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: Improved mopping grade asphalt compositions and methods of preparing them. Methods according to the invention include mixing asphalt with a gelling agent such as attapulgite or other clay and with thixotropic agents such as synthetic or organic fillers, and optionally with one or more of ether amine or other surfactants. Thixotropic agents may for example include cellulose fibers, polyolefin fibers, and mineral wool. The asphalt compositions are mixed in a shearing mixer at a temperature high enough to provide substantially uniform dispersion of each of the mixed ingredients in the completed composition. Inventive compositions provide viscosities suitable for application at 200-350 degrees Fahrenheit or lower, excellent adhesion, and superior sag resistance.

Abstract: Disclosed herein are a method for solidifying soil and industrial waste and a solidified material prepared thereby. The solidified material of soil and industrial waste is prepared by adding 2-6 parts by weight of a 3-5-fold dilution of a solidifying agent and 3-15 parts by weight of cement to 100 parts by weight of soil, industrial waste or a mixture of two or more thereof. The solidified material prepared according to this method has excellent density, strength, elasticity and durability, and thus can be used as a substitute for stone material. Also, it can be advantageously used in high-temperature and high-humidity areas, because external impact or pressure is relieved because it is absorbed by asphalt.

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: The present invention has for its object a prefabricated sealing membrane formed by a support, coated on at least one surface, and preferably impregnated throughout, with a modified bitumen base composition, characterized in that the thermoplastic bituminous composition for coating and/or impregnation is a bituminous binder modified by a thermoplastic polyurethane having the following weight proportion: 40 to 90% bitumen, 10 to 50% thermoplastic polyurethane, 0 to 10% aromatic oil, 0 to 50% filler, 0 to 0.5% catalyst.

Abstract: The invention concerns method for enhancing the physico-chemical properties of bitumen compositions and novel bitumen compositions with enhanced properties and their uses by mixing a functionalized amorphous silica made by combining amorphous silica with a coupling agent.

Abstract: Additives and methods for reducing or eliminating odor in oil based media. The additives comprise an essential oil, an essential oil component, or mixtures thereof.

Abstract: A powder mixture for improving heat retention in cementitious or similar roadway compositions or a topcoat therefor. This powder mixture is a zinc and sulphur powder mixture. The mixture is added either directly into the roadway composition or is applied as a component of a water-based latex topcoat. The two powders improve the heat retention capability of the roadway composition.

Abstract: A method of selecting a binder for a chipsealing process is provided. This method includes measuring the Adhesion Index of at least one binder and selecting a binder with a desirable Adhesion Index for the chipsealing process. The selected binder should have an Adhesion Index no greater than about 3.75 when calculated according to the most preferred method of the present invention. Preferably, the selected binder is applied to a surface and then aggregate is applied within the time parameters defined by the Adhesion Index of the binder to form a chipsealed surface. Preferably, substantially all of the aggregate bonds to the binder without the need for compacting the paved surface.

Abstract: A process of producing an asphalt concrete with enhanced performance is provided by utilizing a primer. 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: The invention provides an additive for heated asphalt that can further improve a peeling prevention effect between asphalt and aggregates. The invention relates to an additive which is added to heated asphalt containing a particular gallic acid ester with or combination of gallic acid and an alcohol.

Abstract: A process for producing building materials, such as asphalt, cement, concrete, mortar, or plaster board from liquid paint sludge containing water and paint solids produced from overspray in commercial paint booth operations. The preferred embodiment comprises adding the liquid paint sludge as the hydrating agent directly to the building material mix.

Abstract: The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” more specifically, drilling waste and aggregate and a novel road base material. Hydration and mixing of the waste materials along with a binder, will achieve an irreversible pozzolanic chemical reaction necessary for stabilization into a road base. An asphalt emulsifier may be included in the binder to manufacture asphalt stabilized road base. The entire method is a cold batch process.

Abstract: The subject of the present invention is a process for preparing a bituminous product, characterized in that a compound based on a phosphoric or polyphosphoric acid supported on a mineral oxide of high porosity is used. The subject of the invention is also the bituminous product that can be obtained by the above process, and its uses.

