Second order nonlinear optical polyimide polymer with high tempe

Details Second order nonlinear optical polyimide polymer with high tempe Second order nonlinear optical polyimide polymer with high tempe

1993-11-10

1995-03-21

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528128, 528172, 528173, 528176, 528220, 528229, 528350, 522162, 522164, 526258, 526265, C08G 6926, C08G 7310

Patent

active

053996640

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.

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Chemistry of Materials 4(6), Nov./Dec. 1992, pp. 1148-1150, Jiann T. Lin et al, "Poled Polymeric Nonlinear Optical Materials Exceptional Second Harmonic Generation Temporal Stability of a Chromophore-Functionalized Polyimide".
CA118(20):192639q, May 17, 1993.
CA119(18):181519v, Nov. 1, 1993.

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