CA2684495A1 - Method for producing bitumen compositions - Google Patents

Method for producing bitumen compositions Download PDF

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Publication number
CA2684495A1
CA2684495A1 CA002684495A CA2684495A CA2684495A1 CA 2684495 A1 CA2684495 A1 CA 2684495A1 CA 002684495 A CA002684495 A CA 002684495A CA 2684495 A CA2684495 A CA 2684495A CA 2684495 A1 CA2684495 A1 CA 2684495A1
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CA
Canada
Prior art keywords
salts
bitumen
composition
alkyl
emulsifier
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Granted
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CA002684495A
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French (fr)
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CA2684495C (en
Inventor
Everett Crews
Tom Girardeau
Iain Jack
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Ingevity South Carolina LLC
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Individual
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
    • C08L95/005—Aqueous compositions, e.g. emulsions
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • C08K5/19—Quaternary ammonium compounds

Abstract

The present invention relates to bituminous compositions suitable for use in paving applications containing bitumen emulsion of performance-grade bit umen that is substantially free of volatile solvents and made by controlling temperature-dependent interfacial rheology through the use of selected emul sifiers. The invention bituminous paving compositions are suitable for the c onstruction of load-bearing pavements with improved compaction to densities similar or superior to those achieved in the conventional hot mix bituminous paving compositions. Cure rate of the invention bituminous compositions is higher than those of cold mix bitumen emulsion-based paving compositions, an d at least equal to those of hot mix bituminous paving compositions. Additio nally, the invention bituminous compositions develop adhesive strength and l oad-bearing strength properties at rates comparable to those of hot mix bitu minous paving compositions, and at rates faster than those of cold mix bitum inous paving compositions.

Claims (25)

1. Bituminous composition comprising:
(a) solvent-free bitumen emulsion in an amount from about 2% to about 10% by total weight of the bituminous composition, wherein the emulsion comprises:
(i) bitumen in an amount from about 50% to about 75% by total weight of the bitumen emulsion, (ii) emulsifier package having an interfacial tension between the bitumen and water of less than 40 dynes/cm at a temperature of 26° C and at an aqueous concentration of less than 0.1 % weight, in an amount from about 0.05% to about 2% by total weight of the bitumen emulsion, (ii) water in an amount to complete the emulsion; and (b) aggregate in an amount from about 90% to about 98% by total weight of the bituminous composition; and wherein the bituminous composition is in an absence of bitumen having a penetration number of more than 220 dmm as determined according to an ASTM
standard method D5 at 25°C.
2. The composition of claim 1, wherein the bitumen comprises at least one member selected from the group consisting of naturally occurring bitumen, bitumen from crude oil, bitumen from petroleum pitch, bitumen from coal tar, polymer-modified bitumen, rubberized bitumen, rubberized bitumen containing recycled tire material, acid-modified bitumen, wax-modified bitumen, and combinations thereof.
3. The composition of claim 1, wherein the bitumen comprises a bitumen modified with at least one compound selected from the group consisting of natural rubber, synthetic rubber, plastomer, thermoplastic resin, thermosetting resin, elastomer, styrene-butadiene-styrene, styrene-butadiene-rubber, polyisoprene, neoprene, associative thickener, starch, polybutylene, butadiene-styrene rubber, vinyl polymer, ethylene vinyl acetate, sulfur-containing crosslinker, salt, acid modifier, wax modifier, and combinations thereof.
4. The composition of claim 1, wherein the emulsifier package comprises an anionic emulsifier.
5. The composition of claim 4, wherein the anionic emulsifier comprises at least one member selected from the group consisting of C-12 to C-24 fatty acids; Diels-Alder adducts of C-12 to C-24 fatty acids; rosin acids; Diels-Alder adducts of rosin acids;
natural resinous polymers; quebracho resins; tannins; lignous polymers;
polyacrylic acid; polyacrylate; alkyl sulfonates; alkyl benzyl sulfonates; alkyl sulfates;
alkyl phosphonates; alkyl phosphates; phenolic resins; organic sulfates; organic sulfonates;
organic phosphates; organic phosphonates; and combinations thereof.
6. The composition of claim 1, wherein the emulsifier package comprises an amphoteric emulsifier.
7. The composition of claim 1, wherein the emulsifier package comprises a cationic emulsifier.
8. The composition of claim 7, wherein the cationic emulsifier comprises at least one member selected from the group consisting of fatty imidoamines; fatty amidoamines;
polyoxyethylene monoamines; polyoxypropylene monoamines; polyoxyethylene polypropylenepolyamines; polyoxypropylene polypropylenepolyamines; C-12 to C-alkyl aryl monoamines; C-12 to C-24 alkyl aryl polypropylenepolyamines; C-12 to C-24 quaternary amines; C-12 to C-24 alkyl ether amines; C-12 to C-24 alkylether polyamines; C-12 to C-24 alkyl monoamines; C-12 to C-24 alkyl polypropylenepolyamines; C-12 to C-24 alkyl polypropylene polyamine N-oxide;
amine derivatives of tannins; amine derivatives of phenolic resins; amine derivatives of lignins; amine-modified polyacrylates; and combinations thereof.
9. The composition of claim 1, wherein the emulsifier package comprises a nonionic emulsifier.
10. The composition of claim 9, wherein the nonionic emulsifier comprises at least one member selected from the group consisting of alkylaryl polyethylene oxide derivative of alkanol; polypropylene oxide derivative of alkanol; polyethylene oxide derivative of alkanol; polypropylene oxide derivative of alkanol; polyethoxylated emulsifier;
polypropoxylated emulsifier; sorbitan esters; saccharide-based surfactants;
protein stabilizer; mechanical stabilizers; alkyl polysaccharide; alkylphenol alkoxylate; fatty alcohol ethoxylate; fatty acid propoxylate; ethoxylate of escinoleic acid;
ethoxylate of castor oil; propoxylate of escinoleic acid; propoxylate of castor oil; and combinations thereof.
11. The composition of claim 1, wherein the emulsifier package comprises at least one member selected from the group consisting of polyethylene-polypropylene block copolymer; hydroxypoly(oxyethylene) poly(oxypropylene) poly(oxyethylene) block copolymers; 1,2-propyleneglycol ethoxylated; 1,2-propyleneglycol propoxylated;

