Abstract: The use of fine agglomerate mixtures and coarse agglomerate mixtures as an agglomerates filler materials in asphalt compositions. The fine agglomerate mixtures and coarse agglomerate mixtures are prepared from pyrolyzed polymeric and/or carbonaceous materials that have been refined into mixtures having consistent particle size and binding affinity with asphalt binders. An asphalt cement composition in accordance with one aspect of the present invention has an asphalt binder combined with an agglomerates filler formed from pyrolized carbonaceous material. The agglomerates filler material is generally about 1% to about 20% of the weight of the mixture of the agglomerates filler and the asphalt binder. The asphalt composition also includes an aggregate material that is mixed with the asphalt binder and the agglomerates filler. The end result is a lower cost asphalt composition that exhibits greater long range durability.

Abstract: Self-compressing asphalt mixtures, in particular according to the mastic asphalt principle, and in particular mastic asphalt mixtures for roadway topcoats, asphalt intermediate layers, asphalt binder layers and/or asphalt sealing layers used in road construction. Roadway topcoats, asphalt intermediate layers, asphalt binder layers, and/or asphalt sealing layers containing such asphalt mixtures, methods for forming the same, and methods for transporting the asphalt mixtures, such as to an installation site, are also disclosed.

Abstract: The invention relates to mixtures of bituminous products with granulates in the form of coated materials that can be used in the field of sealing, building and maintenance of road coatings, sidewalks and aviation strips, and to road coatings, sidewalks, cycling corridors, parking areas and aviation strips.

Abstract: The use in a bituminous composition of an organogelator molecule of the following general formula (I) is disclosed below: where: A is a hydrocarbon group which can be straight or branched, saturated or unstaurated, acyclic, cyclic or polycyclic, having 3 to 92 carbon atoms, resulting from the polymerization of lateral chains of at least one unsaturated fatty acid, X is an NH group or an oxygen atom O, R1 is a group chosen from: a straight or branched hydrocarbon group with 2 to 40 carbon atoms, optionally including one or more heteroatoms and optionally including one or more unsaturations, or an aromatic group, substituted or otherwise, R2 is a group selected among: a hydrogen atom, a straight or branched hydrocarbon group with 1 to 40 carbon atoms, including one or more heteroatoms and optionally including one or more unsaturations, or an aromatic group, substituted or otherwise; m and n are, separately from one another, an integer ranging from 1 to 4, p is an integer ranging from 0 to 4, q is an inte

Abstract: Asphalt binder modifiers derived from the thermo-catalytic conversion of biomass are provided. The asphalt binder modifiers are useful as anti-stripping agents and in increasing tensile strength ratios for asphalt concrete, asphalt-containing roofing materials, and other asphalt applications.

Abstract: A method of forming a roofing-grade asphalt mixture can include mixing a bio-asphalt including a partially oxidized bio-source material, a bitumen source material different from the bio-asphalt, and particles to form the roofing-grade asphalt mixture. In an embodiment, the bitumen source material can have a softening point of at least approximately 102° C. and a penetration distance no greater than approximately 20 dmm. In another embodiment, the roofing-grade asphalt mixture can have a softening point of at least approximately 104° C., a penetration distance no greater than approximately 12 dmm, a viscosity of at least approximately 3000 cps at a temperature of 177° C., or any combination thereof. The roofing-grade asphalt mixture can be applied to a base material to form a roofing product.

Abstract: It has been unexpectedly found that the solvent extracted aromatic cut of heavy vacuum gas oil can be oxidized to produce an adhesive composition that has all the needed attributes of a self seal adhesive for asphalt roofing shingles. This self seal adhesive composition offers numerous benefits and advantages over conventional self seal adhesives for roofing applications. For instance, it does not require any volatile organic solvents and is accordingly environmentally friendly. Additionally, it does not contain any asphalt or polymers and will not phase separate and accordingly offers excellent long term stability.

Abstract: A bituminous cold glue for cold gluing of construction material and comprising at least 35% by weight of bitumen and at least 10% by weight of oil, and further comprising clay and a dispersing agent, said oil being a vegetable oil compound, based on a carbon chain comprising at least one of the C6 to C12 carbon atoms and further comprising between 0.1 and 5% by weight of a solvent.

