Filler concentrates for use in thermoplastic materials

Details Filler concentrates for use in thermoplastic materials Filler concentrates for use in thermoplastic materials

C - Chemistry, Metallurgy

08

J

C08J 3/22 (2006.01)

Patent

CA 2398699

The invention concerns the use of high fluidity isotactic polypropylenes for preparing filler concentrates for use in olefin-type thermoplastic materials such as polypropylene, polyethylene and generally: polymers used alone or in mixture, based on polymerised ethylene monomers containing 2 to 6 carbon atoms alone or in mixture. The invention also concerns filler concentrates or masterbatches prepared from very high fluidity isotactic propylenes. The invention further concerns filled thermoplastic materials obtained by addition of selected propylenes of the invention, and industrial products made from, or containing, such thermoplastic materials.

L'invention concerne l'utilisation de polypropylènes isotactiques de très grande fluidité pour la préparation de concentrés de charges utilisables dans les thermoplastiques de type oléfinique tels que le polypropylène, le polyéthylène et en règle générale: les polymères utilisés seuls ou en mélange, à base de monomères éthyléniques contenant 2 à 6 atomes de carbone polymérisés seuls ou en mélange. L'invention concerne aussi les concentrés de charges ou mélange-maîtres préparés à partir de polypropylènes isotactiques de très grande fluidité. L'invention concerne enfin les matières thermoplastiques chargées obtenues avec adjonction des polypropylènes sélectionnés selon l'invention, et les produits industriels fabriqués à partir, ou contenant, de telles matières thermoplastiques.

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