Itaconate copolymer exhibiting second-order nonlinear optical pr

Details Itaconate copolymer exhibiting second-order nonlinear optical pr Itaconate copolymer exhibiting second-order nonlinear optical pr

1997-11-17

1999-03-30

Smith, Jeffrey

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526310, 526311, 526320, 5263285, 526273, C08F22240, C08F22400, C08F22602, C08F22026, C08F22010

Patent

active

058891315

ABSTRACT:
A side-chain type second-order nonlinear optical polymer compound having a repeating unit as represented in general structure (I), --(--MO--).sub.m --(--ITCN--NLO--).sub.n --, wherein the sum of m and n is from 5 to 10000 and m and n satisfy m/(m+n)=from 0.05 to 0.95; ITCN--NLO is ##STR1## X is not present, or represents alkylene having from 1 to 6 carbon atoms or aromatic hydrocarbon having from 6 to 12 carbon atoms; Y is a bonding group selected from the group consisting from ether, ester, amide, alkylamino having from 1 to 5 carbon atoms, carbamate and sulfone; NLO is a general second-order nonlinear optical chemical group in which a conjugated aromatic ring can be unsubstituted or substituted by an electron-donor and/or electron-acceptor; and MO is any polymerizable monomer copolymerizable with ITCN--NLO, and a nonlinear optical material prepared with the same arc disclosed. The side-chain type polymer compound of the present invention have very high second-order nonlinear optical properties with superior thermal resistance, transparency and processability for thin film formation.

REFERENCES:
patent: 5239013 (1993-08-01), Francis et al.
S. Jacobson et al, "Nonlinear Optical Polymers in Advanced Photonics", Journal of Applied Polymer Science, vol. 53, pp. 649-663 (1994).
D. Jungbauer et al, "Highly Efficient and Stable Nonlinear Optical Polymers Via Chemical Crosslinking Under Electric Field", Appl. Phys. Lett., vol. 56, No. 26, pp. 2610-2612 ( Jun. 25, 1990).

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