PREPARATION OF POLYADDITION COPOLYMER

PREPARATION OF POLYADDITION COPOLYMER

PURPOSE:To prepare a polyaddition copolymer having excellent solvent resistance, and utilizable as a varnish, ion exchange membrane, etc., by the polyaddition reaction of a bisoxazoline with a dithiol in a solvent. CONSTITUTION:The objective polymer is prepared by dissolving a bisoxazoline compound[...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: IIZAWA KOUJI, NISHIKUBO TATATOMI, WATANABE MASAYUKI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:PURPOSE:To prepare a polyaddition copolymer having excellent solvent resistance, and utilizable as a varnish, ion exchange membrane, etc., by the polyaddition reaction of a bisoxazoline with a dithiol in a solvent. CONSTITUTION:The objective polymer is prepared by dissolving a bisoxazoline compound[e.g. 2,2'-(p-phenylene)bis-2-oxazoline]in a solvent )pref. N-methyl-2- pyrrolidone), adding a dithiol[e.g. bis-(4-mercaptophenyl)ether]to the solution, and reacting pref. at 140 deg.C for 50hr.