synthetic block copolymer of ethylene oxide and propylene oxide having molecular weights exceeding 300 g/mole; decyl alcohol ethoxylates; castor oil ethoxylate; ceto-oleyl alcohol ethoxylate; ethoxylated alkanolamide; fatty alcohol alkoxylates;
dinonyl phenol ethoxylate; nonyl phenol ethoxylate; sorbitan ester ethoxylate; alkyl ether sulphate; monoalkyl sulphosuccinamate; alkyl phenol ether sulphate; fatty alcohol sulphate; di-alkyl sulphosuccinate; alkyl ether phosphate; alkyl phenol ether phosphate;
alkyl naphthalene sulphonate; a-olefin sulphonate; alkyl benzene sulphonic acids and salt, alkyl ampho(di)acetate; alkyl betaine; alkyl polysaccharide; alkylamine ethoxylate;
amine oxide; oligomeric ethyleneamine; oligomeric polypropyleneamine;
hexamethylene diamine; bis-hexamethylene diamine; oligomeric aziridine;
polyaziridine; polyethylene polyamine;polypropylene polyamine;
polyethylene/polypropylene polyamine; distillation residue from polyalkylene polyamine manufacture; higher order polyalkylene polyamine;homolog of hydroxyalkyl amine; C-36 dimeric fatty acid; C-54 trimeric fatty acid; amides of C-36 dimeric fatty;
polyamides of C-36 dimeric fatty; polyamides of C-54 trimeric fatty amide;
salts of C-36 dimeric fatty acid; salts of C-54 trimeric fatty acid; hydroxystearic acid;oligomer of hydroxystearic acid; polymeric hydroxystearic acid; polyalkyleneamide of hydroxystearic acid; polyalkyleneamide of oligomer of hydroxystearic acid;
polyalkyleneamide of polymeric hydroxystearic acid; salts of hydroxystearic acid; salts of oligomer of hydroxystearic acid; salts of polymeric hydroxystearic acid;
dialkylarylamine;salts of dialkylarylamine; bisamides of polyalkylenepolyamine; salts of (polyalkylenepolyamine)bisamides; and combinations thereof.
12. The composition of claim 1, wherein the emulsifier package comprises a member selected from the group consisting of:
(i) ethoxytrimethyleneamine derivatives of C-12 to C-24 fatty amines of structure (I) wherein R = C-12 to C-24, x + y >= 2, and a, b >= 0;

