Second order nonlinear optical polyimide polymer with high temperature stability
AssigneeArch Development Corporation
InventorsZhonghua Peng, Luping Yu
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Abstract
The invention relates generally to polymers exhibiting second order nonlinear optical properties, and characterized by high thermal stability. Disclosed are polymers prepared by a polycondensation reaction between an aromatic dianhydride and a compound selected from the group consisting of a di(alkylamino)amine and an aromatic diamine. Most preferred are polymers that are the products of a polycondensation reaction between 1,2,4,5-benzenetetracarboxylic dianhydride and nitro(N,N-diethylamino)stilbene, wherein the polymer is imidized by further heat treatment.
Claims7
A polyimide polymer exhibiting second order, nonlinear optical properties, further characterized by high-temperature stability, wherein said polymer is prepared via a polycondensation reaction between 1,2,4,5-benzenetetracarboxylic dianhydride and nitro(N,N-diethylamino)stilbene to form a polyamic acid intermediate and curing the polyamic acid intermediate within an electric field pole or corona pole under conditions sufficient to form said polymer.
A polyimide polymer having the general structure:
- ##STR1##
Dependencies are inferred from the claim text.