EP 4366909 A1 20240515 - DETACHABLE FILM LAMINATE AND METHOD FOR DETACHING PERMANENT ADHESIVE BONDS
Title (en)
DETACHABLE FILM LAMINATE AND METHOD FOR DETACHING PERMANENT ADHESIVE BONDS
Title (de)
LÖSBARES FOLIENLAMINAT UND VERFAHREN ZUM LÖSEN DAUERHAFTER VERKLEBUNGEN
Title (fr)
STRATIFIÉ DÉTACHABLE ET PROCÉDÉ POUR DÉTACHER DES COLLAGES DURABLES
Publication
Application
Priority
- DE 102021207161 A 20210707
- EP 2022068079 W 20220630
Abstract (en)
[origin: WO2023280673A1] The present invention relates to a film laminate which is formed and designed to be separated after permanent adhesive bonding, comprising the following layers: a) a first adhesive compound layer, preferably a contact adhesive layer, b) a first support material, preferably in the form of a film, c) a separating layer, d) optionally a second support material, preferably in the form of a film, e) a second adhesive compound layer, preferably a contact adhesive layer, characterised in that the separating layer - has a thickness of 40 nm to 500 nm, - is black, - has a maximum transmittance of 30%, - consists of a metal which can be at least partially removed by laser radiation, the second adhesive compound layer being translucent to laser beams and/or the first adhesive compound layer and the first support material being translucent to laser beams.
IPC 8 full level
B23K 26/36 (2014.01); C09J 7/22 (2018.01); C09J 7/38 (2018.01)
CPC (source: EP KR)
C09J 5/00 (2013.01 - EP KR); C09J 7/22 (2018.01 - EP KR); C09J 7/29 (2018.01 - EP KR); C09J 2203/326 (2013.01 - EP KR); C09J 2203/354 (2020.08 - EP KR); C09J 2301/124 (2020.08 - EP KR); C09J 2301/416 (2020.08 - EP KR); C09J 2301/502 (2020.08 - EP KR); C09J 2400/123 (2013.01 - EP KR); C09J 2400/163 (2013.01 - EP KR); C09J 2423/046 (2013.01 - EP KR); C09J 2423/106 (2013.01 - EP KR); C09J 2433/00 (2013.01 - EP KR); C09J 2467/006 (2013.01 - EP KR)
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 102021207161 A1 20230112; CN 117916051 A 20240419; EP 4366909 A1 20240515; KR 20240029068 A 20240305; TW 202311028 A 20230316; TW I833269 B 20240221; WO 2023280673 A1 20230112
DOCDB simple family (application)
DE 102021207161 A 20210707; CN 202280057004 A 20220630; EP 2022068079 W 20220630; EP 22744654 A 20220630; KR 20247003922 A 20220630; TW 111124945 A 20220704