Claims
- 1. A poly(aryl ether ketone) containing units of the following formula:
- [Ar--X--Ar--(O--Ar).sub.m O]--.sub.a --[Ar"--X--Ar"--O--Ar"--(Ar').sub.n O]--.sub.b
- wherein Ar is independently phenylene or biphenylene, with the proviso that at least one Ar is biphenylene; X is independently --CO-- or --CO--Ar--CO--; Ar' is --O--Ar"'--; Ar"' is phenylene; Ar" is phenylene; n is 0 to 2; m is 0 or 1; and the ratio of a-to-b is 65:35 to 95:5.
- 2. A poly(aryl ether ketone) as defined in claim 1 containing units of the following formula: ##STR9## wherein the ratio of a to b is 65:35 to 95:5.
- 3. A poly(aryl ether ketone) of the following formula: ##STR10## having a crystalline melting point greater than about 350.degree. C.
- 4. A poly(aryl ether ketone) as defined in claim 1 having a crystalline melting point greater than about 350.degree. C.
CROSS-REFERENCE TO RELATED APPLICATION
This application is a continuation-in-part of U.S. patent application Ser. No. 924,068, filed Oct. 28, 1986 now U.S. patent No. 4,766,197.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3956240 |
Dahl et al. |
May 1976 |
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4717761 |
Staniland |
Jan 1988 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
924068 |
Oct 1986 |
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