US 12,110,397 B2
Nanostructured aluminosilicate wax carrier for asphalt
Dong-Kyun Seo, Chandler, AZ (US); Kamil Kaloush, Scottsdale, AZ (US); Alireza Samieadel, Tempe, AZ (US); Elham Fini, Phoenix, AZ (US); and Shaojiang Chen, Mesa, AZ (US)
Assigned to Arizona Board of Regents on behalf of Arizona State University, Scottsdale, AZ (US)
Filed by Dong-Kyun Seo, Chandler, AZ (US); Kamil Kaloush, Scottsdale, AZ (US); Alireza Samieadel, Tempe, AZ (US); Elham Fini, Phoenix, AZ (US); and Shaojiang Chen, Mesa, AZ (US)
Filed on Apr. 1, 2021, as Appl. No. 17/220,549.
Claims priority of provisional application 63/004,243, filed on Apr. 2, 2020.
Prior Publication US 2021/0309858 A1, Oct. 7, 2021
Int. Cl. C08L 95/00 (2006.01); C08K 3/34 (2006.01); C08L 91/06 (2006.01)
CPC C08L 95/00 (2013.01) [C08K 3/34 (2013.01); C08L 91/06 (2013.01); C08K 2201/011 (2013.01); C08L 2555/50 (2013.01); C08L 2555/72 (2013.01)] 17 Claims
 
1. A modified bitumen comprising:
bitumen; and
composite particles comprising:
aluminosilicate nanostructures comprising nano-zeolite particles and defining nanopores and micropores; and
paraffin wax adhered to surfaces of the aluminosilicate nanostructures,
wherein a total amount of paraffin wax in the modified bitumen comprises:
the paraffin wax adhered to the surfaces of the aluminosilicate nanostructures; and
an additional amount of paraffin wax, and
wherein the total amount of the paraffin wax comprises 0.1 wt % to 10 wt % of a weight of the bitumen and the composite particles.