Citation: Xiu Ying QIAO, Xian Hong WAN, Zhao Bin QIU, Zhi Shen MO, Wen Kui WANG. The Crystallization of Poly (3-dodecylthiophene) in an Oriented Solidification Environment[J]. Chinese Chemical Letters, ;2000, 11(4): 361-364. shu

The Crystallization of Poly (3-dodecylthiophene) in an Oriented Solidification Environment

a Polymer Physics Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022;
b Institute of Material Engineering, Yanshan University, Qinhuangdao 066004

Received Date: 5 November 1999
Revised Date: 14 January 2000

Fund Project: This investigation is supported by the Chinese "863-2" high technology funds.

The crystallization behaviors of poly (3-dodecylthiophene) (P3DDT) under two different oriented solidification conditions, i.e., two different relative relations (90° and 180°) between the directions of gravity and solidification, were investigated. X-ray diffraction results reveal that although similar layered structures are formed, under the condition of the relative relation 180°, temperature gradient has greater effects on the perfect degree of the layered structures of P3DDT. It also can be concluded that after recrystallization, the layered structures of P3DDT can be improved at relative relation 90°, but the orderly degree of the arrangements of alkyl side chains are not improved yet, even is reduced for both of the oriented solidification conditions.
- Crystallization,
- poly (3-dodecylthiophene),
- oriented solidification
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