Abstract: Self-compressing asphalt mixtures, in particular according to the mastic asphalt principle, and in particular mastic asphalt mixtures for roadway topcoats, asphalt intermediate layers, asphalt binder layers and/or asphalt sealing layers used in road construction. Roadway topcoats, asphalt intermediate layers, asphalt binder layers, and/or asphalt sealing layers containing such asphalt mixtures, methods for forming the same, and methods for transporting the asphalt mixtures, such as to an installation site, are also disclosed.

Abstract: A Performance Grade asphalt mix composition is provided which contains i) an asphalt extender containing the residue from the purification process of used/waste lubricating oil; ii) liquid asphalt cement; iii) asphalt bearing waste materials; and iv) aggregates. The invention further relates to a method of preparing the asphalt composition and a paving composition containing same.

Abstract: Embodiments of the invention provide method for preparing mixtures of natural or artificial zeolite with at least one of recycled asphalt shingles and recycled asphalt pavement. The prepared mixtures are also within the scope of the invention. Mixtures prepared as described herein may be useful, for example, for mixture with hot mix asphalt and cold patch asphalt.

Abstract: Bituminous paving mixtures containing lubricating agents or additives may be prepared at hot mix temperatures and cooled, paved and compacted at temperatures 10-55 Celsius degrees lower than the hot mix temperatures. The increased temperature range between the hot mix temperatures and the paving and compacting temperatures is facilitated by the improved compacting properties of the paving mixture when it includes the lubricating agents or additives.

Abstract: A bituminous glue for cold gluing of construction material and comprising an amount of non-polymerized oil, said glue comprises at least 35% by weight of bitumen, said glue further comprising clay and a dispersing agent, said amount of non-polymerized oil forming between 5 and 30% by weight of said glue and being not mixed with polymerized oil.

Abstract: A process for preparing an asphalt mixture from recycled asphalt pavement (RAP), virgin aggregate, filler and first and second binder materials, is disclosed. The process comprises steps of transporting RAP through a first drum; transporting virgin aggregate through a second drum; adding a first binder material to the RAP in the first drum to provide treated RAP; supplying the treated RAP, the virgin aggregate, filler and a second binder material to a mixing zone; and mixing to provide the asphalt mixture.

Abstract: A method for rejuvenating a bitumen containing compositions includes adding to the bitumen containing compositions a distillation residue of cashew nut shell liquid (CNSL). The distillation residue may be obtained by distillation of cashew nut shell liquid up to a temperature of between 250 and 350° C. The bitumen containing composition may be selected from: bitumen, asphalt, roof covering, insulating material, shore covering material, and anti-drum plates.

Abstract: A bituminous composition including, based on total weight of the bituminous composition, (a) hard bitumen in an amount of 0.5% to 7.5% by weight, the hard bitumen being characterized by a penetration number of 100 dmm or less at 25° C. as determined according to the American Association of State Highway and Transportation Officials (AASHTO) Method T49; (b) emulsifier in an amount of 0.0005% to 0.2% by weight, wherein the emulsifier has a Hildebrand solubility parameter of at least 19 (MPa)1/2; (c) water; and (d) aggregate in an amount of 90% to 99% by weight, the aggregate having an aggregate surface that is wetted with the hard bitumen, wherein the bituminous composition is at a temperature ranging from 50° C. to 140° C.

Abstract: This invention relates to a process for producing a hot, cold or lukewarm ready-to-use bituminous mix, characterized in that it includes the following successive steps: (a) preparing a hot, cold or lukewarm master mix or bituminous mix by mixing some or all of the bituminous binder proportioned in liquid form with some or all of the aggregates, and optionally with some or all of the fines and/or some or all of the aggregate mix and/or some or all of the various additives so as to obtain a mixture in which the aggregates and any fines and aggregate mix are coated by the bitumen, (b) storing of the master mix or of the bituminous mix obtained in step (a), (c) mixing the master mix or the bituminous mix stored in step (b) with one or more additional formulation components so as to obtain a hot, cold or lukewarm ready-to-use bituminous mix, in which step (c) is implemented at the mix production site if the additional formulation component is a thinning agent.

Abstract: Disclosed herein are an asphalt concrete mixture, an asphalt binder composition, and methods of preparing the related compositions. The asphalt binder compositions include heavy oil fly ash that contains more than about 90 wt. % carbon. The compositions are capable of being performance graded. The binder can be used to modify the asphalt and also as a filler in asphaltic concrete compositions.

