Polyvinyl butyral-liquid crystal film-forming composition and fi

Details Polyvinyl butyral-liquid crystal film-forming composition and fi Polyvinyl butyral-liquid crystal film-forming composition and fi

1978-03-23

1979-07-17

McCamish, Marion E.

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With charge transferring layer of specified composition

252299, 350350, 428 40, 428437, 428500, 428522, 428913, B44F 100

Patent

active

041615573

ABSTRACT:
An alkyd-type polymeric plasticizing resin or castor oil is incorporated in a mixture of a polyvinyl butyral film-forming polymer and a cholesteric liquid crystalline phase material, to provide a composition which when in the form of a film exhibits accentuated intensity and contrast of visible light waves reflected by the material.

REFERENCES:
patent: 3620889 (1971-11-01), Baltzer
"Butvar", Monsanto Polymers & Petrochemicals Co., Technical Bulletin No. 6070B, pp. 1-48.
"Paraplex Synthetic Resins for Coatings", Rohm and Haas Co., pp. 1-12, Nov. 1969.
"Paraplex Synthic Resins", Rohm and Haas Co., pp. 1-16, Apr., 1976.

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