## Abstract **Summary:** Diblock copolymers with a photoaddressable dispersed phase containing __p__‐methoxy substituted azobenzene side groups and a polystyrene matrix were synthesized and characterized. The block copolymers were prepared by a sequential living anionic polymerization of butadiene
Molecular Design, Synthesis, and Characterization of Liquid Crystal−Coil Diblock Copolymers with Azobenzene Side Groups
✍ Scribed by Mao, Guoping; Wang, Jianguo; Clingman, Scott R.; Ober, Christopher K.; Chen, John T.; Thomas, Edwin L.
- Book ID
- 120452226
- Publisher
- American Chemical Society
- Year
- 1997
- Tongue
- English
- Weight
- 450 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0024-9297
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The synthesis of rod±coil diblock copolymers with narrow polydispersity was achieved for the ®rst time by TEMPO-mediated `living' free radical polymerization of styrene and 2,5-bis[(4methoxyphenyl)oxycarbonyl]styrene. The block architecture of the two diblock copolymers thus prepared, MPCS-block-St
## Abstract Control of the in‐plane orientation direction in a polymethacrylate copolymer liquid crystal film substituted with 4‐methoxyazobenzene (4MAz) and 4‐methoxycinnamoyloxybiphenyl (4MCB) side groups, and control of the reversible birefringence of the resultant oriented film are described. H