Synthesis and Properties of Substituted Polyacetylenes Containing a Photosensitive Moiety in the Side Group
β Scribed by Watari, Kenji; Kouzai, Hiroaki
- Book ID
- 119987525
- Publisher
- Nature Publishing Group
- Year
- 2006
- Tongue
- English
- Weight
- 120 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0032-3896
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π SIMILAR VOLUMES
## Abstract A new series of disubstituted polyacetylene derivatives that contain multiβfluorine atoms on the pendent phenyl ring have been synthesized and characterized. The results reveal a greater redβshift in UVβvis absorption and PL emission upon incorporating more fluorine atoms on the pendent
Two chalcone-derivative isomers, 4,4-diaminochalcone ( 4DAC ) and 3,3diaminochalcone ( 3DAC ), were synthesized and used as monomers together with tetracarboxylic dianhydrides to prepare novel photosensitive polyimides that contain a chalcone moiety in the main chain. The polyimides were characteriz