Polymer materials having liquid-crystalline phases

Details Polymer materials having liquid-crystalline phases Polymer materials having liquid-crystalline phases

1991-08-16

1993-03-02

Stoll, Robert L.

Compositions

Liquid crystal compositions

2522996, 25229961, 25229962, 25229963, 25229966, 25229967, C09K 1952, C09K 1934, C09K 1912, C09K 1930

Patent

active

051906899

ABSTRACT:
The invention concerns polymer materials exhibiting liquid-crystalline phases which contain laterally bonded mesogenic groups and processes for the preparation of the polymer materials comprising the polymerization and/or grafting of suitable monomers. The polymer materials according to the invention are used as substrates in the electronics industry for fiber and film technology, for modulating laser beams, and for optical data storage.

REFERENCES:
patent: 4239435 (1981-10-01), Portugall et al.
patent: 4358391 (1982-11-01), Finkelmann et al.
patent: 4631328 (1986-12-01), Ringsdorf et al.
patent: 4713196 (1987-12-01), Praefche et al.
patent: 4757130 (1988-07-01), De Martino
Lenz, Robert W., "Synthetic Routes to Liquid Crystalline Polymers", Recent Advances in Liquid Crystalline Polymers, 1983, pp. 3-13 Makromol. Chem., 184, 1489-1496 (1983).
F. Hessel et al., "A New Class of Liquid Crystal Side Chain Polymers Mesogenic Groups Laterally Attached to the Polymer Backbone", Polymer Bulletin 14, 375-378 (1985).
Hartmann F. Leube et al., "Optical Investigations on a Liquid Crystal Side Chain Polymer with Biaxial Nematic and Biaxial Smectic A Phase" Makromolequelare Chemie.

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