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A Structural Investigation of Some Terminally Cyano-Substituted Side Chain Liquid-Crystalline Polysiloxanes

 

作者: H.H. Sutherland,   Z.Ali Adib,   G.W. Gray,   D. Lacey,   G. Nestor,   K.J. Toyne,  

 

期刊: Liquid Crystals  （Taylor Available online 1988）
卷期: Volume 3, issue 10  

页码: 1293-1300

 

ISSN:0267-8292

 

年代: 1988

 

DOI:10.1080/02678298808086611

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

A series of terminally cyano substituted side chain polysiloxanes have been characterized using optical microscopy, D.S.C., and X-ray diffraction. Values for the lamellar spacings,d, of the interdigitated smectic A phases were obtained, and the variations indwith temperature and length of the flexible aliphatic spacer are discussed. The spacing form= 4, 5, and 6 increased regularly withmwhereas the shortm= 3 spacer gave an anomalously high value.

 

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