## Abstract A route to well‐defined side‐chain liquid‐crystalline polysiloxanes (ratio of weight‐to number‐average molar masses __M̄__~w~/__M̄__~n~ < 1.2 is reported. Anionic ring‐opening polymerization of pentamethylvinylcyclotrisiloxane yielded a poly(dimethylsiloxane‐__co__‐methylvinylsiloxane)
Well-defined side-chain liquid-crystalline polysiloxanes
✍ Scribed by Mark A. Hempenius; Rob G. H. Lammertink; G. Julius Vancso
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 22 KB
- Volume
- 17
- Category
- Article
- ISSN
- 1022-1336
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✦ Synopsis
Well-defined side-chain liquid-crystalline polysiloxanes
📜 SIMILAR VOLUMES
Two series of monomers, 4-[4-(allyloxy)benzoyloxy]phenyl-3-(perfluoro-nalkyl)ethyl propanoates and 2-(perfluoro-n-alkyl)ethyl-4-[4-(undec-10-en-1-oyloxy)-benzoyloxy] benzoates have been synthesised. These compounds contain a fluorinated chain obtained from 2-(perfluoro-n-alkyl)ethanol or from 2-(per
## Abstract A co‐polysiloxane has been prepared with an asymmetric bent side group based on a liquid‐crystalline monomer showing a B~2~ (SmCP) phase. In order to dilute the side chain mesogens along the polymer backbone, octyl side chains were also incorporated. X‐ray studies confirmed that the res
## Abstract The liquid‐crystalline (LC) monomer 4‐allyoxybenzoyloxy‐4′‐buthylbenzoyloxy‐__p__‐phenyl (M~1~), whose LC phase appeared at lower temperatures, from 137 to 227°C, and the modified mesogenic monomer 4‐allyoxybenzoyloxy‐4′‐methyloxybenzoyloxy‐__p__‐biphenyl (M~2~), whose LC phase appeared