# US 8,771,413 B2 · Asphalt-mineral compositions

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- Number: US 8,771,413 B2
- Document ID: US8771413B2
- Status: Granted
- Kind: B2
- Application number: 13/618,452
- Filed: 2012-09-14
- Published: 2013-01-10
- Granted: 2014-07-08
- Earliest claimed: 2008-12-09
- Assignees: Zydex Industries
- Applicants: Ajay Ranka; Prakash Mehta
- Inventors: Ajay Ranka; Prakash Mehta
- Web page: https://patentgrep.com/patent/US8771413B2

## CPC

- C08L 95/00: Compositions of bituminous materials, e.g. asphalt, tar, pitch
- C08L 95/005: {Aqueous compositions, e.g. emulsions}
- C09D 195/00: Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
- Y10T 428/249921: Web or sheet containing structurally defined element or component
- Y10T 428/249924: Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
- Y10T 442/20: Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06)
- C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

The present invention is related to asphalt and asphalt-mineral compositions including at least one cationic organosilicon compound selected from a group consisting of: Y3-aSi(R1a)R2N+R3R4R5X−, Y3-aSi(R1a)R2P+R3R4R5X−, Y3-aSi(R1a)R2ZX−; or mixtures thereof, wherein in each formula Y is independently selected from a group consisting of OR, O(CH2CH2O)nH, (CH3OCH2CH2O), and (CH3CH2OCH2CH2O); a has a value selected from 0, 1 or 2; n is a value from 1 to 10; R is C1-C4 alkyl; R1 is either methyl or ethyl; R2 is C1-C4 alkylene group; R3, R4 and R5 are each independently selected from a group consisting of C1-C22 alkyl wherein at least one such group has more than 8 C-atoms, —CH2C6H5, —CH2CH2OH, —CH2OH and —(CH2)yNHC(O)R6 wherein y has a value of from 2 to 10 and R6 is a C1-C12 perfluoroalkyl radical; X is chloride, bromide, fluoride, iodide, acetate or tosylate; and Z is pyridinium ring of formula C5H5N+.

## Claims

### Claim 1

A water-based asphalt composition comprising:
(a) an emulsion comprising asphalt dispersed in water;
(b) from 0.001 to 5% by weight of at least one cationic organosilicon compound on the weight of the asphalt; and
(c) at least one polymeric additive.

### Claim 2 (depends on 1)

The composition as claimed in claim 1, wherein the at least one cationic organosilicon compound is selected from the formula:
Y3-aSi(R1a)R2N+R3R4R5X−,
wherein
Y is independently selected from a group consisting of OR, O(CH2CH2O)nH, (CH3OCH2CH2O), and (CH3CH2OCH2CH2O);
a has a value selected from 0, 1 or 2;
n is a value from 1 to 10;
R is a C1-C4 alkyl;
R1 is either methyl or ethyl;
R2 is a C1-C4 alkylene group;
R3, R4 and R5 are each independently selected from a group consisting of C1-C22 alkyl wherein at least one such group has more than 8 C-atoms, —CH2C6H5, —CH2CH2OH, —CH2OH and —(CH2)yNHC(O)R6 wherein y has a value of from 2 to 10 and R6 is a C1-C12 perfluoroalkyl radical; and
X is chloride, bromide, fluoride, iodide, acetate or tosylate.

### Claim 3 (depends on 2)

The composition as claimed in claim 2, wherein said at least one polymeric additive comprises one of the following: atactic polypropylene (APP), amorphous polyalphaolefin (APAO), thermoplastic polyolefin (TPO), styrene-butadiene-styrene (SBS), styrene-ethylene-butadiene-styrene (SEBS), or synthetic rubber.

### Claim 4 (depends on 2)

The composition as claimed in claim 2, further comprising one or more emulsifiers.

### Claim 5 (depends on 4)

The composition as claimed in claim 4, wherein the one or more emulsifiers comprises from 0.2-2.0% on the weight of the water-based asphalt composition.

### Claim 6 (depends on 4)

The composition as claimed in claim 4, wherein the one or more emulsifiers comprises at least one of the following: octa-decyl amine, tallow amine, sodium lauryl sulphate, alkyl phenol ethoxylates, or octyl phenol condensates of ethylene oxide.

### Claim 7 (depends on 1)

The composition as claimed in claim 1, wherein said at least one polymeric additive comprises at least one of the following: atactic polypropylene (APP), amorphous polyalphaolefin (APAO), thermoplastic polyolefin (TPO), styrene-butadiene-styrene (SBS), styrene-ethylene-butadiene-styrene (SEBS), or synthetic rubber.

### Claim 8 (depends on 1)

The composition as claimed in claim 1, further comprising one or more emulsifiers.

### Claim 9 (depends on 8)

The composition as claimed in claim 8, wherein the one or more emulsifiers comprises from 0.2-2.0% on the weight of the water-based asphalt composition.

### Claim 10 (depends on 8)

The composition as claimed in claim 8, wherein the one or more emulsifiers comprises at least one of the following: octa-decyl amine, tallow amine, sodium lauryl sulphate, alkyl phenol ethoxylates, or octyl phenol condensates of ethylene oxide.

### Claim 11

A water-based asphalt-mineral composition comprising:
(a) an emulsion comprising asphalt dispersed in water;
(b) mineral aggregate;
(c) at least one polymeric additive,
(c) 0.001 to 5% by weight of at least one cationic organosilicon compound on the weight of the asphalt.

### Claim 12 (depends on 11)

The composition as claimed in claim 11, wherein the at least one cationic organosilicon compound is selected from the formula:
Y3-aSi(R1a)R2N+R3R4R5X−,
wherein in each formula
Y is independently selected from a group consisting of OR, O(CH2CH2O)nH, (CH3OCH2CH2O), and (CH3CH2OCH2CH2O);
a has a value selected from 0, 1 or 2;
n is a value from 1 to 10;
R is a C1-C4 alkyl;
R1 is either methyl or ethyl;
R2 is a C1-C4 alkylene group;
R3, R4 and R5 are each independently selected from a group consisting of C1-C22 alkyl wherein at least one such group has more than 8 C-atoms, —CH2C6H5, —CH2CH2OH, —CH2OH and —(CH2)yNHC(O)R6 wherein y has a value of from 2 to 10 and R6 is a C1-C12 perfluoroalkyl radical; and
X is chloride, bromide, fluoride, iodide, acetate or tosylate.

### Claim 13

A water-based asphalt composition comprising:
(a) an emulsion comprising asphalt dispersed in water; and
(b) from 0.001 to 5% by weight of at least one cationic organosilicon compound on the weight of the asphalt; and
(c) from 0.2-2.0% by weight of one or more emulsifiers on the weight of the water-based asphalt composition.

### Claim 14 (depends on 13)

The composition as claimed in claim 13, wherein the one or more emulsifiers comprises at least one of the following: octa-decyl amine, tallow amine, sodium lauryl sulphate, alkyl phenol ethoxylates, or octyl phenol condensates of ethylene oxide.