Eureka-AI is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Eureka AI

9061 results about "Asphalt" patented technology

Asphalt, also known as bitumen (UK: /ˈbɪtjʊmɪn/, US: /bɪˈtjuːmən, baɪ-/), is a sticky, black, and highly viscous liquid or semi-solid form of petroleum. It may be found in natural deposits or may be a refined product, and is classed as a pitch. Before the 20th century, the term asphaltum was also used. The word is derived from the Ancient Greek ἄσφαλτος ásphaltos.

Waterproof roll capable of carrying out chemical bonding and physical crosslinking synergism with concrete

The invention discloses a wet-laying and pre-laying waterproof roll which is made by the following processes: dipping and coating a modified asphalt compound on a blank body, controlling the thickness and sizing, coating a membrane, rolling, and the like, wherein the modified asphalt compound contains modified asphalt, a plasticizer, an antioxidant, a functional auxiliary agent and a filling gent. A preparation method of the waterproof roll comprises the following steps: putting substrate asphalt in a reaction pot, adding a thickening agent, irregular polyethylene and styrene-polybutadiene-styrene segmented copolymer, evenly mixing, heating and stirring for 1.5-2 hours, then reducing the temperature to about 180 DEG C, adding padding, the plasticizer, the antioxidant and the functional auxiliary agent into the reaction pot and stirring for 0.5-1h, evenly mixing and modifying, then conveying into a colloid mill for repeatedly milling to the material, then dipping and coating the modified asphalt on the blank body, controlling the thickness, sizing, coating the membrane and rolling, and finally preparing the waterproof roll which has excellent performance and can carry out chemical bonding and physical crosslinking synergism with the concrete, namely, a CPS waterproof roll for short.

Roofing materials having engineered coatings

An asphalt-based roofing material includes a coating having a top portion containing a mixture of asphalt and igneous and/or metamorphic rock particles, while the mat portion of the coating contains a mixture of asphalt and a filler which contains less than 10% igneous and/or metamorphic rock particles. In other embodiments, the top portion but not the bottom portion of the coating meets or exceeds a pliability standard, passes a weathering performance test, or has a high solar reflectance. In another embodiment relating to a laminated roofing material, the top portion but not the bottom portion has viscoelastic properties effective to prevent the coating from sticking to an adjacent shingle in a bundle. The invention also relates to a continuous process of applying first and second coatings to a mat for manufacturing a roofing material. In a first coating operation, a first asphalt-based coating is continuously applied to a first surface of the mat so that the first coating saturates the mat and forms a layer on the first surface. In a second coating operation, a second asphalt-based coating is continuously applied to a second surface of the mat so that the second coating forms a layer on the second surface. The second coating has different properties from the first coating.

Preparation method of silicon/carbon multi-component composite negative electrode material

ActiveCN103545493AGood dispersionDispersion is better than that of materials without surface treatmentMaterial nanotechnologyCell electrodesCarbon nanotubeSilicon oxide
The invention provides a preparation method of a silicon/carbon multi-component composite negative electrode material. The preparation method comprises the following steps: (1) preparing a carboxyl carbon nano-tube by using acid and a carbon nano-tube, or preparing an aminated carbon nano-tube by using the carboxyl carbon nano-tube; (2) oxidizing the surface of nanometer silicon so as to generate a layer of silicon oxide, or aminating slightly oxidized nanometer silicon by using ammonia-containing organosilane under the condition of heating reflux; (3) adding the carboxyl carbon nano-tube and the aminated nanometer silicon, or the carboxyl carbon nano-tube and the slightly oxidized nanometer silicon to an organic carbon source-containing solvent, dispersing and carrying out spray drying-pyrolysis; (4) mixing a material obtained in the step (3) with asphalt, and sequentially carrying out low-temperature, constant temperature and high-temperature heat treatments, thus obtaining a secondary silicon-carbon nano-tube/amorphous carbon composite negative electrode material; and (5) carrying out airflow crushing, grading, adding to the organic carbon source-containing solvent, carrying out spray drying-pyrolysis or spray pyrolysis, and carrying out high-temperature treatment, thus obtaining the silicon/carbon multi-component composite negative electrode material. The silicon/carbon multi-component composite negative electrode material prepared by the method has the advantages of large reversible capacity, designable capacity, good cycle performance, high tap density and the like.

Preparation method of anode material for power lithium ion battery

The invention discloses a preparation method of an anode material for a power lithium ion battery. The preparation method comprises the following steps: by adopting petroleum coke ground until the grain size is 1-6mu m, calcined petroleum coke or needle coke as a raw material, adding additives, adding a mixture to a reaction kettle to carry out first high-temperature carbonization coating under the protection of the inert atmosphere, then grinding the mixture with a grinder until the grain size is 5-13mu m, then carrying out superhigh-temperature graphitization at a temperature above 3200 DEG C, adding one or a mixture of petroleum asphalt, coal asphalt and resin to a material obtained after graphitization, and then enabling the mixture to enter a carburization furnace to undergo second coating under the protection of the inert atmosphere to obtain the anode material for the power lithium ion battery, namely a spheroidal artificial graphite material which is formed through bonding after being coated with granules and undergoes two-time coating and three-time high-temperature treatment. The preparation method has the advantages that the discharge rate property of the anode material is improved, the low temperature properties of the anode material are improved, and the latest requirements of the market for the product are further met.

Mobile cyclonic power wash system with water reclamation and rotary union

A cyclonic power wash system uses high pressure, high temperature water for selectively cleaning large, flat, concrete or asphalt surfaces. The sprayed water is reclaimed by vacuuming it through holes in the bottom of a reclamation ring attached to the underside of the mobile cyclone sprayer, filtering the vacuumed water and returning it to a storage tank for re-use by the system. The filtration tank initially filters out large matter in an inlet trough and smaller matter in a plurality of cascading chambers. A rotary union in the sprayer prevents the water, passing from the inlet of the rotary union to the discharge thereof, from leaking through or around a seal formed by pressing together a pair of hard, durable sealing surfaces, for example, silicon carbide, one of which is non-rotatably slidingly received in an upper recess of the union's fixed housing and the other, affixed to a spindle rotatably received and retained in a lower recess of the housing. The sliding fit interface of the non-rotatable seal face in the upper recessed housing is sealed by an o-ring supported at its inner bore by extended portions adjacent the central bores of the members between which it is sandwiched. Upward and rotational forces are applied to the spindle in reaction to the water exiting from nozzles affixed to a spray bar attached to the spindle.
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products