Photoreactivity of Polymers with Regioisomeric Cinnamate Side Chains and Their Ability To Regulate Liquid Crystal Alignment†
✍ Scribed by Ichimura, Kunihiro; Akita, Yasuhiro; Akiyama, Haruhisa; Kudo, Kazuaki; Hayashi, Yuko
- Book ID
- 115458906
- Publisher
- American Chemical Society
- Year
- 1997
- Tongue
- English
- Weight
- 322 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0024-9297
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Changes in orientational order parameter S of liquid crystal cells as a function of the heating time at 100 8C. The pMSP12 film on a silicate substrate plate was irradiated with linearly polarized light (313 nm).
New poly(m-phenylene 4,4Ј-oxydiphthalimide)s containing various side chains, such as 6-(4-biphenylmethoxy)hexyloxy group and 6-(phenylphenoxy)hexyloxy isomers, were synthesized, giving thin films of a high quality. All the polyimides apparently were almost amorphous, but exhibited short-range orderi