Coated calcium or magnesium acetylacetonate, and its use for...

C - Chemistry – Metallurgy – 07 – C

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Details

C07C 49/92 (2006.01) C08K 9/04 (2006.01) C08L 27/06 (2006.01)

Patent

CA 2292741

The invention concerns a compound containing calcium or magnesium acetylacetonate, at least partially coated with a compatible agent selected among alcohol's, carboxylic or sulphonic acids, or their derivatives, phosphates or titanates, .beta.-ketone compounds; said agents having at least a long chain radical; waxes; polyols; epoxydized vegetable oils; polysiloxane oils or resins or silanes. The invention also concerns the preparation of such a compound and the use of said compound as additive in formulations based on halogenated polymers.

La présente invention a pour objet un composé comprenant de l'acétylacétonate de calcium ou de magnésium, au moins partiellement recouvert par un agent compatibilisant choisi parmi les alcools, les acides carboxyliques ou sulfoniques, ou leurs dérivés, les phosphates ou les titanates, les composés .beta.-dicétoniques; ces agents présentant au moins un radical à longue chaîne; les cires; les polyols; les huiles végétales époxydées; les huiles ou les résines polysiloxaniques ou encore les silanes. L'invention concerne de même le procédé d'obtention d'un tel composé. Enfin, elle a pour objet l'utilisation de ce composé comme additif dans des formulations à base de polymères halogénés.

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