Global Patent Index - EP 4110859 A1

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

EP 4110859 A1 20230104 (DE)

Application

EP 21709912 A 20210301

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