The present invention relates to an asphalt product. The asphalt product includes an asphalt binder and a bio-oil blend comprising a mixture of a non-hydrogenated bio-oil and a partially hydrogenated bio-oil, where the bio-oil blend is mixed with the asphalt binder to form an asphalt product having a shear stiffness of 0.20 kPa to 11,000 kPa at a temperature ranging from 25° C. to 85° C. and/or a viscosity of 0.15 Pa.Math.s to 1.50 Pa.Math.s at a temperature ranging from 120° C. to 165° C. The present invention further relates to methods of producing an asphalt product and methods of applying an asphalt product to a surface.

A coating system and related methods for an airfield surface or a roadway is described. The coating system may include a stable cationic emulsion for application to the airfield surface or the roadway. The stable cationic emulsion may include a) an asphalt blend comprising gilsonite, wherein the gilsonite is modified to possess a positive charge, b) one or more polymers, and c) one or more surfactants not including a cationic surfactant. The coating system may also include a fine aggregate material for application to the stable cationic emulsion applied to the airfield surface or the roadway.

Crumb rubber obtained from recycled tires is subjected to an interlinked substitution process. The process utilizes a reactive component that interferes with sulfur bonds. The resulting treated rubber exhibits properties similar to those of the virgin composite rubber structure prior to being granulated, and is suitable for use in fabricating new tires, engineered rubber articles, and asphalt rubber for use in waterproofing and paving applications.

A sealant material composition for sealing asphalt includes a non-fiber asphalt emulsion between about 20.0 wt. % and about 60.0 wt. %, carbon black between about 0.5 wt. % and about 5.0 wt. %, an aggregate between about 1.0 wt. % and about 10.0 wt. %, wherein the aggregate is amorphous aluminum silicate, and a hydrophobic additive between about 0.1 wt. % and about 1.0 wt. %.

A method of forming an asphalt mixture can include mixing a bio-source material and a bitumen source to form a bitumen mixture. The bitumen mixture can be mixed with a catalyst to form the asphalt mixture. Particles can be added to the asphalt mixture to form a roofing-grade asphalt mixture. In an embodiment, the bitumen source material can have a softening point of at least approximately 93 C. and a penetration distance no greater than approximately 25 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 204 C., or any combination thereof. The asphalt mixture can be applied to a base material to form a roofing product. The asphalt mixture can be applied as a pavement product.

Asphalt composition for road pavement, excellent in drying strength, strength after immersion in water, and strength after immersion in petroleum, method for producing same, and road paving method. Composition comprises asphalt, polyester, and aggregate. Polyester has alcohol component-derived constituent unit containing 65 mol % bisphenol A/alkylene oxide adduct and carboxylic acid component-derived constituent unit containing 50 mol % terephthalic or isophthalic acid. Composition has softening point of 95130 C., hydroxyl group value of 20-50 mgKOH/g, and ratio of polyester resin of 5-50 parts by mass based on 100 parts by mass of the asphalt. Production method comprising mixing asphalt, the polyester, and aggregate at 130-200 C. for 30 seconds. Polyester resin is mixed in ratio of 5-50 parts by mass based on 100 parts by mass of asphalt. Road paving method comprises laying asphalt composition obtained by production method as set forth, thereby forming an asphalt paving material layer.

A composition, device, and method for maintenance of railroad wood ties is presented herein. The device comprises a system for simultaneously filling rail spike holes in wood cross ties including a controlled system able to move in the x, y, and z planes. The system includes a product distribution box with multiple valves and dispensing lines for applying an environmentally friendly wood filler composition into multiple rail spike holes simultaneously. The wood filler composition is applicable for filling holes or gaps in wood to stabilize wood structures.

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.

Stabilized volatile briquettes and processes and apparatuses for making and using the same are provided. The stabilized volatile briquette includes a volatile material and a thermoplastic binder material such that the thermoplastic binder material binds the volatile material together to define a briquette that is stable. The process includes mixing a volatile waste material and a thermoplastic binder material to form a briquette mixture, shearing the briquette mixture, extruding the briquette mixture to form a thermoplastic briquette extrusion, and hardening the thermoplastic briquette extrusion to form a stabilized volatile briquette. The apparatus includes an extruder, a heating portion operably connected to the extruder, and a heated die operably connected to the heating portion such that the extruder, the heating portion, and the heated die are configured to gradually heat a thermoplastic binder material such that the thermoplastic binder material binds a provided volatile material together.

A coating system and related methods for an airfield surface or a roadway is described. The coating system may include a stable cationic emulsion for application to the airfield surface or the roadway. The stable cationic emulsion may include a) an asphalt blend comprising gilsonite, wherein the gilsonite is modified to possess a positive charge, b) one or more polymers, and c) one or more surfactants not including a cationic surfactant. The coating system may also include a fine aggregate material for application to the stable cationic emulsion applied to the airfield surface or the roadway.