Active substance composition on the basis of metallocene...

Details Active substance composition on the basis of metallocene... Active substance composition on the basis of metallocene...

C - Chemistry, Metallurgy

08

J

C08J 3/22 (2006.01) C08J 5/10 (2006.01) C08K 5/00 (2006.01) C08L 23/14 (2006.01) C08K 5/3432 (2006.01)

Patent

CA 2666356

The invention relates to an active substance composition containing a high portion of one or more light-protecting products, such as multifunctional stabilizers, UV absorbers, nicker-quenchers and stabilizers on the basis of sterically hindered amines (HALS) and several polyolefin waxes, wherein one or more metallocene polyolefin waxes are used and optionally further waxes, for example polar or nonpolar non-metallocene polyolefin waxes are present. All polyolefin waxes together make up at least 10 % by weight of the formulation and melt in the temperature range between 50 and 170 °C. The inventive active substance composition has reduced dusting and is particularly used for the masterbatch production for producing stabilized and light-resistant plastic materials.

Composition de principes actifs contenant une forte proportion d'au moins un produit de photoprotection comme des stabilisateurs multifonctionnels, des absorbeurs d'UV, des extincteurs nickelet des stabilisateurs à base d'amine à encombrement stérique (HALS) et plusieurs cires de polyoléfine, cette composition pouvant utiliser au moins un métallocène-cire de polyoléfine et contenir éventuellement d'autres cires, par exemple des non métallocènes polaires ou non polaires/cire de polyoléfine. Toutes les cires de polyoléfine représentent ensemble au moins 10 % en poids de la formule et fondent entre 50 et 170 °C. La composition de principes actifs selon l'invention est réduite en poussiére et est utilisée notamment pour la production de mélange maître pour la production de matières plastiques stabilisées et photostables.

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