ASPHALT MODIFIERS, METHODS OF MODIFYING ASPHALT, ASPHALT COMPOSITIONS AND METHODS OF MAKING

• US 20100227954A1
• Filed: 03/08/2009
• Published: 09/09/2010
• Est. Priority Date: 03/08/2009
• Status: Abandoned Application

• Current Assignee: Lehigh Technologies, Inc. (Compagnie Generale DES Etablissements Michelin SCA)
• Original Assignee: Asphalt & Wax Innovations, LLC, Waxtech Energy Holdings Incorporated
• Inventors: Keating, Patrick, NAIDOO, PREMNATHAN
• Application Number:
  US12/399,960
• Publication Number:
  US 20100227954A1
• Time in Patent Office: Days
• US Class Current: 524/68
• CPC Class Codes: C08L 21/00 Compositions of unspecified rubbers
• CPC Class Codes: C08L 23/00 Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
• CPC Class Codes: C08L 2666/02 Organic macromolecular compounds, natural resins, waxes or and bituminous materials
• CPC Class Codes: C08L 2666/06 Homopolymers or copolymers of unsaturated hydrocarbons; Derivatives thereof
• CPC Class Codes: C08L 2666/24 Graft or block copolymers according to groups C08L51/00, C08L53/00 or C08L55/02; Derivatives thereof
• CPC Class Codes: C08L 53/00 Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
• CPC Class Codes: C08L 55/00 Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
• CPC Class Codes: C08L 91/00 Compositions of oils, fats or waxes; Compositions of derivatives thereof
• CPC Class Codes: C08L 91/06 Waxes
• CPC Class Codes: C08L 95/00 Compositions of bituminous materials, e.g. asphalt, tar, pitch
• CPC Class Codes: Y02A 30/30 in transportation, e.g. on roads, waterways or railways

Abstract

Asphalt compositions and products comprising petroleum asphalt, polyolefin, and a wax.

Claims

1. An asphalt comprising

Petroleum Asphalt;

Polyolefin component; and

,

Wax component.

2. The asphalt of claim 1, wherein the polyolefin component comprises at least one selected from the group of C1 to C36 polyolefin homo-polymers and copolymers, and the wax component comprises a petroleum micro-wax derived from crude oil refining processes.

3. The asphalt of claim 1, wherein the polyolefin component comprises a melting point range from 115°

C. to 250°

C.

4. The asphalt of claim 1, wherein the polyolefin component comprises at least one selected from the group of polypropylene homo-polymers and ethylene/propylene copolymers, and the wax component comprises a petroleum micro-wax derived from crude oil refining processes.

5. The asphalt of claim 4, wherein the wax component comprises a melting point in the range of 150°

F. (66°

C.) to 220°

F. (104°

C.).

6. The asphalt product of claim 1, wherein the wax component is selected from the group consisting of:

Polyethylene By-Product Waxes, Fischer-Tropsch Hard Wax, SBS, SB, SEBS, SBR, Natural and Synthetic Latex, Crumber Tire Rubber and Elvaloy Terpolymer, Trinidad Lake Asphalt (TLA), Gilsonite, Montan Waxes and natural Rubber.

7. A method of treating a petroleum asphalt, the method comprising,

Contacting a petroleum asphalt with a polyolefin component and a wax component to form a treated asphalt.

8. The method of claim 7, wherein the polyolefin component comprises at least one selected from the group of C1 to C36 polyolefin homo-polymers and copolymers, and the wax component comprises a petroleum micro-wax derived from crude oil refining processes.

9. The asphalt of claim 7, wherein the polyolefin component comprises a melting point range from 115°

C. to 250°

C.

10. The method of claim 7, wherein the polyolefin component comprises at least one selected from the group of polypropylene homo-polymers and ethylene/propylene copolymers, and the wax component comprises a petroleum micro-wax derived from crude oil refining processes.

11. The method of claim 10, wherein the wax component comprises a melting point in the range of 150°

F. (66°

C.) to 220°

F. (104°

C.).

12. The method of claim 7, wherein the wax component is selected from the group consisting of:

Polyethylene By-Product Waxes, Fischer-Tropsch Hard Wax, SBS, SB, SEBS, SBR, Natural and Synthetic Latex, Crumber Tire Rubber and Elvaloy Terpolymer, Trinidad Lake Asphalt (TLA), Gilsonite, Montan Waxes and natural Rubber.

13. An asphalt additive comprising

Polyolefin component;

and,

Wax component.

14. The asphalt of claim 13, wherein the polyolefin component comprises at least one selected from the group of C1 to C36 polyolefin homo-polymers and copolymers, and the wax component comprises a petroleum micro-wax derived from crude oil refining processes.

15. The asphalt of claim 13, wherein the polyolefin component comprises a melting point range from 115°

C. to 250°

C.

16. The asphalt of claim 13, wherein the polyolefin component comprises at least one selected from the group of polypropylene homo-polymers and ethylene/propylene copolymers, and the wax component comprises a petroleum micro-wax derived from crude oil refining processes.

17. The asphalt of claim 16, wherein the wax component comprises a melting point in the range of 150°

F. (66°

C.) to 220°

F. (104°

C.).

18. The asphalt product of claim 13, wherein the wax component is selected from the group consisting of:

Polyethylene By-Product Waxes, Fischer-Tropsch Hard Wax, SBS, SB, SEBS, SBR, Natural and Synthetic Latex, Crumber Tire Rubber and Elvaloy Terpolymer, Trinidad Lake Asphalt (TLA), Gilsonite, Montan Waxes and natural Rubber.