Shu, W. C. Tseng, C. C. Chen, S. C. Jang, J. D. Chow, F. S. Chuang, M. F. Lin

研究成果: 雜誌貢獻文章

摘要

A series of polydimethylsiloxane-containing elastomers (Selastomers) were synthesised from 4,4′-diphenylmethane diisocyanate (MDI), 1,4-butanediol (1,4-BD) and polydimethylsiloxane (PDMS). Through TGA analysis, S elastomers exhibited a four-stage degradation. The first and second stages resulted from the degradation of hard segment; the complicated degradation behaviour in the stages is associated with two hard-segment structures in the S elastomers. The third stage was the decomposition of PDMS, in which a cyclosiloxane degradation product was formed; subsequently, at a higher temperature it proved to be macrocyclics, which were degraded in the vicinity of 550 °C Obviously, the degradation of S elastomers differed from the two-stage degradation of conventional polyurethane. Compared to conventional polyurethane, S elastomers presented better mechanical properties, showing the strength and elongation at break about 5.6-20.6 MPa and 550-830 96, respectively. With the better mechanical properties of S elastomers, nano-structured fibre mats were produced by electrospinning. Fibre morphology was observed by SEM and the effects of processing variables, including solution concentrations and voltages, on the morphology were evaluated.

原文英語
頁(從 - 到)431-441
頁數11
期刊Polymers and Polymer Composites
17
發行號7
出版狀態已發佈 - 2009

指紋

Elastomers
Polydimethylsiloxane
Nanofibers
Physical properties
Degradation
Polyurethanes
Mechanical properties
Fibers
Electrospinning
baysilon
Elongation
Decomposition
Scanning electron microscopy
Electric potential
Processing

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry
  • Polymers and Plastics

引用此文

Chai, W. L., Shu, Y. C., Tseng, W. C., Chen, C. C., Jang, S. C., Chow, J. D., ... Lin, M. F. (2009). Physical properties of polydimethylsiloxane-containing elastomers and their electrospun nanofibre mats. Polymers and Polymer Composites, 17(7), 431-441.

Physical properties of polydimethylsiloxane-containing elastomers and their electrospun nanofibre mats. / Chai, W. L.; Shu, Y. C.; Tseng, W. C.; Chen, C. C.; Jang, S. C.; Chow, J. D.; Chuang, F. S.; Lin, M. F.

於: Polymers and Polymer Composites, 卷 17, 編號 7, 2009, p. 431-441.

研究成果: 雜誌貢獻文章

Chai, WL, Shu, YC, Tseng, WC, Chen, CC, Jang, SC, Chow, JD, Chuang, FS & Lin, MF 2009, 'Physical properties of polydimethylsiloxane-containing elastomers and their electrospun nanofibre mats', Polymers and Polymer Composites, 卷 17, 編號 7, 頁 431-441.
Chai, W. L. ; Shu, Y. C. ; Tseng, W. C. ; Chen, C. C. ; Jang, S. C. ; Chow, J. D. ; Chuang, F. S. ; Lin, M. F. / Physical properties of polydimethylsiloxane-containing elastomers and their electrospun nanofibre mats. 於: Polymers and Polymer Composites. 2009 ; 卷 17, 編號 7. 頁 431-441.
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