Polymerized liquid-crystalline compositions

Details Polymerized liquid-crystalline compositions Polymerized liquid-crystalline compositions

1997-03-26

1999-06-15

Kelly, C. H.

Compositions

Liquid crystal compositions

252582, 25229962, C09K 1952, C09K 1932, F21V 900

Patent

active

059119110

ABSTRACT:
Polymerized liquid-crystalline compositions are obtainable by radiation curing of mixtures comprising P0 a) one or more cellulose derivatives in which some or all of the hydroxyl groups of the cellulose are replaced by --OR, 13 O--CO--NH--R, --O--CO--R or --O--CO--OR, where each R can be identical or different and is an aliphatic or aromatic radical of up to 20 carbons,

REFERENCES:
Derek G. Gray; Liquid Crystalline Cellulose Derivatives; Journal of Applied Polymer Science: Applied Polymer Symposium 37, 179-192 (1983).
Y. Nishio, et al.; Morphological Studies of Liquid-Crystalline Cellulose Derivatives. I. Liquid-Crystalline Characteristics of Hydroxypropyl Cellulose in 2-Hydroxyethyl Methacrylate Solutions and in Polymer Composites Prepared by Bulk Polymerization; Journal of Polymer Science: Polymer Physics Edition, vol. 23, 1043-1052 (1985).
Manfred Muller, et al., Advanced Materials, pp. 159-162, Feb. 1997, "Solid Opalescent Films Originating from Urethanes of Cellulose".
Yoshihiko Onogi, Cellulose, pp. 379-384, "Solidified Structure of Cellulose Derivatives from the Liquid Crystalline State", 1990.
S. H. Jiang, et al., J. Macromol. Sci.--Phys., vol. 34, No. 4, pp. 357-367, 1995, "Orientation of Polymer Chains in Oriented (E-CE)C/AA Liquid Crystalline Solutions".

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