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WO/1994/025678A1 |
A multi-layer molded composite paving block having a first layer (122) comprising reclaimed asphalt, thermoplastic or thermosetting plastic, monofilament fibre material and elastic material, and a second layer (124) comprising thermoplas...
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WO/1994/025702A1 |
Methods and articles for reinforcing castable compositions through the use of reinforcing elements (22) maintained in a close-packed alignment in a dispersible containment means (24).
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WO/1994/023131A1 |
The invention concerns a method of producing a synthetic aggregate containing a substance which inhibits the formation of ice, the aggregate being intended for use in the construction and surface treatment of the top layers of traffic su...
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WO/1994/022957A1 |
Two or more different polymeric materials are stably incorporated into bitumen by effecting steric stabilization of a polyolefin, such as polyethylene, and by dispersing the other polymer, such as a styrene-butadiene-styrene copolymer, a...
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WO/1994/022958A1 |
Non-gellable, high-temperature storage-stable bitumen/polymer compositions produced by stirring a sulphur-cross-linkable elastomer, an antigelling admixture and a sulphur-donating coupling agent into a bitumen or bitumen mixture at 100 -...
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WO/1994/017139A1 |
An emulsion containing (a) a hydrocarbon binder including at least 80 % of a hydrocarbon matrix selected from straight-run, deasphalted or oxidized bitumens in a pure, fluidized or fluxed state, and regeneration binders; and (b) at least...
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WO/1994/016019A1 |
The present invention provides an elastomeric-asphalt composition which does not phase separate and which is compatible at high temperatures. This compatible material can be produced without the need to use high shear milling equipment. ...
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WO/1994/014896A1 |
Rubber, particularly crumb rubber from the recycling of tyres, is processed to effect partial or high levels of dissociation of rubber vulcanate network, in particular to form bituminous compositions in which the treated rubber, carbon b...
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WO/1994/014922A1 |
Described is a method of working up tar, tar products, distillation residues, coking residues, oil residues and similar organic compounds consisting of aromatic and other hydrocarbons or containing them, the products being worked up bein...
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WO/1994/011444A1 |
The viscosity of bitumen, bitumen-like mixes based on polymer and bitumen and mixes of bitumen and additives is reduced by mixing said bitumen or mixes with at least one gas in a dynamic high shear mixer or in a static mixer.
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WO/1994/011443A1 |
A bituminous composition comprising a bituminous component, a polymer which comprises at least one block of a conjugated diolefin and at least one block of an acrylic monomer such as an alkyl methacrylate and from 0.001 parts to 1 part b...
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WO/1994/010247A1 |
A bitumen emulsion of an anionic or cationic type having a breaking additive is disclosed, wherein the breaking additive has been added to the emulsion in the form of a suspension of a breaking solid in oil. The invention also relates to...
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WO/1994/009072A1 |
A bituminous binder composition is provided comprising: (a) 1 to 10 % by weight of a linear, radial or branched block copolymer comprising at least one monovinyl aromatic compound polymer block A and at least one conjugated diene polymer...
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WO/1994/004278A1 |
A system for cutting and spraying a plurality of resin strands with an emulsion. The system includes a spray gun (12) that has a cutter assembly (58) that cuts a single resin thread into a plurality of individual strands. The cutter asse...
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WO/1993/024573A1 |
A low cost method for preparing foamed or aerated asphalt-rubber paving compositions is provided wherein a flowable mixture including respective quantities of asphalt and finally divided reclaimed rubber particles is first directed into ...
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WO/1993/022385A1 |
A bitumen/polymer composition is comprised of a bitumen, an elastomer polymer which is sulphur-curable in a quantity representing from 0.5 to 20 % by weight of the bitumen, a sulphur-donor curing agent, a curing accelerator and a viscosi...
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WO/1993/018092A1 |
A bitumen is mixed, between 100 °C and 200 °C with (i) a linear sequenced styrene/conjugated diene copolymer A-B or A-B-A, A being a polymer sequence consisting of a polystyrene block alone or extended, on the B side, by a statistical ...
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WO/1993/017076A2 |
In accordance with the present invention, there is provided an asphalt composition which incorporates asphalt in admixture with synthetic or natural rubber and a vulcanizing agent. There is also provided a process for preparing the above...
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WO/1993/017173A1 |
Textile fabrics, yarns and cords are impregnated with rubber, resin and particulate materials by dipping in an aqueous dispersion comprising an aqueous rubber latex, resin and the particulate material, the dispersion further containing a...
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WO/1993/014156A1 |
A rubber modified asphalt for use as a paving compound is formed by reacting very fine ground particulate rubber with paving grade asphalt and mixing the combination at between 300 and 400 degrees F. The resulting mixture reacts fully wi...
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WO/1993/013164A1 |
A method for treating cross-linked polymer materials of the polyolefin and/or natural or synthetic rubber and/or polystyrene families in order to obtain polymer fragments having reduced molecular weight. According to the method, after pa...