(ii) propoxytrimethyleneamine derivatives of C-12 to C-24 fatty amines of structure (II) wherein R = C-12 to C-24, x + y >= 2, a, b >= 0;
(iii) aliphatic diakylamine of structure (III) wherein R1, R2 = C-12 to C-24;

(iv) quaternary amine of structure (IV) wherein R1, R2 = C-12 to C-24, and R3, R4 = methyl or higher order homolog of C-12 to C-24 moieties;

(v) quaternary amine of structure (V) wherein R1, R2 = C-12 to C-24, R3, R4 = ethoxy moieties, propoxy moieties, or combinations thereof;

(vi) polyamide of structure (I);
(vii) polyamide of structure (II);
(viii) salt of structure (III);
(ix) salts of structure (IV); and (x) salts of structure (V).
13. The composition of claim 1, wherein the emulsifier package comprises a member selected from the group consisting of oligomerics of acrylic-based acids;
polymers of acrylic-based acids; oligomerics of acrylic-based ester; polymers of acrylic-based ester;
oligomerics of acrylic-based amides; polymers of acrylic-based amides;
oligomerics of styrene-based monomers, polymers of styrene-based monomers; alkene oligomers;
poly(alkene); diene oligomers; polydiene; oligomerics of hydroxylated propene;

polymers of hydroxylated propene; oligomerics of polyhyrdoxylated polyalkene;
polymers of polyhydroxylated polyalkene; oligomerics of halogenated ethylene;
polymers of halogenated ethylene; oligomerics of halogenated alkene; polymers of halogenated alkylene; oligomerics of halogenated alkylidene; polymers of halogenated alkylidene; and combinations thereof.
14. The composition of claim 1, wherein the emulsifier package comprises a member selected from the group consisting of salts of oligomerics of acrylic-based acids; salts of polymers of acrylic-based acids; salts of oligomerics of acrylic-based ester;
salts of polymers of acrylic-based ester; salts of oligomerics of acrylic-based amides;
salts of polymers of acrylic-based amides; salts of oligomerics of styrene-based monomers, salts of polymers of styrene-based monomers; salts of alkene oligomers; salts of poly(alkene); salts of diene oligomers; salts of polydiene; salts of oligomerics of hydroxylated propene; salts of polymers of hydroxylated propene; salts of oligomerics of polyhyrdoxylated polyalkene; salts of polymers of polyhydroxylated polyalkene;
salts of oligomerics of halogenated ethylene; salts of polymers of halogenated ethylene;
salts of oligomerics of halogenated alkene; salts of polymers of halogenated alkylene;
salts of oligomerics of halogenated alkylidene; polymers of halogenated alkylidene;
salts of oligomeric ethyleneamine; salts of oligomeric polypropyleneamine;
salts of hexamethylene diamine; salts of bis-hexamethylene diamine; salts of oligomeric aziridine; salts of polyaziridine; salts of polyethylene polyamine; salts of polypropylene polyamine; salts of polyethylene/polypropylene polyamine; salts of distillation residue from polyalkylene polyamine manufacture; salts of higher order polyalkylene polyamine; and combinations thereof.
15. The composition of claim 1, wherein the emulsifier package comprises a member selected from the group consisting of amides of oligomeric ethyleneamine;
amides of oligomeric polypropyleneamine; amides of hexamethylene diamine; amides of bis-hexamethylene diamine; amides of oligomeric aziridine; amides of polyaziridine;
amides of polyethylene polyamine; amides of polypropylene polyamine; amides of polyethylene/polypropylene polyamine; amides of distillation residue from polyalkylene polyamine manufacture; amides of higher order polyalkylene polyamine;
and combinations thereof.
16. The composition of claim 1, wherein the emulsifier package comprises a member selected from the group consisting of amido salts of oligomeric ethyleneamine;
amido salts of oligomeric polypropyleneamine; amido salts of hexamethylene diamine;
amido salts of bis-hexamethylene diamine; amido salts of oligomeric aziridine; amido salts of polyaziridine; amido salts of polyethylene polyamine; amido salts of polypropylene polyamine; amido salts of polyethylene/polypropylene polyamine; amido salts of distillation residue from polyalkylene polyamine manufacture; amido salts of higher order polyalkylene polyamine; and combinations thereof.
17. The composition of claim 1, wherein the emulsifier package has an interfacial tension between the bitumen and water of less than 40 dynes/cm at a temperature of 26° C and at an aqueous concentration of less than 0.1% weight.
