Polyquinazolines and methods for their preparation

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Nitrogen-containing reactant

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528367, 528368, 528369, 528423, 528491, 528503, C08G 7300

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active

056865600

ABSTRACT:
New polyquinazoline polymers are provided by reacting novel monomers, The polymers incorporate repeat units that have at least one quinazoline nucleus and at least one ether linkage at the quniazoline 2 or 4 position. The quinazoline polymers are prepared by treating a monomer which comprises a quinazolone nucleus having one activated halide group with a base in a dipolar solvent to thereby form the polyquinazoline polymer.

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patent: 5247050 (1993-09-01), Hendricks
Hedrick et al., "Poly(aryl ether-phenylquinoxalines)," Macromolecules, vol. 23, No. 6, Mar. 1990, pp. 1561-1568.
Mani et al., "Poly(aryl ether ketone) synthesis via competing S.sub.N AR and S.sub.RN 1 reactions: 1. Polymers derived from 1,3-bis(p-chlorobenzoyl)benzene and 1,3-bis(p-fluorobenzoyl)benzene with hydroquinone and 4,4'-isopropylidenediphenol," Polymer, 1993, vol. 34, No. 1, pp. 171-181.

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