Ionomer resin and preparation of same

Details Ionomer resin and preparation of same Ionomer resin and preparation of same

C - Chemistry, Metallurgy

08

F

402/399, 402/412

C08F 8/42 (2006.01) C08F 8/44 (2006.01) C08F 210/02 (2006.01) C08F 220/04 (2006.01) C08F 220/12 (2006.01)

Patent

CA 1331822

ABSTRACT OF THE DISCLOSURE An ionomer resin having a weight-average molecular weight of at least 5,000 and containing three specific repeating units as the primary components, said units being arranged randomly and linearly with the total proportion of the two units being 0.001 to 45 mols, is obtained by copolymerizing ethylene with an unsaturated carboxylic acid in the presence of a Lewis acid, using as a catalyst a chromium compound and a compound of a metal of Groups I to V in the periodic table and permitting a compound of a metal of Group I, II, III, IVA or VIII in the periodic table to react with the resulting copolymer. When an unsaturated carboxylic ester is used, the resulting copolymer is hydrolyzed or thermally decomposed.

563508

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