Compositions – Liquid crystal compositions – Containing nonchiral additive having no specified mesophase
Patent
1990-02-28
1992-05-26
Stoll, Robert L.
Compositions
Liquid crystal compositions
Containing nonchiral additive having no specified mesophase
25229901, 252582, C09K 1952, C09K 1954, G02B 502
Patent
active
051165287
ABSTRACT:
A light modulating material including liquid crystalline materials dispersed within a polymeric material including a cross-linked isocyanate material. The isocyanate material preferably is acrylic polyisocyanate which when cross-linked, forms a complex urethane having the form: -urethane-acrylic-urethane-cross linking agent.
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Mullen Patrick
Nobile Frederick E.
Harris Cynthia
Stoll Robert L.
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