# US 12,110,397 B2 · Nanostructured aluminosilicate wax carrier for asphalt > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,110,397 B2 - Document ID: US12110397B2 - Status: Granted - Kind: B2 - Application number: 17/220,549 - Filed: 2021-04-01 - Published: 2021-10-07 - Granted: 2024-10-08 - Earliest claimed: 2020-04-02 - Assignees: Arizona Board of Regents on behalf of Arizona State University - Applicants: Dong-Kyun Seo; Kamil Kaloush; Alireza Samieadel; Elham Fini; Shaojiang Chen - Inventors: Dong-Kyun Seo; Kamil Kaloush; Alireza Samieadel; Elham Fini; Shaojiang Chen - Web page: https://patentgrep.com/patent/US12110397B2 ## CPC - C08L 95/00: Compositions of bituminous materials, e.g. asphalt, tar, pitch - C08K 3/34: Silicon-containing compounds - C08K 9/08: Ingredients agglomerated by treatment with a binding agent - C08L 91/06: Waxes - C08K 7/26: Silicon- containing compounds - C08K 2201/011: Nanostructured additives - C08L 2555/50: Inorganic non-macromolecular ingredients - C08L 2555/72: Petrochemical based or extracted waxes, e.g. paraffin, Montan wax or cracked polyethylene wax - C09J 191/06: Waxes - Y02A 30/30: in transportation, e.g. on roads, waterways or railways - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) - C09J: ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES (preparation of glue or gelatine C09H) - Y02A: TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE ## Abstract A modified bitumen includes bitumen and a bitumen modifier. The bitumen modifier includes composite particles. The composite particles include aluminosilicate nanostructures defining nanopores and micropores and paraffin wax adhered to surfaces of the aluminosilicate nanostructures. Modifying bitumen includes combining bitumen and the bitumen modifier. ## Claims ### Claim 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. ### Claim 2 (depends on 1) The modified bitumen of claim 1, wherein the total amount of the paraffin wax comprises 1 wt % to 10 wt % of the weight of the bitumen and the composite particles. ### Claim 3 (depends on 1) The modified bitumen of claim 1, wherein the aluminosilicate nanostructures adsorb or neutralize acid. ### Claim 4 (depends on 1) The modified bitumen of claim 1, wherein the aluminosilicate nanostructures emit water. ### Claim 5 (depends on 1) The modified bitumen of claim 1, wherein the surfaces comprise exterior surfaces of the aluminosilicate nanostructures. ### Claim 6 (depends on 1) The modified bitumen of claim 1, wherein the surfaces comprise interior surfaces of the aluminosilicate nanostructures. ### Claim 7 (depends on 6) The modified bitumen of claim 6, wherein the paraffin wax is impregnated in the nanopores and micropores of the aluminosilicate nanostructures. ### Claim 8 (depends on 1) The modified bitumen of claim 1, wherein the modified bitumen, when heated, releases the paraffin wax from the nanopores and micropores to yield paraffin wax in the bitumen and locations vacated by the paraffin wax. ### Claim 9 (depends on 8) The modified bitumen of claim 8, wherein the paraffin wax in the bitumen is crystallized in the bitumen. ### Claim 10 (depends on 8) The modified bitumen of claim 8, wherein the locations vacated by the paraffin wax adsorb organic acids in the bitumen. ### Claim 11 A method of modifying bitumen, the method comprising: combining bitumen and a multiplicity of composite particles, wherein each composite particle comprises: 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. ### Claim 12 (depends on 11) The method of claim 11, wherein the paraffin wax is impregnated in the nanopores and the micropores of the aluminosilicate nanostructures. ### Claim 13 (depends on 11) The method of claim 11, wherein combining the bitumen and the multiplicity of the composite particles releases a portion of the paraffin wax from the composite particles. ### Claim 14 A method of forming a bitumen modifier, the method comprising: heating zeolite nanostructures comprising nano-zeolite particles and defining nanopores and micropores; contacting the zeolite nanostructures with melted paraffin wax; and solidifying the paraffin wax, thereby adhering the paraffin wax to surfaces of the zeolite nanostructures. ### Claim 15 (depends on 14) The method of claim 14, further comprising impregnating the zeolite nanostructures with the melted paraffin wax. ### Claim 16 A bitumen modifier comprising: zeolite nanostructures comprising nano-zeolite particles and defining nanopores and micropores; and paraffin wax adhered to the zeolite nanostructures. ### Claim 17 (depends on 16) The bitumen modifier of claim 16, wherein the paraffin wax is impregnated in the nanopores and the micropores of the zeolite nanostructures.