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1. WO2022126281 - METHOD FOR MANUFACTURING AN ELECTRICALLY CONDUCTIVE COMPOSITE

Publication Number WO/2022/126281
Publication Date 23.06.2022
International Application No. PCT/CA2021/051839
International Filing Date 17.12.2021
IPC
H01B 13/00 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
13Apparatus or processes specially adapted for manufacturing conductors or cables
H01B 1/20 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
1Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
20Conductive material dispersed in non-conductive organic material
H01B 1/24 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
1Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
20Conductive material dispersed in non-conductive organic material
24the conductive material comprising carbon-silicon compounds, carbon, or silicon
Applicants
  • SOCOVAR, SOCIÉTÉ EN COMMANDITE [CA]/[CA]
Inventors
  • KUESTER, Scheyla
  • DEMARQUETTE, Nicole
Agents
  • LAVERY, DE BILLY, LLP
Priority Data
63/199,29418.12.2020US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) METHOD FOR MANUFACTURING AN ELECTRICALLY CONDUCTIVE COMPOSITE
(FR) PROCÉDÉ DE FABRICATION DE COMPOSITE ÉLECTRIQUEMENT CONDUCTEUR
Abstract
(EN) A method of manufacturing an electrically conductive composite comprising a thermoplastic polymer and electrically conductive particles embedded in at least part of the surface of the thermoplastic polymer is provided. This method comprises the steps of: a) providing a heat-shrinkable object made of bulk thermoplastic polymer, wherein at least part of the surface of the object is rough, b) depositing electrically conductive particles on said part of the surface of the object that is rough leaving spaces free of particles on said part of the surface of the object that is rough, and c) heating the object above a shrinking temperature, thereby shrinking the object, embedding the particles into said part of the surface of the object that is rough and allowing the particles to form conductive paths yielding the electrically conductive composite.
(FR) L'invention concerne un procédé de fabrication d'un composite électriquement conducteur comprenant un polymère thermoplastique et des particules électriquement conductrices incorporées dans au moins une partie de la surface du polymère thermoplastique. Ce procédé comprend les étapes consistant à : a) fournir un objet thermorétractable constitué d'un polymère thermoplastique en vrac, au moins une partie de la surface de l'objet étant rugueuse, b) déposer des particules électriquement conductrices sur ladite partie de la surface de l'objet qui est rugueuse en laissant des espaces exempts de particules sur ladite partie de la surface de l'objet qui est rugueuse, et c) chauffer l'objet au-dessus d'une température de rétraction, ce qui permet de rétracter l'objet, d'incorporer les particules dans ladite partie de la surface de l'objet qui est rugueuse et de permettre aux particules de former des chemins conducteurs donnant le composite électriquement conducteur.
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