Vinylidene cyanide-vinyl benzoate derivative nonlinear optical p

Details Vinylidene cyanide-vinyl benzoate derivative nonlinear optical p Vinylidene cyanide-vinyl benzoate derivative nonlinear optical p

1991-08-19

1992-09-22

Schofer, Joseph L.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

5253284, 525276, 525291, 525293, 525295, 525381, 5253593, 5253594, 5253596, 525374, 525376, 525377, 525300, 525245, C08F22234

Patent

active

051495805

ABSTRACT:
There is disclosed an organic nonlinear optical material which comprises a polymer having the following constitutional units, in amounts of 5 to 100 mole % of (I), 0 to 50 mole % of (II) and 0 to 50 mole % of (III), and a weight average molecular weight (Mw) of the polymer being 10,000 to 2,000,000: ##STR1## wherein m, n, X, Y and A have the meanings as defined in the specification, ##STR2## wherein R.sup.2 represents an alkyl group, and ##STR3## A nonlinear optical element which is tough with wide surface as well as having large nonlinear optical effect can be obtained.

REFERENCES:
patent: 5061760 (1991-10-01), East et al.

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