US 11,896,956 B2
Process for producing composite material
Samuel Burrow, Bristol (GB); Alexander Hewitt, Bristol (GB); and Elena Mogort-Valls, Bristol (GB)
Assigned to Anaphite Limited, Bristol (GB)
Appl. No. 16/966,144
Filed by Anaphite Limited, Bristol (GB)
PCT Filed Jan. 30, 2019, PCT No. PCT/GB2019/050266
§ 371(c)(1), (2) Date Jul. 30, 2020,
PCT Pub. No. WO2019/150114, PCT Pub. Date Aug. 8, 2019.
Claims priority of application No. 1801480.3 (GB), filed on Jan. 30, 2018.
Prior Publication US 2022/0176348 A1, Jun. 9, 2022
Int. Cl. B01J 31/06 (2006.01); B01J 21/06 (2006.01); C01B 32/194 (2017.01); C01B 32/19 (2017.01); B01J 21/18 (2006.01); B01J 35/00 (2006.01); B01J 35/02 (2006.01); B01J 37/00 (2006.01); B01J 37/04 (2006.01)
CPC B01J 21/063 (2013.01) [B01J 21/18 (2013.01); B01J 31/06 (2013.01); B01J 35/004 (2013.01); B01J 35/0013 (2013.01); B01J 35/023 (2013.01); B01J 37/0072 (2013.01); B01J 37/04 (2013.01); C01B 32/19 (2017.08); C01B 32/194 (2017.08); C01P 2002/72 (2013.01); C01P 2002/82 (2013.01); C01P 2002/84 (2013.01); C01P 2002/85 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A process for producing a composite, the process comprising:
a) providing a first dispersion fluid comprising a source of graphene selected from graphene and partially oxidised graphene, wherein the partially oxidized graphene includes oxygen in an amount of up to 10% by weight;
b) providing a particulate material, which is a polymeric material selected from meta-aramid, para-aramid, polycarbonate, poly(methyl methacrylate) (PMMA), nylon, polytetrafluoroethylene (PTFE), polyvinylidene fluoride (PVDF), polyaryletherketone, polypropylene carbonate, polyester, polylactic acid, polyurethane, polyvinyl alcohol, polyvinyl acetate and polyvinyl ester;
c) dispersing the particulate material in the first dispersion fluid comprising the graphene or the partially oxidised graphene, to form a dispersion mixture, and
d) providing a base in the dispersion mixture,
thereby causing the graphene and the particulate material in the dispersion mixture to interact forming the composite.