Acetylenic end-capped polyimides

Details Acetylenic end-capped polyimides Acetylenic end-capped polyimides

1975-01-24

1994-03-01

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

528125, 528126, 528128, 528170, 528172, 528173, 528174, 528179, 528188, 528207, 528208, 528220, 528222, 528223, 528229, 528350, 528351, 528352, 526259, 526263, 526285, 525422, 525436, C08G 6926, C08G 7310

Patent

active

052909085

ABSTRACT:
Aromatic polyimides with acetylenic end groups are cured by coupling together thermally or catalytically using cuprous salts as catalysts to increase molecular weight with little or no by-product formation. These polyimides can be shaped and formed prior to the coupling.
The acetylenic end-capped aromatic polyimides are formed by the reaction of an aromatic dianhydride, an acetylenic organic monoamine compound which will provide the reactive end groups and optionally an aromatic diamine.

REFERENCES:
patent: 3179634 (1965-04-01), Edwards
patent: 3179635 (1965-04-01), Frost et al.
patent: 3511807 (1970-05-01), Lovejoy
patent: 3663510 (1972-05-01), Peterson
patent: 3845018 (1974-10-01), Bilow et al.
patent: 3879349 (1975-04-01), Bilow et al.
Hughes proposal to U.S. Government Report No. Tp-989, Jun. 1968, pp. 3-5, 3-10, 3-27 and 3-28.
Technical Report AFML-TR-70-250, dated Dec. 15, 1970, pp. 23-25 and 60. (Landis et al).
Hughes proposal to U.S. Government, Report No. TP-1033, Dec. 1968, pp. 14 and 15.
Hughes proposal to U.S. Government, Report No. TP-70-110, Oct. 1970, pp. 3-11 to 3-13 and 3-16 to 3-18.
Hughes proposal to U.S. Government, Report No. Tp 71-180, Nov. 1971, pp. 3-7 and 3-13 to 3-15.
Hughes Seventh Quarterly Report to U.S. Government, under Contract No. F 33615-71-C-1228, Oct. 1972, pp. 3, 12 and 24. (Bilow et al).

Affiliated with

Also associated with

Rating

Acetylenic end-capped polyimides does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Acetylenic end-capped polyimides, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Acetylenic end-capped polyimides will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-578628