Cholesteric liquid crystal water base ink

Details Cholesteric liquid crystal water base ink Cholesteric liquid crystal water base ink

1973-12-17

1976-07-13

Padgett, Benjamin R.

Compositions

Liquid crystal compositions

23230LC, 73356, 350160LC, 428 1, G01K 1116, C09K 334

Patent

active

039692647

ABSTRACT:
Thin stable, substantially uniform, liquid crystal containing films are provided by coating onto an inert, normally darkened substrate, an ink comprising an oil in water latex, a small amount of an organic solvent, usually a polar moderately water soluble organic solvent, liquid crystals and a thickening agent. The film can be used as an ornamental article of manufacture, for photographic reproduction, for temperature determination, as well as other utilitarian applications.

REFERENCES:
patent: 3600060 (1971-08-01), Churchill et al.
patent: 3617374 (1971-11-01), Hudson et al.
patent: 3620889 (1971-11-01), Baltzer
patent: 3655971 (1972-04-01), Haas et al.
patent: 3669729 (1972-06-01), Seiner

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