Method of producing coloured plastics or polymeric colour...

C - Chemistry – Metallurgy – 08 – J

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C08J 3/20 (2006.01) B65D 1/02 (2006.01) C08J 5/00 (2006.01) C08K 5/00 (2006.01) C09B 29/01 (2006.01) C09B 35/031 (2006.01)

Patent

CA 2496559

The present invention relates to a method of producing coloured plastics or polymeric colour particles, in which there is used the dye of formula (1), together with the dye of formula (2) and a UV absorber and, optionally, further dyes, especially in the colouring of beer bottles of polyethylene terephthalate (PET).

La présente invention a trait à un procédé de production de matières plastiques colorées ou de particules polymériques colorées, dans lequel on utilise le colorant de formule (1), en association avec le colorant de formule (2) et un absorbeur d'UV et, éventuellement, d'autres colorants, particulièrement dans la coloration de bouteilles de bière en polyéthylène téréphtalate (PET).

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