Class / Patent application number | Description | Number of patent applications / Date published |
524060000 | With water additive DNRM | 18 |
20090054562 | Modified Asphalt Binder Material Using Crumb Rubber And Methods Of Manufacturing A Modified Asphalt Binder - In a first aspect, bituminous asphalt binder materials which are modified by the addition of crumb rubber or ground tire rubber are described. In a second aspect, the present invention is directed to methods of producing a modified asphalt binder containing crumb rubber or ground tire rubber. The modified asphalt binders comprise neat asphalt, crumb rubber, one or more synthetic polymers, and one or more acids. The crumb rubber may be obtained from recycled truck and/or automobile tires. | 02-26-2009 |
20100179254 | POLYURETHANE DISPERSIONS IN AN AQUEOUS ASPHALT EMULSION - The invention relates to liquid compositions that include an aqueous asphalt mixture and polyurethane dispersion. The polyurethane dispersion includes a polyurethane that is based on an aliphatic polyol backbone based on polytetramethyl ethlene glycol and/or polycaprolactone. The aqueous asphalt mixture in the liquid composition generally constitutes a majority volume percent of the liquid composition. The polyurethane dispersion generally constitutes at least about 0.1 volume percent of said liquid composition. | 07-15-2010 |
20100222464 | EMULSION OF A POLYMER MODIFIED ASPHALT - A method for formulating an emulsified polymer modified asphalt, and the emulsion thus created. The method includes mixing at least one polymer and a first binder in a high shear device to produce a polymer-binder composite; mixing the polymer-binder composite with a second binder to form a polymer modified asphalt; and emulsifying the polymer modified asphalt by combining effective amounts of an emulsifying agent and of water with the polymer modified asphalt. | 09-02-2010 |
20110021672 | Bituminous Composition - 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. | 01-27-2011 |
20110218274 | Bituminous Composition - 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) | 09-08-2011 |
20120129983 | METHOD AND COMPOSITION FOR ROAD CONSTRUCTION AND SURFACING - Methods and compositions for improving the strength and longevity of secondary roadways through environmentally sound practices are disclosed herein. A composition for road sealing includes an aqueous emulsion of acrylic and vinyl acetate polymer, water, and a resin-modified emulsion, wherein the resin-modified emulsion includes a mixture of pitch and rosin, an emulsifying agent, and water. | 05-24-2012 |
20120129984 | METHOD AND COMPOSITION FOR ROAD CONSTRUCTION AND SURFACING - Methods and compositions for improving the strength and longevity of secondary roadways through environmentally sound practices are disclosed herein. A composition for road sealing includes an aqueous emulsion of acrylic and vinyl acetate polymer, water, and a resin-modified emulsion, wherein the resin-modified emulsion includes a mixture of pitch and rosin, an emulsifying agent, and water. | 05-24-2012 |
20120184650 | EMULSION OF A POLYMER MODIFIED ASPHALT - A method for formulating an emulsified polymer modified asphalt, and the emulsion thus created. The method includes mixing at least one polymer and a first binder in a high shear device to produce a polymer-binder composite, where the polymer is at least 70% butadiene; mixing the polymer-binder composite with a second binder to form a polymer modified asphalt; and emulsifying the polymer modified asphalt by combining effective amounts of an emulsifying agent and of water with the polymer modified asphalt. The polymer-binder composite may be produced at lower than room temperature or may include metal fatty acids, such that the resultant polymer-binder composite may be stored and transported at room temperature. | 07-19-2012 |
20120322922 | METHOD AND COMPOSITION FOR ENHANCING THE PERFORMANCE OF AN EMULSION-BASED SURFACE TREATMENT - The invention is a method of treating, restoring or sealing a surface comprising applying an emulsion comprising a latex polymer, a cationic emulsifier, and optionally a recycling agent to the surface to wet the surface and depositing a surface treatment layer on the surface, wherein the depositing step occurs while the surface is wetted. The invention also includes a surface pretreatment composition comprising water, at least one acrylic latex polymer, an aromatic recycling agent, and at least one cationic emulsifier. Furthermore, the invention includes the surface resulting from the application of the emulsion used in the invention and concentrated emulsions for use with the surface treatment composition. | 12-20-2012 |
