A paving composition is disclosed comprising a bituminous material, such as asphalt, and a reaction product of at least one polycarboxylic acid reacted with at least one polyamine. The composition preferably is substantially free of water. The reaction product can be a diamide compound. The paving c
A paving composition is disclosed comprising a bituminous material, such as asphalt, and a reaction product of at least one polycarboxylic acid reacted with at least one polyamine. The composition preferably is substantially free of water. The reaction product can be a diamide compound. The paving composition can further include mineral aggregate. The paving composition can be used in applications such as road construction or repair.
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1. A paving composition comprising a bituminous material and a diamide compound, wherein:the composition is substantially free of water; andthe diamide compound is represented by:if A is hydrogen, B is R 2 NHR 3 NH 2 ;if A is R 2 NH 2 , B is R 3 NH 2 ;R 1 is a branched or straight-chain alky
1. A paving composition comprising a bituminous material and a diamide compound, wherein:the composition is substantially free of water; andthe diamide compound is represented by:if A is hydrogen, B is R 2 NHR 3 NH 2 ;if A is R 2 NH 2 , B is R 3 NH 2 ;R 1 is a branched or straight-chain alkyl or aromatic or alkylaromatic group; andR 2 and R 3 are the same or different and are a branched chain alkyl, straight-chain alkyl, or —R—NH—R, in which R is a branched chain alkyl with about 1 to about 6 carbon atoms or a straight-chain alkyl with about 1 to about 6 carbon atoms. 2. The paving composition of claim 1, further comprising a mineral aggregate. 3. The paving composition of claim 1, wherein the bituminous material is asphalt. 4. The paving composition of claim 1, wherein the diamide compound is a reaction product of at least one polyamine reacted with at least one polycarboxylic acid. 5. The paving composition of claim 4, wherein the polycarboxylic acid is represented by Formula 2:wherein R 1 is a branched chain alkyl, straight-chain alkyl, aromatic, or alkylaromatic group. 6. The paving composition of claim 4, wherein the polyamine is represented by Formula 7:wherein R 2 and R 3 are the same or different and are a branched chain alkyl, straight-chain alkyl, or —R—NH—R, in which R is a branched chain alkyl with about 1 to about 6 carbon atoms or a straight chain alkyl with about 1 to about 6 carbon atoms. 7. The paving composition of claim 2, wherein the diamide compound is present in an amount sufficient to promote adhesion between the bituminous material and the mineral aggregate. 8. The paving composition of claim 2, wherein the diamide compound is present in an amount of about 0.1 wt. % to about 10 wt. %. 9. The paving composition of claim 2, wherein the diamide compound is present in an amount of about 0.5 wt. % to about 5 wt. %. 10. The paving composition of claim 2, wherein the diamide compound is present in an amount of about 0.5 wt. % to about 2 wt. %. 11. The paving composition of claim 2, wherein the diamide compound is present in an amount of about 0.8 wt. % to about 1 wt. %. 12. The paving composition of claim 2, further comprising cement, hydrated lime limestone dust, fly ash, or a mixture thereof. 13. The paving composition of claim 1, further comprising a fatty amine, a fatty propane diamine, a fatty amidoamine, a fatty imidazoline, a fatty monoquatenary ammonium salt, a fatty diquatenary diammonium salt, an ethylene glycol polyether of nonyl phenol, an ethylene glycol polyether of dodecyl phenol, or a mixture thereof. 14. The paving composition of claim 1, further comprising a nitrogen derivative of rosin acid, nitrogen derivative of kraft lignin, or a mixture thereof. 15. A paving composition comprising:asphalt;a mineral aggregate; anda diamide compound, wherein:the composition is substantially free of water; andthe diamide compound is represented by:if A is hydrogen, B is R 2 NHR 3 NH 2 ;if A is R 2 NH 2 , B is R 3 NH 2 ;R 1 is a branched or straight-chain alkyl or aromatic or alkylaromatic group; and R 2 , and R 3 are the same or different and are a branched chain alkyl, straight-chain alkyl, or —R—NH—R, in which R is a branched chain alkyl with about 1 to about 6 carbon atoms or a straight-chain alkyl with about 1 to about 6 carbon atoms. 16. A method of preparing a paving composition, the method comprising mixing a bituminous material with a diamide compound in the substantial absence of water to prepare a mixture; wherein the diamide compound is represented by:if A is hydrogen, B is R 2 NHR 3 NH 2 ;if A is R 2 NH 2 , B is R 3 NH 2 ;R 1 , is a branched or straight-chain alkyl or aromatic or alkylaromatic group; andR 2 and R 3 are the same or different and are a branched chain alkyl, straight-chain alkyl, or —R—NH—R, in which R is a branched chain alkyl with about 1 to about 6 carbon atoms o r a straight-chain alkyl with about 1 to about 6 carbon atoms. 17. The method of claim 16, further comprising adding a mineral aggregate to the mixture. 18. The method of claim 16, wherein the diamide compound is a reaction product of at least one polyamine reacted with at least one polycarboxylic acid. 19. The method of claim 16, further comprising adding a mineral aggregate during the mixing of the bituminous material and the diamide compound. 20. The method of claim 16, further comprising adding a mineral aggregate after the mixing of the bituminous material and the diamide compound. 21. The method of claim 16, wherein the bituminous material is asphalt. 22. A method of paving a road, the method comprising:obtaining a mixture of a bituminous material and a diamide compound, wherein the mixture substantially lacks water;adding a mineral aggregate to the mixture to prepare a paving composition; andapplying the paving composition to a portion of a road; wherein the diamide compound is represented by:if A is hydrogen, B is R 2 NHR 3 NH 2 ;if A is R 2 NH 2 , B is R 3 NH 2 ;R 1 is a branched or straight-chain alkyl or aromatic or alkylaromatic group; andR 2 and R 3 are the same or different and are a branched chain alkyl, straight-chain alkyl, or —R—NH—R, in which R is a branched chain alkyl with about 1 to about 6 carbon atoms or a straight-chain alkyl with about 1 to about 6 carbon atoms. 23. A method of paving a road, the method comprising:mixing a bituminous material with a diamide compound in the substantial absence of water to prepare a bituminous mixture;adding a mineral aggregate to the bituminous mixture to prepare a paving composition; andapplying th paving composition to a portion of a road; wherein the diamide compound is represented by:if A is hydrogen, B is R 2 NHR 3 NH 2 ;if A is R 2 NH 2 , B is R 3 NH 2 ;R 1 is a branched or straight-chain alkyl or aromatic or alkylaromatic group; andR 2 and R 3 are the same or different and are a branched chain alkyl, straight-chain alkyl, or —R—NH—R, in which R is a branched chain alkyl with about 1 to about 6 carbon atoms or a straight-chain alkyl with about 1 to about 6 carbon atoms. 24. The method of claim 23, wherein the diamide is a reaction product of at least one polyamine reacted with at least one polycarboxylic acid.
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