EP 4139380 A1 20230301 - METHOD FOR PRODUCING A COLORED PLASTIC ARTICLE AND ARTICLE THEREOF
Title (en)
METHOD FOR PRODUCING A COLORED PLASTIC ARTICLE AND ARTICLE THEREOF
Title (de)
VERFAHREN ZUR HERSTELLUNG EINES GEFÄRBTEN KUNSTSTOFFGEGENSTANDES UND GEGENSTAND DARAUS
Title (fr)
PROCÉDÉ DE PRODUCTION D'UN ARTICLE EN PLASTIQUE COLORÉ ET ARTICLE ASSOCIÉ
Publication
Application
Priority
- EP 20170609 A 20200421
- EP 2021060244 W 20210420
Abstract (en)
[origin: EP3901196A1] The present invention is directed to a method of manufacture of a colored plastic article, wherein the method comprises the steps:a1) mixing a plastic basis material with a color-locker masterbatch,wherein the color-locker masterbatch comprises:- a plastic basis material and/or a carrier- a locker agent, and- a dye, wherein at least 80 % of the dye are molecularly solved in the plastic basis material or in the carrier; ora2) mixing a plastic basis material with a color masterbatch and with a locker masterbatch,wherein the color masterbatch comprises:- plastic basis material and/or a carrier,- a dye, wherein at least 80 % of the dye are molecularly solved in the plastic basis material or in the carrier; andwherein the locker masterbatch comprises:- plastic basis material and/or a carrier,- a locker agent;b) producing the colored plastic article by a plastic forming processing method.Furthermore, the present invention is directed to a plastic article produced according to the above method.Further, the present invention is directed to a method for decolorizing of the above plastic article.
IPC 8 full level
CPC (source: EP)
C08J 3/203 (2013.01); C08J 3/226 (2013.01); C08J 2323/06 (2013.01); C08J 2323/12 (2013.01); C08J 2423/06 (2013.01); C08J 2423/08 (2013.01); C08J 2423/12 (2013.01); C08J 2423/14 (2013.01); C08J 2479/02 (2013.01)
Citation (search report)
See references of WO 2021214060A1
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 3901196 A1 20211027; EP 4139380 A1 20230301; WO 2021214060 A1 20211028
DOCDB simple family (application)
EP 20170609 A 20200421; EP 2021060244 W 20210420; EP 21718913 A 20210420