Patent ID: 11926726
Assignee: UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE AIR FORCE
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 6:
7. The process of claim 3 wherein said one or more copolyimides comprising end caps and a backbone have Structure V below and wherein for each of said one or more copolyimides the indices and variables provided in Structures V are independently selected:, , wherein for each copolyimide,
a) the index n is independently an integer from 5 to 300;
b) x is a non-zero number less than 1, and the ratio for x:(1-x) is 0.01:0.99 to 0.20:0.80;
c) m is 1 or 2;
d) T is a covalent bond, or a linking group having one of the following structures:, e) W is a covalent bond, or a linking group having one of the following structures:, f) J is one of the following moieties:, wherein:
i) X is a linking group having one of the following structures:, ii) Y is a covalent bond, or a linking group having one of the following structures:, and
iii) Z is one of the following structures:,