EP 4110859 A1 20230104 - METHOD FOR TREATING THE SURFACE OF MOULDED PARTS
Title (en)
METHOD FOR TREATING THE SURFACE OF MOULDED PARTS
Title (de)
VERFAHREN ZUR OBERFLÄCHENBEHANDLUNG VON FORMTEILEN
Title (fr)
PROCÉDÉ DE TRAITEMENT DE LA SURFACE DE PIÈCES MOULÉES
Publication
Application
Priority
- DE 102020105232 A 20200227
- EP 2021054985 W 20210301
Abstract (en)
[origin: WO2021170867A1] The invention relates to a method for treating the surface of a moulded part produced with a plastic having ester, ketone and/or ether bonds, wherein the plastic is selected from the group comprising a polymer, copolymer, polymer blend and combinations thereof, wherein the method comprises a pre-treatment step (VS) for cationically modifying the surface of the moulded part. The cationic modification is carried out with a reactant dissolved in a solvent and having one or more amine, imine and/or amide groups.
IPC 8 full level
C08J 7/06 (2006.01)
CPC (source: EP US)
B29C 64/153 (2017.07 - US); B29C 64/314 (2017.07 - US); B29C 71/0009 (2013.01 - EP); B33Y 10/00 (2014.12 - US); B33Y 40/00 (2014.12 - US); B33Y 70/00 (2014.12 - US); B33Y 80/00 (2014.12 - US); C08J 7/065 (2013.01 - EP); C08J 2333/08 (2013.01 - EP); C08J 2333/10 (2013.01 - EP); C08J 2367/00 (2013.01 - EP)
Citation (search report)
See references of WO 2021170867A1
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)
DE 102020105232 A1 20210902; DE 102020105232 B4 20230615; EP 4110859 A1 20230104; US 2022396030 A1 20221215; WO 2021170867 A1 20210902
DOCDB simple family (application)
DE 102020105232 A 20200227; EP 2021054985 W 20210301; EP 21709912 A 20210301; US 202217893627 A 20220823