The influence of H-bonding in liquid crystalline polyazomethine ethers
โ Scribed by Timothy D. Shaffer; Margaret L. Shaffer
- Publisher
- Springer
- Year
- 1992
- Tongue
- English
- Weight
- 276 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0170-0839
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๐ SIMILAR VOLUMES
Liquid crystalline polyetheresters with crown ethers in the mesogenic unit have been synthesized using the DB-[ 181-C-6 crown. This compound was then transferred to the diacetyl-, dicarboxy-and dicarboxydichloride derivatives. After incorporation of the crown ether moiety into the mesogens of main c
The dependence of the rotation of the mesogenic unit around its long axis (prelaxation) on the actual mesophase in liqid crystalline polymethac ylates and polyacrylates was studied by dielectric spectroscopy in the frequency range from 10-2Hz to 106Hz and in a temperature range from 170 K to 430 K.