Bridged cyclic arleneethylene polymers
AssigneeShowa Denko K. K.
InventorsReiko Ichikawa, Yoshiaki Ikenoue, Fred Wudl
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Abstract
A polymer represented by the following formula (III) ##STR1## wherein R.sub.1 and R.sub.2 each independently represents H, a straight or branched alkyl group or alkoxy group having 1 to 20 carbon atoms, X is S, O, or NR.sub.3, R.sub.3 represents a straight or branched akyl group having 1 to 6 carbon atoms or a phenyl group, Y represents R.sub.4 S.sup.+ R.sub.5 M.sup.- or OR.sub.6, R.sub.4 and R.sup.5 each independently represent a straight or branched alkyl group having 1 to 5 carbon atoms, or form a heterocyclic ring together with sulfur, and M.sup.- is an anion, R.sub.6 represents H or a straight or branched alkyl group having 1 to 10, m is 1 to 2, and n represents a degree of polymerization and is a value larger than 5.
Claims9
A polymer containing repeating units, having the formula (III) comprising a heterocyclic structure in which the six-membered ring is internally bridged at 4- and 7- positions by a methano group (m=1) or an ethano group (m=2):
- ##STR8## wherein R.sub.1 and R.sub.2 each independently represents H, a straight or branched alkyl group or alkoxy group having 1 to 20 carbon atoms, X is S, O, or NR.sub.3, R3 represents H, a straight or branched alkyl group having 1 to 6 carbon atoms, or a phenyl group, Y represents R.sub.4 S.sup.+ R.sub.5 M.sup.- or OR.sub.6, R.sub.4 and R.sub.5 each independently represents H, a straight or branched alkyl having 1 to 5 carbon atoms, or forms a tetrahydrothiohenium ring together with sulfur, and M.sup.- is an anion, R.sub.6 represents H or a straight or branched alkyl group having 1 to 10 carbon atoms, m is 1 or 2, and n represents a degree of polymerization and is a value larger than 5.
Dependencies are inferred from the claim text.