US 11,981,855 B2
Compositions of matter comprising suspended nanoparticles functionalized with glymo or glymo-like groups and related methods
Oleg A. Mazyar, Katy, TX (US); and Radhika Suresh, Sugar Land, TX (US)
Assigned to Baker Hughes Oilfield Operations LLC, Houston, TX (US)
Filed by Baker Hughes Oilfield Operations LLC, Houston, TX (US)
Filed on Apr. 1, 2022, as Appl. No. 17/657,688.
Prior Publication US 2023/0313019 A1, Oct. 5, 2023
Int. Cl. C09K 8/035 (2006.01); C09K 8/22 (2006.01); C09K 8/52 (2006.01); C09K 8/58 (2006.01)
CPC C09K 8/035 (2013.01) [C09K 8/22 (2013.01); C09K 8/52 (2013.01); C09K 8/58 (2013.01); C09K 2208/10 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A composition of matter, comprising:
a liquid; and
functionalized nanoparticles suspended in the liquid, at least some of the functionalized nanoparticles comprising nanoparticles of aluminosilica and having a chemical structure of:

OG Complex Work Unit Chemistry
wherein:
at least one of the X's represents —O— bonded to a silicon (Si) atom or an aluminum (Al) atom of the aluminosilica of at least one of the nanoparticles;
each other of the X's represents:
an additional —O— bonded to another silicon (Si) atom or another aluminum (Al) atom of the aluminosilica of at least one of the nanoparticles,
an alkoxy group,
an alkyl group,
a hydroxyl group (OH),
a hydrogen atom, or
a halide; and
either:
Z represents an oxygen (O) atom, and Q represents:
 an aziridine group,
 a —CH(OH)CH2OH group,
 a —CH(OH)CH2NH2 group,
 a —CH(NH2)CH2OH group, or
 a —CH(NH2)CH2NH2 group; or
Z represents an NH group, and Q represents:
 an epoxide group,
 an aziridine group,
 a —CH(OH)CH2OH group,
 a —CH(OH)CH2NH2 group,
 a —CH(NH2)CH2OH group, or
 a —CH(NH2)CH2NH2 group.
 
14. A method for forming a suspension of functionalized nanoparticles, the method comprising:
functionalizing nanoparticles with an organosilicon functional group to form functionalized nanoparticles, the nanoparticles each comprising silica and alumina, the functionalized nanoparticles having a chemical structure of:

OG Complex Work Unit Chemistry
wherein:
at least one of the X's represents —O— bonded to a silicon (Si) atom or an aluminum (Al) atom of at least one of the nanoparticles;
each other of the X's represents:
an additional —O— bonded to another silicon (Si) atom or another aluminum (Al) atom of at least one of the nanoparticles,
an alkoxy group,
an alkyl group,
a hydroxyl group (OH),
a hydrogen atom, or
a halide; and
either:
Z represents an oxygen (O) atom, and Q represents:
 an aziridine group,
 a —CH(OH)CH2OH group,
 a —CH(OH)CH2NH2 group,
 a —CH(NH2)CH2OH group, or
 a —CH(NH2)CH2NH2 group; or
Z represents an NH group, and Q represents:
 an epoxide group,
 an aziridine group,
 a —CH(OH)CH2OH group,
 a —CH(OH)CH2NH2 group,
 a —CH(NH2)CH2OH group, or
 a —CH(NH2)CH2NH2 group; and
forming a suspension of the functionalized nanoparticles in a liquid.