EP 4314121 A1 20240207 - COLOR MASTERBATCH FOR PRODUCING A COLORED PLASTIC ARTICLE AND METHOD FOR DECOLORING THE COLORED PLASTIC ARTICLE
Title (en)
COLOR MASTERBATCH FOR PRODUCING A COLORED PLASTIC ARTICLE AND METHOD FOR DECOLORING THE COLORED PLASTIC ARTICLE
Title (de)
FARBMASTERBATCH ZUR HERSTELLUNG EINES FARBIGEN KUNSTSTOFFARTIKELS UND VERFAHREN ZUM ENTFÄRBEN DES FARBIGEN KUNSTSTOFFARTIKELS
Title (fr)
MÉLANGE MAÎTRE DE COULEUR POUR LA PRODUCTION D'UN ARTICLE COLORÉ EN PLASTIQUE ET PROCÉDÉ DE DÉCOLORATION DE L'ARTICLE COLORÉ EN PLASTIQUE
Publication
Application
Priority
- EP 21165455 A 20210329
- EP 2022057966 W 20220325
Abstract (en)
[origin: EP4067413A1] The present invention is directed to a color masterbatch for producing colored plastic articles, wherein the color masterbatch comprises:- at least one carrier,- at least one coloring agent, and- at least one water-soluble or water-swellable component;wherein the at least one carrier is an organic polymer having a molecular weight Mw ≥ 1000 g/mol and wherein the organic polymer is insoluble in water,wherein an amount of the water-soluble or water-swellable component in the color masterbatch is ≥ 1 wt% to ≤ 50 wt%, preferably ≥ 2 wt% to ≤ 25 wt%, more preferably ≥ 4 wt% to ≤ 20 wt%, even more preferably ≥ 5 wt% to ≤ 15 wt%, based on the total weight of the color masterbatch,wherein the coloring agent is a lake pigment, andwherein a weight ratio of the coloring agent to the water-soluble or water-swellable component in the color masterbatch is 1:2 to 1:200, preferably 1:5 to 1:50.
IPC 8 full level
CPC (source: EP)
C08J 3/203 (2013.01); C08J 3/226 (2013.01); C08J 2323/06 (2013.01); C08J 2333/06 (2013.01); C08J 2429/04 (2013.01); C08J 2433/06 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4067413 A1 20221005; EP 4314121 A1 20240207; WO 2022207500 A1 20221006
DOCDB simple family (application)
EP 21165455 A 20210329; EP 2022057966 W 20220325; EP 22718635 A 20220325