Method for producing a pigmented polymer material

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United States of America Patent

PATENT NO 11643510
APP PUB NO 20190233597A1
SERIAL NO

16334771

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Abstract

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Provided is a method for dyeing a polymer material with an aqueous pigment composition containing at least one pigment dispersed therein, wherein the polymer material is a blend including a first polymer composition and a second polymer composition which is compatible with the first polymer composition, which second polymer composition includes a binding agent for the at least one pigment. The method includes the steps of heating the polymer material to an activation temperature below the softening temperature of the polymer material, contacting the polymer material with the aqueous pigment composition at a contact temperature for a period of time sufficient to form a pigmented polymer material, subjecting the pigmented polymer material to a fixation step to fixate the at least one pigment therein by cooling the pigmented polymer material to a fixation temperature which is lower than the temperature at which contacting of the polymer material with the aqueous pigment composition is carried out.

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Patent Owner(s)

Patent OwnerAddress
SMART COLORING GMBH52074 AACHEN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Vos, Hendré Leuven, BE 1 0

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