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Raman Spectroscopy Evidence of Phototransformation in Poly (Vinyl-para-fluorocinnamate)

 

作者: Francois Barbet,   Denis Bormann,   Marc Warenghem,   Yuri Kurios,   Yuri Reznikov,   Brahim Khelifa,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  （Taylor Available online 1998）
卷期: Volume 320, issue 1  

页码: 405-415

 

ISSN:1058-725X

 

年代: 1998

 

DOI:10.1080/10587259808024410

 

出版商: Taylor & Francis Group

 

关键词: Raman spectroscopy;polymer;film;phototransformation;poly (vinyl cinnamate)

 

数据来源: Taylor

 

摘要:

Poly (vinyl cinnamates) are known to be phototransformable. We present in this work the Raman spectroscopy evidence of phototransformation in the case of poly (vinyl-para-fluoro-cinnamate). The relative intensity evolution of the C˭C double bond stretching mode reflects strongly the polymer transformation under irradiation. Some other modes are also affected but the effects are less marked. We show also that phototransformation occurs both under UV and visible linearly polarized radiations.

 

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