US 11,673,103 B2
Method for producing stable graphene, graphite and amorphous carbon aqueous dispersions
Fernando Galembeck, Campinas (BR)
Assigned to Elisa Ferreira, Campinas (BR); and Fernando Galembeck, Campinas (BR)
Filed by Elisa Ferreira, Campinas (BR); and Fernando Galembeck, Campinas (BR)
Filed on Oct. 1, 2020, as Appl. No. 17/60,804.
Application 17/060,804 is a division of application No. 15/768,706, abandoned, previously published as PCT/BR2016/050169, filed on Jul. 22, 2016.
Claims priority of application No. 102015026420-8 (BR), filed on Oct. 16, 2015.
Prior Publication US 2021/0069660 A1, Mar. 11, 2021
Int. Cl. B01F 23/50 (2022.01); C08K 3/04 (2006.01); C09D 7/45 (2018.01); C09D 5/24 (2006.01); C09D 5/32 (2006.01); C09D 11/037 (2014.01); C09D 11/14 (2006.01); C09D 11/17 (2014.01); C09D 11/52 (2014.01); C09D 101/02 (2006.01); C09J 9/02 (2006.01); C09J 101/02 (2006.01); H01B 1/04 (2006.01); B82Y 40/00 (2011.01); B01F 101/35 (2022.01); B01F 101/36 (2022.01); H01B 13/00 (2006.01); H01M 4/587 (2010.01); G02B 5/00 (2006.01); H01M 4/62 (2006.01)
CPC B01F 23/511 (2022.01) [C08K 3/04 (2013.01); C08K 3/042 (2017.05); C09D 5/24 (2013.01); C09D 5/32 (2013.01); C09D 7/45 (2018.01); C09D 11/037 (2013.01); C09D 11/14 (2013.01); C09D 11/17 (2013.01); C09D 11/52 (2013.01); C09D 101/02 (2013.01); C09J 9/02 (2013.01); C09J 101/02 (2013.01); H01B 1/04 (2013.01); H01B 13/0036 (2013.01); B01F 2101/35 (2022.01); B01F 2101/36 (2022.01); B82Y 40/00 (2013.01); G02B 5/003 (2013.01); H01M 4/587 (2013.01); H01M 4/625 (2013.01)] 3 Claims
 
1. A process for dispersing carbonaceous materials selected from the group consisting of graphite, carbon nanotubes, fullerenes, and colloidal carbons comprising forming a dispersion of said carbonaceous materials in an alkaline cellulose solution, said alkaline cellulose solution consisting of a solution or dispersion of cellulose in an alkaline aqueous medium, at a range of concentrations of the cellulose from 0.001% to 50% by weight of the alkaline cellulose solution, and forming dispersions of nanometric particles without the use of surfactants or other dispersants.