C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 31/04 (2006.01) C08F 2/02 (2006.01) C08F 2/04 (2006.01) C08F 2/44 (2006.01) C08K 3/04 (2006.01) C08L 25/06 (2006.01) C08L 33/06 (2006.01) C08L 33/12 (2006.01) C09C 1/46 (2006.01)
Patent
CA 2411443
Graphite/polymer hybrid composites with tailored structure were prepared using a novel synthesis method based on stable free radical polymerization combined with polymerization compounding. Highly filled and well-dispersed filler/polymer composites have been developed using this method. Grafting polymers onto carbon fillers was carried out in bulk polymerization, in solution and in colloidal dispersion. This method allows control of the percentage of grafted polymers, the architecture of grafted polymers, the length of chains, and the polydispersity index. The organic fillers may be graphite, carbon black and the like in the form of flakes, fibers, colloidal suspensions, films or powders. The synthesis process performed by this method gave grafting percentages of polymers and copolymers ranging from 12 to 88 wt %. Graphite/Polymer composites produced herein represent new material used in bipolar plates for fuel cells and filter press electrolyzers and as composite material for automobiles and aircraft structures.
Chaouki Jamal
Ennajimi Elmekki
Kasseh Abdeslam
Bkp Gp
Chaouki Jamal
Ennajimi Elmekki
Formmat Technologies Inc.
Kasseh Abdeslam
LandOfFree
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