Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
Patent
1997-01-23
1999-03-16
Thibodeau, Paul
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Physical dimension specified
428 1, 4284111, 4284747, 349183, 427162, 427169, 4274072, 4274301, 4274343, C09K 1902, C09K 1948, B05D 120
Patent
active
058827854
ABSTRACT:
This invention is comprised of new nonlinear optic polymers and a new Lanir-Blodgett (LB) film deposition scheme for which these polymers were designed. The invention is unique because it produces an electro-optic film which has never undergone electric-field poling nor high temperature treatment. It eliminates the dilution effect of the long hydrophobic alkyl groups, and creates stronger ionic bonds between the polymer chains. Finally, the invention reduces the time to make a film of a given thickness by at least half by virtue of depositing two polymer layers per stroke. The new polymers are comprised of asymmetric chromophores linked head-to-head by alternating two different kinds of bridging groups. One of the bridging groups contains one or more ionic groups, and the other bridging group contains one or more non-ionic, hydrophilic groups.
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patent: 5397508 (1995-03-01), Masse et al.
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Chafin Andrew P.
Hollins Richard A.
Lindsay Geoffrey A.
Roberts Marion J.
Stenger-Smith John D.
Bokar Gregory M.
Kalmbaugh David S.
Tarazano D. Lawrence
The United States of America as represented by the Secretary of
Thibodeau Paul
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