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Proceedings Paper

Application of twelve variables gradient method to the study of poly (beta-hydroxybutyrate) crystallization
Author(s): Hongqi Li; Shihu Ma; Dongmei Xing; Jingwei Tong; Linan Li; Shibin Wang; Guoxiang Cheng
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Paper Abstract

Poly(3-hydroxybutyrate) exhibits remarkable embrittlement upon storage at room temperature, and this problem limits its widely use in technical purpose. In this paper, morphology and micro-structure of PHB spherulite are investigated by using the twelve variables gradient method and polarization microscope. The results indicate that the PHB spherulites could continuously crystallize, namely: secondary crystallization, the morphology and micro-structure of PHB spherulite are changed, the embrittlement at room temperature was resulted from PHB secondary crystallization. Competition phenomenon in the process of PHB secondary crystallization was found.

Paper Details

Date Published: 29 April 2003
PDF: 5 pages
Proc. SPIE 5058, Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002, (29 April 2003); doi: 10.1117/12.509886
Show Author Affiliations
Hongqi Li, Tianjin Univ. (China)
Shihu Ma, Tianjin Univ. (China)
Dongmei Xing, Tianjin Univ. (China)
Jingwei Tong, Tianjin Univ. (China)
Linan Li, Tianjin Univ. (China)
Shibin Wang, Tianjin Univ. (China)
Guoxiang Cheng, Tianjin Univ. (China)


Published in SPIE Proceedings Vol. 5058:
Optical Technology and Image Processing for Fluids and Solids Diagnostics 2002

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