Abstract: Asphalt compositions and methods of forming such are described herein. The asphalt compositions and methods of forming such are generally adapted to enable open air processing while producing asphalt compositions that exhibit properties capable of meeting SUPERPAVE™ specifications.

Abstract: Asphalt compositions and products in which the binder comprises tall oil materials possibly previously subjected to distillation, and/or oxidation, and/or combined with a polymer, the tall oil materials having a softening point in the range of 75 F to 400 F, a Needle Penetration value (0.1 mm) at 25 C of at least 1, a Rotational Viscosity at 275 F in the range of 650 cps to 8,000 cps, and a water solubility of less than 10 percent.

Abstract: The invention relates to a bituminous coating comprising a material of low bulk density ranging between 0.01 and 0.3 t/m3 in sufficient quantity to improve the acoustic performance thereof.

Abstract: The invention provides a sulphur pellet comprising at least one H2S-suppressant, comprising in the range of from 60 to 100 wt % elemental sulphur, based on the total weight of the pellet. The invention further provides a process for the manufacture of sulphur pellets comprising at least one H2S-suppressant, comprising the steps of: (a) mixing elemental sulphur, one or more H2S-suppressants and optionally a filler in a mixing unit to obtain a mixture; (b) shaping and/or palletizing the mixture obtained in step (a) in a palletizing unit to obtain H2S-suppressant-comprising sulphur pellets. The invention further provides a process for the manufacture of a sulphur-comprising asphalt paving mixture comprising the steps of: (i) preheating bitumen at a temperature of between 140 and 180° C.; (ii) preheating aggregate at a temperature of between 140 and 180° C.

Abstract: Cuttings from drilling through or into natural rock and/or soil can be incorporated into useful, high quality load-bearing structures such as vehicle roads and pads for deep drilling rigs. This process recycles a material previously regarded as valueless at best and often as a pollution hazard. The cuttings, optionally mixed with drilling mud and/or soil, are converted to the useful structures by pozzolanic and/or cementitious reactions after being mixed with suitable other materials and/or are bonded into the useful structures by asphaltic materials.

Abstract: This invention relates to bituminous compositions and methods of producing the same. More particularly, the invention relates to the production of bituminous compositions formulated with performance-graded bitumen-containing solvent-free bitumen emulsions which exhibit controllable, temperature-dependent interfacial rheology. When employed in paving applications, these bituminous compositions develop adhesive strength and load-bearing strength properties at rates comparable to traditional hot mix paving compositions and at rates faster than traditional cold mix paving compositions.

Abstract: Bituminous asphalt binder materials which are modified by the addition of crumb rubber or ground tire rubber and a cross-linking agent are described. In addition, methods are provided for producing a modified asphalt binder containing crumb rubber or ground tire rubber and a cross-linking agent. The modified asphalt binders comprise neat asphalt, crumb rubber, one or more acids and a cross-linking agent. Optionally, the modified asphalt binder may include one or more polymer additives. The crumb rubber may be obtained from recycled truck and/or automobile tires. The addition of crumb rubber in asphalt binders can improve the consistency and properties of the asphalt binders at high and low temperatures. In particular, the modified asphalt binders of the present invention exhibit improved elastic behavior, resulting in improved performance of roads or other surfaces paved using the modified asphalt binder.

Abstract: Provided is a method of mixing a modified bitumen composition and feeding one or more polymeric materials to an extruder, together with asphalt fed at more than one location along a length of the extruder. Improved mixing and elimination of asphalt melting in the production of rolled goods and other products is improved.

Abstract: The invention concerns a method for preparing a bitumen base, including the following essential steps: a) introducing a bitumen in a container equipped with mixing means, and bringing the bitumen to a temperature of 120° C. to 300° C.; b) introducing at least one chemical blowing additive into the container, and mixing, said chemical blowing additive being of general formula Ar1-R—Ar2 (I) wherein Ar1 and Ar2 independently of each other represent a benzene ring or a system of condensed aromatic rings of 6 to 20 carbon atoms, substituted by at least one hydroxyl group, and R represents an optionally substituted divalent radical, whereof the main chain comprises 6 to 20 carbon atoms and at least one amide and/or ester group. The invention also concerns a bitumen base obtained by implementing said method, as well as the use of such bitumen bases in road surfacing and industrial applications.