Abstract: Additives and methods for reducing or eliminating odor in oil based media. The additives comprise an essential oil, an essential oil component, or mixtures thereof.

Abstract: A wood treatment composition for the preservation of wood comprises a mixture of creosote and a polymer which is miscible with the creosote at about 200° F. and does not substantially phase-separate when the wood treatment composition is under ambient conditions. The polymer may include, but is not limited to, ethylene vinyl acetate copolymers, ethylene methyl acrylate copolymers, ethylene ethyl acrylate copolymers, ethylene butyl acrylate copolymers, ethylene acrylic acid copolymers, ethylene methacrylic acid copolymers, ethylene methyl methacrylic acid copolymers, ethylene styrene interpolymers, styrene acrylic acid copolymers, styrene methacrylic acid copolymers, styrene methyl acrylate copolymers, styrene butadiene styrene block copolymers, styrene ethylene butylene styrene block copolymers, or a blend thereof. Preferably, the creosote is present in an amount of at least 50 percent by weight of the composition. Such compositions can be used to treat wood surfaces to prolong the service life of the wood.

Abstract: Sulfur, useable in as an additive to asphalt in the preparation of asphalt binders can be plasticized by addition of carbon and further treated with amyl acetate. This plasticized sulfur can be formed into solid particles and then added to asphalt as either a minority or majority component to create desired paving binder compositions. The solid plasticized sulfur has non-stick non-flow properties within a wide range of ambient temperatures, and it can be stored solid for subsequent use in paving applications.

Abstract: The invention describes a process for preparing a warm mix asphalt composition by mixing an aggregate grain material with a soft binder, and adding a hard binder to the mixed aggregate grain material. The hard binder is foamed in a foaming process before it is introduced to the mixed grained aggregate material. A system for preparing the warm mix asphalt composition comprising a drying drum for heating and drying the aggregate component, a mixing mill for mixing the asphalt components and a mix storage silo, where the system also includes foam production facilities for foaming the hard binder before introduction to the mixing mill, is also disclosed.

Abstract: The invention describes a process for preparing a warm mix asphalt composition by mixing an aggregate grain material with a soft binder, and adding a hard binder to the mixed aggregate grain material. The hard binder is foamed in a foaming process before it is introduced to the mixed grained aggregate material. A system for preparing the warm mix asphalt composition comprising a drying drum for heating and drying the aggregate component, a mixing mill for mixing the asphalt components and a mix storage silo, where the system also includes foam production facilities for foaming the hard binder before introduction to the mixing mill, is also disclosed.

Abstract: The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” more specifically, drilling waste and aggregate and a novel road base material. Hydration and mixing of the waste materials along with a binder, will achieve an irreversible pozzolanic chemical reaction necessary for stabilization into a road base. An asphalt emulsifier may be included in the binder to manufacture asphalt stabilized road base. The entire method is a cold batch process.

Abstract: The subject of the present invention is a process for preparing a bituminous product, characterized in that a compound based on a phosphoric or polyphosphoric acid supported on a mineral oxide of high porosity is used. The subject of the invention is also the bituminous product that can be obtained by the above process, and its uses.

Abstract: A slurry mixture of sulfur in a liquid carrier comprising an ester derived from vegetable oils or animals fats such as biodiesel is disclosed. Also disclosed is a method of preparing a mixture of asphalt, polymer and sulfur comprising blending together, at asphalt blending conditions, the asphalt and a slurry of sulfur particles in a biodiesel liquid carrier comprising an ester derived from vegetable oils or animal fats.

Abstract: A method for producing a thermoplastic filler for eliminating surface damage to concrete or asphalt surface is disclosed which includes mixing stone chips, sand, a powdered material and a bituminous binding agent to a homogenous mixture which is in constant motion at a temperature of between about 180° C.-2400° C., with a coolant being added subsequently to the mixture in a rapid manner thereby converting the mixture into a non-cohesive granulate of small pellets due to the high surface tension of the various constituents, and wherein the granulate can be heated to convert it to a free-flowing or spreadable filler having strong adhesive properties.

