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Aromatic epoxy-terminated polyimides
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posted on 2016-06-07, 00:00 authored by Gaetano Francis D'AlelioAromatic epoxy-terminated aromatic polyimides and processes for their preparation are provided. The epoxidized polyimides are prepared by epoxidizing an olefinically unsaturated aromatic imide of the formula: ##STR1## WHEREIN Ar is a divalent aromatic organic radical, Ar' is a tetravalent aromatic organic radical, the four carbonyl groups being attached directly to separate carbon atoms and each pair of carbonyl groups being attached to adjacent carbon atoms in the Ar' radical, R' is a divalent aromatic hydrocarbon radical, and n is a positive integer of at least 1. Preferably, the starting aromatic imide is a styrene-terminated aromatic imide wherein n is at least 4 which is epoxidized with a per-acid.
History
Patent Number
US 4026904 B2Other Application
05/661,332Inventor
Gaetano Francis D'AlelioInventor from Local Institution
Gaetano Frank D'AlelioAssignee
University of Notre Dame Du LacDate Modified
2016-06-07Language
- English
Claims
3Publisher
United States Patent and Trademark OfficeCooperative Patent Classification Codes
C08G 59/26 (20130101); C08G 73/101 (20130101); C08G 73/1071 (20130101); C08G 73/1067 (20130101); C08G 73/1064 (20130101Contributor
Gaetano Frank D'AlelioInternational Patent Classification Codes
C08G 73/00 (20060101); C08G 73/10 (20060101); C08G 59/00 (20060101); C08G 59/26 (20060101); C07D 209/34 ()US Patent Classification Codes
548/423; 525/421; 525/426; 525/427; 548/433; 548/461;Usage metrics
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