Bridged cyclic arleneethylene polymers

Details Bridged cyclic arleneethylene polymers Bridged cyclic arleneethylene polymers

1994-06-16

1996-04-23

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From sulfur-containing reactant

252500, 526256, 526259, 526268, 528403, 528423, C08G 7500, C08G 7306

Patent

active

055104568

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.

REFERENCES:
patent: 4802745 (1989-02-01), Okada
patent: 5162473 (1992-11-01), Jen
Bredas, J. L., et al, Nonlinear Optical Properties of Organic Materials, 971, pp. 42-50 (1988).

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