Oxy- and thioaryl-phenylated aromatic heterocyclic polymers
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United States of America Patent
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Apr 19, 1983
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N/A
app pub date -
Apr 8, 1982
filing date -
Apr 8, 1982
priority date (Note) -
Expired
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Abstract
Oxy- and thio-aryl-phenylated aromatic heterocyclic polymers having the general formula ##STR1## wherein Ar is a monovalent aromatic radical containing an oxy- or thio-linkage, Ar' is a divalent aromatic radical, R is a monovalent aromatic radical, Z is a divalent heterocyclic radical and n is an integer equal to the number of repeating units, are prepared from biscyclopentadienones with diethynyl heterocyclic compounds.
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