Preparation of poly(arylene ether ketones)
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United States of America Patent
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Sep 8, 1992
Grant Date -
N/A
app pub date -
Jun 29, 1990
filing date -
Nov 17, 1987
priority date (Note) -
Expired
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Abstract
An arylene ether ketone copolymer comprising: (a) 99 to 10 mol % of repeat units ##STR1## and (b) 1 to 90 mol % of repeat units --Ar--O--Ar--CO-- (II), wherein each Ar independently is m- or p-phenylene or a di- or poly- m-and/or p-phenylene moiety in which the phenylene rings are linked together by direct bonds or by --O-- or --CO-- groups. Especially preferred are the copolymers wherein ##STR2## and (II) is --Ph--O--Ph--CO--Ph--O--Ph--CO--Ph--CO--, each Ph independently being m- or p-phenylene.
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