Copolyetherketones
First Claim
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1. A copolyetherketone consisting essentially of diphenyl ether units and aromatic diacid units, wherein the diphenyl ether units are present in a molar excess relative to the diacid units of 2 to 8%.
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Abstract
Novel copolyetherketones derived from diphenyl ether and aromatic diacids or diacid halides are disclosed where the diphenyl ether is present in a molar excess relative to the diacid or diacid halide chlorides of about 2 to 8%.
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16 Claims
- 1. A copolyetherketone consisting essentially of diphenyl ether units and aromatic diacid units, wherein the diphenyl ether units are present in a molar excess relative to the diacid units of 2 to 8%.
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