Poly(maleic anhydride) copolymers with side chains exhibiting no

Details Poly(maleic anhydride) copolymers with side chains exhibiting no Poly(maleic anhydride) copolymers with side chains exhibiting no

1991-09-17

1993-05-18

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525291, 525293, 525295, 5253274, 5253275, 5253276, 5253277, 525351, 525353, 5253594, 525376, 526271, 526272, C08F26704

Patent

active

052122506

ABSTRACT:
In one embodiment this invention provides poly(maleic anhydride) side chain copolymers which exhibit nonlinear optical susceptibility and which can be formed into crack-free thin film waveguiding media. An invention copolymer is illustrated by the recurring structure: ##STR1## The side chain chromophores can be oriented by an external field to form a noncentrosymmetric thin film which exhibits second order nonlinear optical susceptibility.

REFERENCES:
D. R. Ulrich (1988) Mol Cryst Liq Cryst 160, 1-31.
Hawleys Chemical Dictionary, 11th Ed (Van Nostrand, New York, 1987), p. 854.

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