Polymeric nonlinear optical materials from anisotropic...

Details Polymeric nonlinear optical materials from anisotropic... Polymeric nonlinear optical materials from anisotropic...

C - Chemistry, Metallurgy

08

G

402/1, 345/11, 1

C08G 83/00 (2006.01) B05D 5/06 (2006.01) C08G 69/12 (2006.01) C08G 75/30 (2006.01) C08J 3/28 (2006.01) G02F 1/361 (2006.01) H01S 3/108 (2006.01)

Patent

CA 2030835

ABSTRACT The present invention describes a polymeric nonlinear optical (NLO) material in which NLO active groups are integral to the polymer chain and a process for producing the NLO material. The polymeric NLO material has recurring monomeric units of the following formula: Image where X is a divalent electron-donating group, Ar is a conjugating group, A is a divalent electron-withdrawing group and n is an integer of at least 3. The NLO material may be, for example, a poly(benzene 38,428 sulphonamide) or a poly(p-benzamide). The polymeric material is prepared by applying a stress to the NLO polymer to induce orientation of the NLO active groups in the polymer such that the material exhibits nonlinear optical capabilities. 38,428

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