Abstract: 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.

Abstract: The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” and aggregate waste and a novel road base material. Hydration and mixing of the waste materials along with a binder, will achieve an irreversible pozzolanic chemical reaction necessary for stabilization into a road base. An asphalt emulsifier may be included in the binder to manufacture asphalt stabilized road base. The entire method is a cold batch process.

Abstract: An adhesive composition which requires no applied heat to effect curing and which produces a strong bond between a polymeric capping membrane suitably employed in roofing or siding and a roofing or siding base or substrate which composition essentially comprises a homogeneous 60 to 75% solids mixture of (a) between about 0.5 and about 15 wt. % of a thermosetting styrene/isoprene/styrene block polymer containing up to 90% styrene; (b) between about 13 and about 30 wt. % aromatic hydrocarbon solvent containing from about 5 to about 20 wt. % aliphatic hydrocarbon; (c) between about 20 and about 70 wt. % non-blown asphalt optionally containing a minor amount of blown asphalt; (d) between about 1 and about 10 wt. % metal silicate and (e) between about 0.1 and about 5 wt. % of a C6 to C16 alkoxyalkyl amine substituted ester of a C2 to C12 carboxylic acid as a surfactant. The invention also relates to the method of preparing and using the above adhesive composition.

Abstract: Solid-state composition having a flexural strength of at least 0.5 N/mm2, which composition comprises from solid particles and a hydrocarbonaceous binder containing (i) from 15 to 95% by weight, based on total binder, of asphaltenes, which asphaltenes contain at least 60% aromatic carbon, and (ii) from 5 to 85% by weight, based on total binder, of further hydrocarbons, with the proviso that the solid particles are not solely carbon particles; process for preparing such composition, use of such composition in construction, construction element containing such composition and construction containing such construction elements.

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.

Abstract: The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” and aggregate waste and a novel road base material. Hydration and mixing of the waste materials along with a binder, will achieve an irreversible pozzolanic chemical reaction necessary for stabilization into a road base. An asphalt emulsifier may be included in the binder to manufacture asphalt stabilized road base. The entire method is a cold batch process.

Abstract: The subject of the present invention is a process for preparing a bituminous product, characterized in that a compound based on a phosphoric or polyphosphoric acid supported on a mineral oxide of high porosity is used. The subject of the invention is also the bituminous product that can be obtained by the above process, and its uses.

Abstract: The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” and aggregate waste and a novel road base material. Hydration and mixing of the waste materials along with a binder, will achieve an irreversible pozzolanic chemical reaction necessary for stabilization into a road base. An asphalt emulsifier may be included in the binder to manufacture asphalt stabilized road base. The entire method is a cold batch process.

Abstract: The present disclosure relates to surface covering building materials for roofs, sidewalls and other exterior surfaces exposed tb the weather such as, but not limited to, asphaltic and non-asphaltic roofing materials, wherein said surface covering building materials exhibit long-term resistance to microbial growth-induced staining. The surface covering building materials include a component having antimicrobial potential which consists essentially of (a) a copper component or a tin component and (b) a barium metaborate monohydrate component.

Abstract: Method of processing Trinidad Lake Asphalt (TLA), including the steps of removing Trinidad Lake Asphalt from the earth and adding thereto at least one stabilizing material of a type which increases the melting point of the TLA to produce a stabilized product. The stabilizing material is preferably clay, carbonaceous material, silica and/or polymer. The stabilized product is then pulverized or otherwise broken down into discrete elements, such as pellets or powder. The discrete elements are then packaged into, for example, polyethylene bags and stored or transported for later use. The stabilizer prevents the discrete elements from coalescing during storage or transport. The bags of discrete TLA elements may be used to improve road building mixes by throwing the entire bag, including the bag itself, if desired, into a mixer with the other road building materials. A method is also disclosed for increasing the surface tension of the TLA in order to make the TLA more user friendly.

