Patent (Patents)
Process for preparing electromagnetic interference shileding materials
Thomassin, Jean-Michel; Jérôme, Christine; Detrembleur, Christophe et al.
2012
 

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Thomassin JM 2012 Patent WO2012028734 A1.pdf
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Keywords :
electromagnetic interferences (EMI) shielding material
Abstract :
[en] The present invention relates to a process for preparing an electromagnetic interference shielding material, or a precursor thereof, comprising a first polymer matrix and carbon conductive loads, said process comprises the steps of: (a) Forming a reaction mixture comprising carbon conductive loads and a polymerizable medium said polymerizable medium comprising one or more monomers dissolved in a solvent, (b) Exposing the reaction mixture to polymerization conditions to polymerize said polymerizable medium and thus form a polymer, and (c) Forming a precipitate or an agglomerate of an electromagnetic interference shielding material made of less than 50 wt.% carbon conductive loads dispersed in the first polymer matrix formed in step (b), characterized in that, said polymer is insoluble in said solvent and in that a fraction of the polymer chains thus formed are grafted on part of the surface of the carbon conductive loads.
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Materials science & engineering
Chemistry
Inventor :
Thomassin, Jean-Michel ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Jérôme, Christine  ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Detrembleur, Christophe ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Alexandre, Michaël ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Huynen, Isabelle;  Université catholique de Louvain (UCL)
Language :
English
Title (54) :
Process for preparing electromagnetic interference shileding materials
Publication date (43-45) :
08 March 2012
Filing date (22) :
02 September 2011
Patent/publication number (10-11) :
WO 2012028734
Patent status (13) :
A
Priority number (30) :
EP20100175224 20100903
International classification (IPC) (51) :
H01B1/24; H05K9/00
European classification (ECLA) (52) :
H05K9/00A2; H05K9/00M4B; H05K9/00M4F
Applicant (71) :
University of Liège (Ulg)
Université Catholique de Louvain (UCL)
Publication organism (19) :
WIPO
Available on ORBi :
since 05 June 2012

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