20130131228 | POLYCHLOROPRENE LATEX, RUBBER-ASPHALT COMPOSITION AND UTILIZATION METHOD THEREOF, SHEET, AND WATERPROOF COATING FILM - Provided are a polychloroprene latex giving a rubber-asphalt composition superior in low-temperature stability and film-forming property on the material to be coated, a rubber-asphalt composition and a utilization method thereof, a sheet, and a waterproof coating film. The rubber-asphalt composition includes a major agent containing 10 to 40 mass % of the anionic polychloroprene latex comprising potassium ions in an amount of 0.7 to 1.5 parts by mass and sodium ions in an amount of controlled to be 0.2 part by mass or less with respect to 100 parts by mass of the solid matter and 60 to 90 mass % of an anionic asphalt emulsion; and a coagulating agent of an aqueous solution containing a polyvalent metal salt as the principal component. | 05-23-2013 |
20130190431 | Method for Dispersing and Aggregating Components of Mineral Slurries and Low Molecular Weight Multivalent Polymers for Mineral Aggregation - The disclosure relates generally to the use of low molecular weight polymers to aggregate mineral components in aqueous mineral slurries to release and separate individual components of the slurry, which may then be recovered from the slurry. | 07-25-2013 |
20130289172 | NON-CARBOXYLATED STYRENE-BUTADIENE COPOLYMERS, PREPARATION METHOD AND USE THEREOF - A non-carboxylated styrene-butadiene copolymer, preparation method and use thereof are provided. The non-carboxylated styrene-butadiene copolymer is prepared by hot polymerization in the absence of acid monomers and is used in asphalt-based systems such as asphalt emulsions. | 10-31-2013 |
20130289173 | STYRENE-BASED COPOLYMERS HAVING ACID MONOMER UNITS AND DISPERSIONS THEREOF - Styrene-based copolymers having acid monomer units, dispersions, preparation method and use thereof are provided. The styrene-based copolymer is prepared by polymerizing styrene, one or more acid monomers, and optionally butadiene at a temperature of 40° C. or greater and then is vulcanized. The obtained styrene-based copolymer is used in asphalt-based systems. | 10-31-2013 |
20160130473 | WATERPROOFING COMPOSITIONS AND METHODS - A waterproofing composition may include coal tar, an acrylonitrile butadiene copolymer, and ground roofing shingles. A waterproofing composition may further include a solvent or water. A water-based waterproofing composition may include a clay (e.g. a ball clay). A method of preparing a waterproofing composition may include mixing a coal tar, an acrylonitrile-butadiene copolymer, and ground roofing shingles to form a mixture; and heating the mixture to a temperature of at least about 160° C. to form a waterproofing composition. | 05-12-2016 |
524061000 | With nitrogen-containing additive DNRM | 4 |
20120095138 | System and Method for Pre-Treatment of Rubber-Modified Asphalt Cement, and Emulsions Thereof - This invention encompasses asphalt cement emulsions, as well as methods for preparing a pre-treated rubber-modified asphalt cement emulsions and methods for coating industrial surfaces using asphalt cement emulsions. | 04-19-2012 |
20130096240 | System and Method for Pre-Treatment of Rubber-Modified Asphalt Cement, and Emulsions Thereof - This invention encompasses asphalt cement emulsions, as well as methods for preparing a pre-treated rubber-modified asphalt cement emulsions and methods for coating industrial surfaces using asphalt cement emulsions. | 04-18-2013 |
20140329938 | ASPHALT-RUBBER COMPOSITIONS AND SYSTEMS AND METHODS FOR PREPARING SAME - One embodiment provides a process for preparing an asphalt-coated crumb rubber composition that meets the specification set forth in ASTM D80-02 or deviations thereof which may be established by the specifying agency from time to time. The process generally comprises obtaining asphalt of different penetration grades, combining the asphalt of each grade with preselected chemicals to form separate premixed components, blending the premixed components together under predetermined conditions to form, upon curing, an asphalt-coated crumb rubber composition that meets certain physical requirements for asphalt-rubber binder (ARB), such as those set forth in ASTM D8-02. Advantageously, the resulting asphalt-coated crumb rubber composition not only meets the physical requirements of ARB used in road paving but also has improved dispersion of the rubber, such as dispersion of the rubber in an oil-in-water emulsion of an asphalt. | 11-06-2014 |
20150080504 | ASPHALT-RUBBER COMPOSITIONS AND SYSTEMS AND METHODS FOR PREPARING SAME - One embodiment provides a process for preparing an asphalt-coated crumb rubber composition that meets the specification set forth in ASTM D80-02 or deviations thereof which may be established by the specifying agency from time to time. The process generally comprises obtaining asphalt of different penetration grades, combining the asphalt of each grade with preselected chemicals to form separate premixed components, blending the premixed components together under predetermined conditions to form, upon curing, an asphalt-coated crumb rubber composition that meets certain physical requirements for asphalt-rubber binder (ARB), such as those set forth in ASTM D8-02. Advantageously, the resulting asphalt-coated crumb rubber composition not only meets the physical requirements of ARB used in road paving but also has improved dispersion of the rubber, such as dispersion of the rubber in an oil-in-water emulsion of an asphalt. | 03-19-2015 |