Abstract: Solid, low-cost paving binder prepared by admixing sulfur, paving grade asphalt (AC) asphalt, and a siliceous filler such as fly ash and silica material, and solidifying the product into preferably flaked, pellet or pastille forms. Carbon black is another possible ingredient of the paving binder. The solid paving binder has non-sick non-flow properties within a wide range of ambient temperatures, and it can be stored solid for subsequent use in paving applications. Properties such as the color, radiation-resistance, and odor of the paving binder can be controlled in the manufacturing process.

Abstract: 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.

Abstract: The present invention provides a process for producing a mixture for asphalt pavement, wherein aggregates, filler and asphalt are mixed by means of a mixer, the aggregates being fed to the mixer fundamentally without being preheated, the asphalt being an aqueous asphalt dispersion comprising asphalt and poval, and an apparatus for producing said mixture and a method of paving using said mixture to thereby reduce equipment cost, restrain the generation of carbon dioxide to a environmental friendliness, cut down energy costs and make recycled aggregates reusable.

Abstract: Sulfur, useable in as an additive to asphalt in the preparation of asphalt binders can be plasticized by addition of carbon and further treated with amyl acetate. This plasticized sulfur can be formed into solid particles and then added to asphalt as either a minority or majority component to create desired paving binder compositions. The solid plasticized sulfur has non-sick non-flow properties within a wide range of ambient temperatures, and it can be stored solid for subsequent use in paving applications.

Abstract: The present invention provides a bituminous composition which comprises a bitumen component, less than 15% by weight of a block copolymer composition, based on total weight of block copolymer composition and bitumen component, and more than 40% by weight of a filler, based on total weight of block copolymer, bitumen component and filler, which block copolymer composition comprises at least one block of a conjugated diene and at least two blocks of a monovinylaromatic hydrocarbon, wherein the block copolymer composition has a vinyl content of at least 25% by weight based on the total diene content and optionally a diblock content of 25 wt % or less, and any diblock copolymer present has an apparent molecular weight which is in the range of from 60,000 to 170,000. The bituminous composition can be used in sound or vibration damping applications and/or in a backing layer for comprising a floor covering.

Abstract: Composition for impregnating porous materials, in which the composition contains at lease one component having preservative properties or which release a component having preservative properties on heating, the composition comprising an emulsion of water and oil containing a primary surfactant and an amphoteric additive, the pH of the emulsion being equal or approximately equal to the iso-electric point of the amphoteric additive. The compositions of the invention are particularly useful in the preservation of timber.

Abstract: A compatibilizer and process for use in making crumb rubber modified asphalt. The compatibilizer causes the crumb rubber to completely interact with the asphalt, thereby improving the rheological properties of the asphalt and reducing the tendency of pavement made with the asphalt to ravel. The compatibilizer has as its reactive component one or more glycidyl groups; its polymeric backbone can be ethylenic, styrenic, or acrylic or ethylene vinyl acetate (EVA).

Abstract: A fire resistant composition comprises a quantity of cellulosic debris formed to be spread as a ground cover, and an asphalt-containing material mixed with the cellulosic debris. The asphalt-containing material comprises at least 35 wt % of the composition. Preferably, the asphalt-containing material is formed from asphalt roofing shingles. The cellulosic debris may be wood waste or other suitable materials formed into chips or other particles suitable for spreading as a ground cover. A method for forming a fire resistant composition comprised of cellulosic debris and an asphalt-containing material is also disclosed.

Abstract: The present invention is a fly ash filler or filler blend having a particle size distribution with at least three modes that when combined with asphalt produces asphalt composites such as roofing shingles with improved mechanical properties at a lower cost than asphalt shingles produced using conventional calcium carbonate fillers. The present invention also includes a method for producing an asphalt composite, comprising the steps of combining asphalt with a fly ash filler or a filler blend having a particle size distribution with at least three modes and producing an asphalt composite with the resulting filled asphalt. The present invention further includes a method of determining what fly ashes can be used as fillers for asphalt composites such as roofing shingles.

