Claims
- 1. A composition comprising (a) poly (biphenyl ether sulfone) consisting essentially of the repeating unit: ##STR13## and (b) a second poly(aryl ether sulfone) consisting essentially of the repeating unit: ##STR14## wherein Ar is a divalent group comprising at least 50 mole percent p-biphenylene and Ar' is a divalent group comprising at least 50 mole percent ##STR15## and the weight of (a) to (b) is from about 70 to 99 to 30 to 1.
- 2. The composition of claim 1 wherein Ar is a divalent group comprising at least 75 mole percent p-biphenylene.
- 3. The composition of claim 1 wherein Ar is p-biphenylene.
- 4. The composition of claim 1, wherein Ar consists essentially of biphenylene.
- 5. The composition of claim 1, wherein Ar' consists essentially of ##STR16##
Parent Case Info
This application is a continuation-in-part of application Ser. No. 163,781, filed Mar. 3, 1988, now abandoned in the name of Sauers et al.
US Referenced Citations (8)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
163781 |
Mar 1988 |
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