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1. (WO2017060610) ADHESIVE COMPRISING BLOCK COPOLYMERS, FOR ENCAPSULATING FLEXIBLE ELECTRONIC DEVICES, IMPROVING THE PROTECTION AGAINST GAS PERMEABILITY

Pub. No.:    WO/2017/060610    International Application No.:    PCT/FR2016/052544
Publication Date: Fri Apr 14 01:59:59 CEST 2017 International Filing Date: Wed Oct 05 01:59:59 CEST 2016
IPC: C08F 293/00
C09J 153/00
H01L 31/048
Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
ARKEMA FRANCE
Inventors: HIDALGO, Manuel
CROS, Stéphane
BOLDRIGHINI, Patrick
Title: ADHESIVE COMPRISING BLOCK COPOLYMERS, FOR ENCAPSULATING FLEXIBLE ELECTRONIC DEVICES, IMPROVING THE PROTECTION AGAINST GAS PERMEABILITY
Abstract:
The invention relates to a process for encapsulating a flexible electronic device mounted on a substrate, with at least one sheet that protects against orthogonal gas permeation, by means of an adhesive that protects against lateral gas permeation, the process comprising: a step of applying a precursor of the adhesive that protects against lateral gas permeation, to the surface of the device and/or of the substrate and/or to the surface of the flexible gas-protection sheet, the adhesive precursor comprising at least one pressure-sensitive acrylic block copolymer diluted in a solvent, a step of evaporating the solvent, a step of laminating the adhesive precursor inserted between the substrate and the protective sheet via which the adhesive that protects against lateral gas permeation is obtained.