Abstract: A design method for making a bituminous mixture that is used to form a vapor-permeable layer of pavement is provided. This design procedure includes preparing one or more bituminous mixture test specimens, measuring the performance of these specimens, and selecting a desirable bituminous mixture for paving that is vapor-permeable based on the performance of the specimens. Another aspect of the present invention is the selected bituminous mixture, which includes aggregate and a bituminous binder. The aggregate may be selected such that no more than about 5% by mass of the aggregate and preferably no more than about 3.5% by mass of the aggregate is able to pass through a 75 ?m sieve. The selected bituminous mixture may have an Air Permeability Value that is at least about 8 cm2 so as to reduce its propensity for blistering during and after construction. Still further, the selected bituminous mixture may have desirable fatigue resistance and may be substantially water-impermeable.

Abstract: Disclosed is a paving resin composition which comprises a thermoplastic resin in small lumps, containing 30 to 70% by weight of an ethylene-vinyl acetate copolymer having a vinyl acetate content of 20 to 45% by weight and a melting temperature of 40 to 100° C. The paving resin composition of the present invention is melted within a short time, excellent in wettability and adhesion property to aggregates, and capable of providing a paved face excellent in durability free from problems of deformation during summer and cracking during winter. Moreover, the paving resin composition of the present invention can be thrown directly to a mixer without being passed through a measurement apparatus and accordingly, washing work of the measurement apparatus or pipes is made unnecessary and the workability is thus significantly increased.

Abstract: The invention relates to a pigment preparation containing (a) 50-99 percent by weight of at least one pigment, (b) 1 to 50 percent by weight of an additive based on polyalkylene glycols, and (c) 0 to 10 percent by weight of an auxiliary agent from among the group comprising fillers, fire retardants, preservatives, light-stability agents, pigmentary and non-pigmentary dispersing agents, surfactants, antioxidants, foam inhibitors, resins, and antistatic agents, the percentages being in relation to the total weight of the pigment preparation. The additive that is based on polyalkylene glycols corresponds to formula Z?-[-(AO—)n1—B-T-X—Y]m—Z (1), wherein AO represents a C2-C10 alkyleneoxy unit, B represents a C2-C10 alkylene radical, and T represents —NR—, X represents one of the groups (formula), and Y represents a chemical bond or —NR3—.

Abstract: A roofing shingle has low density granules adhered to at least a headlap region on a front surface of the roof shingle.

Abstract: Coatings and methods are provided. An embodiment of the coating includes microcapsules that contain at least one of a corrosion inhibitor, a film-forming compound, and an indicator. The microcapsules are dispersed in a coating vehicle. A shell of each microcapsule breaks down in the presence of an alkaline condition, resulting from corrosion.

Abstract: The invention relates to mixtures of bituminous products with granulates in the form of coated materials that can be used in the field of sealing, building and maintenance of road coatings, sidewalks and aviation strips, and to road coatings, sidewalks, cycling corridors, parking areas and aviation strips.

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+.

Abstract: The present invention is directed to an “warm” asphalt paving composition that contains an modified asphalt binder and aggregate, wherein the asphalt binder is modified, at least in part, by the addition of a hydrated phosphate modifier to the asphalt.

Abstract: Compositions of discrete substances that are capable of being mixed together to form a composite material and methods for making the compositions are disclosed. The composition includes a plurality of pellets of a tacky, deformable material at an ambient temperature dispersed within a flowable fine material. The fine material occupies the interstices between the plurality of pellets in a manner that minimizes pellet to pellet contact.

Abstract: The present invention is directed to an air-blown roofing asphalt modified with polyphosphoric acid and roofing products made with the polyphosphoric acid-modified, air-blown asphalt.

Abstract: A process of producing an asphalt concrete with enhanced performance is provided by utilizing a primer comprising uintahite and an augmenter. The primer is added to a hot aggregate with a surface temperature of at least 250 deg. F. prior to addition of an asphalt-derived base binder. The primer forms a primer interlayer between the hot aggregate and the base binder. As a result, the asphalt concrete has enhanced performance when compared with other asphalt concretes produced without a primer being added.

Abstract: A ball clay powder having a moisture content of less than 5% and at least about 25% of indigenous silica, said powder comprising a blend of at least two natural ball clays, wherein one of the ball clays is naturally silica rich and has at least about 40% indigenous silica.

