Mesomorphic isocyanate extended rigid polymers

Details Mesomorphic isocyanate extended rigid polymers Mesomorphic isocyanate extended rigid polymers

1978-08-04

1980-11-11

Gron, Teddy S.

Compositions

Radioactive compositions

Nuclear reactor fuel

252299, 252408, 73356, 73358, 350351, 528 67, C09K 334, G02F 113

Patent

active

042329515

ABSTRACT:
Mesomorphic polyisocyanate compositions are described having extended rigid polymer backbones with flexible pendant groups. The compositions exhibit liquid-crystalline behavior and are useful in a device and process for displaying indicia, performing memory functions or indicating temperature. Novel polyisocyanate compositions for use in the above device and process are also described.

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Gray, G. W., et al., Liquid Crystals & Plastic Crystals, vol. 1, John Wiley & Sons, Inc., N.Y., pp. 175-198, 327-355 (1974).

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