Abstract: A method for manufacturing modified asphalt is characterized by adding a dispersion agent such as furfural or vegetable oil to a modifier material and then mixing the modifier material with asphalt. The dispersion agent facilitates dispersion of the modifier through the asphalt to form a homogeneous mixture. A first activator is added to the mixture to produce a devulcanized and stabilized asphalt material having improved rheological, separation and solubility characteristics. A micro activator is also added to the mixture to improve the ductility of the modified asphalt. The modifier material comprises granular crumb rubber or polymer.

Abstract: The present invention relates to stone mastic asphalt compounds which are produced using a new technique and process. The process utilizes a specific aggregate gradation and matrix for high stability. Specially formulated fiber mastic asphalt is used to hold the aggregate in place while providing extended durability. This formulation is able to handle heavy loading from commercial vehicles and thus minimize pavement surface distresses. The use of the present invention is expected to reduce the cost of materials by about 15 to 20 percent.

Abstract: The invention is in a composition which is useful to dampen noise and vibrations which in composition can be applied to and adhered to a substrate. The composition comprises an emulsion or dispersion of asphalt in water and fillers. Preferably the fillers are alkaline earth metal or alkaline metal carbonates, or sulfates. In another embodiment, the invention is a process for applying a damping composition to a substrate which comprises contacting a composition of an emulsion of asphalt in water and a filler with a substrate. Preferably the asphalt emulsion on the surface of the substrate is exposed to a source of heat so as to dry the composition on the substrate. In a preferred embodiment the substrate is a surface in an automobile such as the floor-board, trunk well, wheel well, rocker panel or underbody.

Abstract: Fully oxidized cutback asphalts suitable for application in roofing, waterproofing, and sealing applications in all weather conditions, including as mastics and other sealants. Compositions according to the invention comprise unprecedented proportions of solids and asphalts yet remain workable to temperatures as low as 20° F. or below. In addition to fully-oxidized roofing-grade asphalts, preferred compositions according to the invention also comprise hydrophobic agents selected from the group comprising fatty acids and amine compounds and may be applied in rain or other wet conditions, and include polybutene or fatty acid peptizers to control the glass transition temperature of the completed mastic and thereby permit application of the composition at extremely low temperatures. Preferred embodiments optionally also comprise fillers such as cellulose fibers, diatomaceous earth, limestone, and asbestos for various advantageous purposes.

Abstract: A filler composition comprising a filler material and a hydrocarbonaceous material having a volatility of less than or equal to 5% at 200° and a time of 2 hours. The hydrocarboneous material may comprise a bituminous material comprising bitumen, oxibitumen, or mixtures thereof; petroleum/oil cracker residue bottoms, for example ethylene cracker residues (ECR); carbon black feedstock fuels comprising less than or equal to 5%, by weight, sulfur and having a molar hydrogen to carbon ratio between 0.90:1 and 1.10:1; linear or cyclic condensation products comprising an aromatic alcohol, for example, phenol, catechol, resorcinol, naphthol, and an aldehyde, for example formaldehyde, preferably where the aromatic alcohol is present in a molar excess; or mixtures thereof.

Abstract: The invention relates to pavements for thoroughfares and related safety and/or marking elements having enhanced reflective properties, comprising 10 to 80% by weight of glass debris which contains at least 10% by weight of essentially reflective glass debris less than 20 mm in size. It also relates to a composition for such thoroughfare pavements or related elements. The invention applies more particularly to the construction of thoroughfares such as roads, cycle tracks, walkways, etc. or related elements such as concrete crash barriers, curbs of pedestrian pavements, bollards, etc.

Abstract: An additive for, a method of adding thereof to uncured mixes for and resulting cured cement-type concreations such as cured embodiments of concrete, marcadam, and roof-top shingles each exhibiting improved heat and freeze-thaw durability resulting from reduced efflorescence and stability against sun ultraviolet light exposure.