C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/22 (2006.01) B01J 31/22 (2006.01) C08G 18/62 (2006.01) C08G 18/79 (2006.01) C09D 175/04 (2006.01) C09J 175/04 (2006.01)
Patent
CA 2266886
The present invention is directed to novel metal organocomplexes as catalysts for the reaction of compounds with isocyanate and hydroxy functional groups to form urethane and/or polyurethane and the proces employing such catalysts. More particularly, the present invention is directed to novel complexes of zirconium or hafnium with diketones or alkylacetoacetoates. These novel catalysts are useful for the production of urethanes and polyurethanes which are important in many industrial applications, such as: coatings, foams, adhesives, sealants, and reaction injection molding (RIM) plastics.
La présente invention concerne de nouveaux complexes organo-métalliques utilisés comme catalyseurs pour mettre en réaction des composés comportant des groupes fonctionnels isocyanates et hydroxy, en vue de former des uréthanes et/ou des polyuréthanes; elle concerne également le processus mettant en oeuvre lesdits catalyseurs. Plus particulièrement, la présente invention concerne de nouveaux complexes de zirconium ou de hafnium contenant des diones ou des alkylacétoacétates. Ces nouveaux catalyseurs conviennent pour la production d'uréthanes et de polyuréthanes, en tant que produits occupant une place importante dans de nombreuses applications industrielles (revêtements, mousses, adhésifs, produits d'étanchéité, ou plastiques fabriqués par moulage par injection et réaction (RIM)).
Blank Werner J.
Florio John J.
He Zhiqiang Alex
Picci Marie E.
King Industries Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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