18. The composition of claim 1, wherein the bitumen emulsion comprises organic solvent in an amount of less than or equal to 4% by weight by total weight of the emulsion.
19. The composition of claim 1, wherein the aggregate comprises at least one member selected from the group consisting of dense-graded aggregate, gap-graded aggregate, open-graded, stone-matrix aggregate, reclaimed asphalt pavement material, reclaimed roofing shingles, and combinations thereof.
20. The composition of claim 1, further comprising additive for enhancing processability or improving performance.
21. The composition of claim 1, characterized by its application to a surface being paved at a temperature in a range of about 0° C to about 120° C.
22. A method for producing a bituminous composition comprising steps of:
(A) preparing bituminous emulsion comprising:
(i ) bitumen in an amount from about 50% to about 75% by total weight of the bitumen emulsion, (ii) emulsifier package having an interfacial tension between the bitumen and water of less than 40 dynes/cm at a temperature of 26° C and at an aqueous concentration of less than 0.1% weight, in an amount from about 0.05% to about 2% by total weight of the bitumen emulsion, and (iii) water in an amount to complete the emulsion; and (B) producing the bituminous composition having a temperature from about 50° C
to about 140° C by mixing:
(i) the bitumen emulsion of step (A), having a temperature from about 25° C
to about 95° C, in an amount from about 2% to about 10% by total weight of the bituminous composition, and (ii) aggregate having a temperature from about 60° C to about 140° C, in an amount from about 90% to about 98% by total weight of the bituminous composition;
wherein the bituminous composition is in an absence of bitumen having a penetration number of more than 220 dmm as determined according to an ASTM
standard method D5 at 25°C.
23. The method of claim 72, wherein the bituminous emulsion is delivered after production directly into at least one stationary or mobile asphalt mixing unit, wherein the mixing unit comprises at least one member selected from the group consisting of drum mixers, pug-mill batch mixers, dual mixers, and combinations thereof, and wherein the mobile mixing unit comprises equipment used in in-situ or in-place operations.
24. A paved road comprising at least one layer of a bituminous composition, wherein the bituminous composition comprises:
(a) solvent-free bitumen emulsion in an amount from about 2% to about 10% by total weight of the bituminous composition, wherein the emulsion comprises:
(i) bitumen in an amount from about 50% to about 75% by total weight of the bitumen emulsion, (ii) emulsifier package having an interfacial tension between the bitumen and water of less than 40 dynes/cm at a temperature of 26° C and at an aqueous concentration of less than 0.1% weight, in an amount from about 0.05% to about 2% by total weight of the bitumen emulsion, (iii) water in an amount to complete the emulsion; and (b) aggregate in an amount from about 90% to about 98% by total weight of the bituminous composition;
wherein the bituminous composition is in an absence of bitumen having a penetration number of more than 220 dmm as determined according to an ASTM
standard method D5 at 25°C.
25. The paved road of claim 24, wherein the emulsifier package comprises at one member selected from the group consisting of anionic emulsifier, cationic emulsifier, amphoteric emulsifier, nonionic emulsifier, and combinations thereof.
CA2684495A 2007-04-16 2008-03-28 Method for producing bitumen compositions Active CA2684495C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US73566907A 2007-04-16 2007-04-16
US11/735,669 2007-04-16
US11/852,696 US7833338B2 (en) 2004-02-18 2007-09-10 Method for producing bitumen compositions
US11/852,696 2007-09-10
PCT/US2008/058686 WO2008130789A2 (en) 2007-04-16 2008-03-28 Method for producing bitumen compositions

Publications (2)

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CA2684495A1 true CA2684495A1 (en) 2008-10-30
CA2684495C CA2684495C (en) 2012-07-17

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US (5) US7833338B2 (en)
EP (2) EP2185650B1 (en)
CN (1) CN101679754A (en)
AU (1) AU2008242350B2 (en)
BR (1) BRPI0810452A2 (en)
CA (1) CA2684495C (en)
MX (1) MX2009011201A (en)
WO (1) WO2008130789A2 (en)
ZA (1) ZA200907053B (en)

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