Liquid crystal film

Details Liquid crystal film Liquid crystal film

1976-08-23

1978-05-02

Dixon, Jr., William R.

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With charge transferring layer of specified composition

428215, 428335, 428339, 428913, 73356, 128 2H, 350330, 427385R, C09K 334, A61B 500, B05D 302

Patent

active

040875750

ABSTRACT:
Liquid crystal preparations, for examination of objects by visualizing temperature differences, are made in the form of highly stretchable elastomeric films by dispersing cholesteric liquid crystal esters in a solution of a thermoplastic elastomer such as plasticized polyvinyl butyral solution, and casting a thin film from the solution. Preferably, a light-absorbing lamina is included to enhance the color contrast.

REFERENCES:
patent: 3993809 (1976-11-01), Schranz et al.
patent: 4048358 (1977-09-01), Shanks
patent: 4060654 (1977-11-01), Quenneville

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