A series of side chain liquid crystal polyurethanes (CnCNPs), in which the spacer length was varied from 2 to 12 methylene units, were synthesized by the addition polymerization of ␣-[bis(2-hydroxyethyl)amino]--(4-cyanoazobenzene-4Ј-oxy)alkanes (CnCN-diols) with hexamethylene diisocyanate. The liqui
✦ LIBER ✦
Side chain influence on mesomorphic properties: Low-temperature melting of metal-containing liquid crystals
✍ Scribed by Dr. Pascal Maldivi; Dr. Laurence Bonnet; Dr. Anne-Marie Giroud-Godquin; Dr. Mohammed Ibn-Elhaj; Dr. Daniel Guillon; Dr. Antoine Skoulios
- Publisher
- John Wiley and Sons
- Year
- 1993
- Tongue
- English
- Weight
- 474 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0935-9648
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## Abstract The shear mechanical properties of nematic side‐chain liquid‐crystal elastomers swollen with a nematic solvent are studied. The results show that the elasticity of the network is Gaussian for elastomers oriented before crosslinking and non‐Gaussian for the usual twice‐crosslinked elasto