Abstract: A composition for reducing undesirable odors emitted by hydrocarbonaceous materials is provided. The composition contains at least one aldehyde-containing compound and, optionally, one or more ketone-containing compound and/or a carrier. The composition is free of ester-containing compounds. In at least one exemplary embodiment, the composition contains one or more aldehyde-containing compounds and a liquid carrier. The aldehyde-containing compound(s) has a molecular weight greater than 100 daltons and may be chosen from vanillin or cinnamaldehyde. The ketone-containing compound(s) has a molecular weight greater than 100 daltons, and in exemplary embodiments, from about 120 to about 1,000 daltons. Undesirable odors from hot asphalt are reduced by the composition without adversely affecting the physical and performance properties of the asphalt or decreasing the flash point of the asphalt.

Abstract: Asphaltic compositions that are made from recycled waste building materials may include recycled plastics, provide reduced environmental impact and may be formed to meet state standards for aggregates used in asphaltic cement and other paving and construction standards.

Abstract: The present invention is directed to an “warm” asphalt paving composition that contains an modified asphalt binder and aggregate, wherein the asphalt binder is modified, at least in part, by the addition of a hydrated phosphate modifier to the asphalt.

Abstract: The binder is produced based on natural bitumen, or bitumen from the oil industry, and comprises a first additive which is constituted by a hydrocarbon wax whose melting point is greater than 85° C. This binder further comprises a fatty acid ester wax which is of synthetic, vegetable or fossil vegetable origin and which has a melting point of less than 85° C. Use in the production of sealing coatings for buildings or civil engineering works, coatings for traffic routes or urban amenities.

Abstract: Synthetic asphalt and petroleum asphalt modified synthetic asphalt emulsions which contain recycled tire rubber and processes for making the emulsions at temperatures above ambient or room temperature. These emulsions may contain significant quantities of recycled tire rubber and recycled and reclaimed motor oils and fluxes. In addition, aluminum chloride and ferric chloride may be used in clay-in-water solutions to form emulsifying agents for the synthetic asphalt and modified synthetic asphalt mixtures.

Abstract: Provided is a method of mixing a modified bitumen composition and feeding one or more polymeric materials to an extruder, together with asphalt fed at more than one location along a length of the extruder. Improved mixing and elimination of asphalt melting in the production of rolled goods and other products is improved.

Abstract: Disclosed herein is a composition for solidifying soil and industrial waste. The solidifying composition contains 16-24 wt % of straight asphalt, 0.06-0.10 wt % of an emulsifier for asphalt, 0.8-1.2 wt % of light oil, heavy oil or a mixture thereof, 0.01-0.03 wt % of calcium chloride, 0.8-1.2 wt % of lignin, 0.7-1.3 wt % of an acrylic emulsion-based asphalt modifier, 0.13-0.21 wt % of sodium hydroxide, 0.22-0.34 wt % of oleic acid, and the balance of water. A solidified material formed using this solidifying composition has increased density, strength and elasticity, improved durability and a short curing time. Furthermore, the solidifying composition enables soil and industrial waste to be recycled as a substitute for stone materials, such that it allows material sources to be readily secured in public or construction work fields, leading to a reduction in construction cost, and can also contribute to the preservation of the natural environment.

Abstract: The present invention relates to a black pigment/auxiliary combination having an improved relative colour strength of greater than or equal to 110%, the preparation thereof and the use thereof.

Abstract: The use of a surfactant to improve the resistance of asphalt to degradation by a de-icer and/or an anti-icer, and optionally in addition to improve the resistance of said asphalt to degradation by water. The surfactant may be a fatty acid or a fatty acid derivative, such as at least one polymerised fatty acid selected from dimers and trimers of an unsaturated fatty acid, or one or more amine or substituted amine compounds, such as a reaction product of tall oil fatty acids and polyalkylenepolyamines.

Abstract: The present invention relates to pigment granules and to a process for the preparation thereof and their use.

Abstract: A curable slurry for forming ceramic microstructures on a substrate using a mold. The slurry is a mixture of a ceramic powder, a fugitive binder, and a diluent. The ceramic powder has a low softening temperature in a range of about 400° C. to 600° C. and a coefficient of thermal expansion closely matched to that of the substrate. The fugitive binder is capable of radiation curing, electron beam curing, or thermal curing. The diluent promotes release properties with the mold after curing the binder or quick and complete burn out of the binder during debinding.