Tin composition useable mainly as latent catalysts in the...

Details Tin composition useable mainly as latent catalysts in the... Tin composition useable mainly as latent catalysts in the...

C - Chemistry, Metallurgy

07

F

252/114, 260/436

C07F 7/22 (2006.01) B01J 31/12 (2006.01) C08G 18/24 (2006.01)

Patent

CA 1311765

BREVET D'INVENTION COMPOSES D'ETAIN UTILISABLES NOTAMMENT COMME CATALYSEURS LATENTS POUR LA PREPARATION DE POLYURETHANNES Société dite : PHONE-POULENC CHIMIE Inventeurs : Jean-Marc FRANCES Véronique GOURON Bernard JOUSSEAUME Michel PEREYRE ABREGE DU CONTENU TECHNIQUE DE L'INVENTION La présente invention concerne des composés d'étain (IV) hexacoordinés de formule générale : Image (1) Les composés de formule (1) sont préparés par réaction d'hydrostannation d'un dihydrure de diorganoétain sur un carboxylate ou un alcoolate d'énol. Les composés de formule (1) sont des catalyseurs latents utiles notamment pour la préparation des polyuréthannes et la réticulation des silicones car ils se décomposent thermiquement en dicarboxylates ou dialcoolates de diorganoétain.

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