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WO/1993/012297A1 |
A composite paving block formed from desired proportions asphalt, plastic such as polyethylene or phenolic resin, elastomeric material such as rubber or polyvinylchloride, and fibre material such as nylon or rayon, is disclosed. Recycled...
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WO/1993/010952A1 |
An apparatus and process is provided for the production of hot mix asphalt (HMA) by the treatment of virgin material alone or adding reclaimed or recycled asphalt pavement (RAP) of up to 100 % of the HMA comprised of reclaimed asphaltic ...
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WO/1993/009069A2 |
A method of forming a bituminous membrane for application to a surface in order to render the surface resistant to penetration by water which comprises: providing a raw material supply of bitumen e.g. a blend of 50/200 PEN bitumen, and a...
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WO/1993/009070A2 |
A method of treating a surface with a sprayed composition including bitumen to form a membrane and which comprises providing a raw material supply of bitumen which is heated to 140°C, and an alkaline supply of blending water which are h...
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WO/1993/008325A1 |
A printable carpet material which carpet material comprises a fibrous face, a primary backing sheet and a backing layer comprising a bitumen backing composition containing a thermosetting amount of a hydroxyl-terminated polybutadiene-dii...
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WO/1993/007219A1 |
Insoluble particulate materials, which may be in solid or liquid form, are dispersed in a continuous non-aqueous phase and the dispersion rendered stable and resistant to phase separation by an in-situ stabilization procedure involving t...
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WO/1993/005233A1 |
The invention concerns a powdery, hydrophobic filler for bituminized traffic areas, based on at least one substance that lowers the freezing point of water.
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WO/1993/003832A1 |
The invention relates to a method of effecting a physico-chemical reaction, in which method a crystalline or amorphous substance is crushed or ground. In the method according to the invention, as soon as a new fractured surface is formed...
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WO/1993/001242A1 |
An article intended to be degraded when exposed to the environment is made from a brittle resinous or synthetic resin material incorporating moisture swellable particles as a filler, whereby exposure of the article to water induces fragm...
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WO/1993/000406A1 |
The invention relates to a modified bitumen composition comprising 75-95 parts by weight of petroleum bitumen, 2-15 parts by weight of styrene/butadiene block polymer, 1-15 parts by weight of vegetable oil, their mixture or regenerated v...
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WO/1992/021820A1 |
An improved paving composition includes between 89 - 93 % graded aggregate, 5.76 % asphalt cement, 0.24 % SBR polymer and 1 - 5 % graded recycled crumb rubber. The asphalt cement and SBR polymer are blended and heated to form a first mix...
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WO/1992/019683A1 |
A bitumen emulsion comprising 40 to 80 wt. percent bitumen, 0.05 to 1.0 wt. percent emulsifier and 14 to 59.95 wt. percent water, the emulsion being substantially free of organic solvent, and containing emulsified bitumen droplets having...
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WO/1992/018558A1 |
By way of summary, the present invention relates to waterborne coating compositions, methods of preparing such compositions, and methods of applying such compositions. More particularly, but without limitation, two compositions of the pr...
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WO/1992/016580A1 |
Light coloured petroleum binders free from asphaltenes are prepared by blending one or more highly cross-linked or high molecular weight polymers with an aromatic extract of petroleum origin obtained by liquid-liquid extraction of a dist...
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WO/1992/015645A1 |
An improved cold patch composition for pavement repair and method of preparation therefor, including recycled asphalt roofing waste, aggregate, and solvent. Recycled asphalt roofing waste provides an excellent, although unexpected, sourc...
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WO/1992/011321A2 |
The bitumen/polymer component has a ball and ring penetration and softening temperature such that the PFEIFFER index, which links these values, is greater than 5 for the said component. This bitumen/polymer component is obtained by conta...
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WO/1992/002586A1 |
A bitumen emulsion having a viscosity of at least 200 cSt at 25 °C which comprises bitumen, an emulsifying agent, an inorganic acid, water and from 0.1 to 3.0 wt% of a metal salt, the metal being selected from lithium, sodium, potassium...
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WO/1992/001751A1 |
The object of the invention is a method of processing an asphalt mixture which comprises mineral aggregate and/or recycled crushed asphalt and to which bitumen-based binding material has optionally been added, the method comprising heati...
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WO/1992/001752A1 |
To an emulsion formation area are fed (i) a bitumen/polymer component which is sulphur-crosslinkable and is in the form of a molten mass having a temperature between 100 °C and 230 °C and a viscosity of at most 2 Pa.s at said temperatu...
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WO/1991/017228A1 |
A method of modifying a cationic bitumen emulsion by initiating coalescence by either (i) adding a specific chemical agent or (ii) physical reaction. The method included modifying the bitumen emulsion by combining a second emulsion with ...
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WO/1991/015625A1 |
A floor covering having a bitumen composition as a backing layer, such as carpet tiles, which bitumen composition comprises straight run bitumen and a mixture of high density and low density polyethylene polymers blended and dispersed in...
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WO/1991/014570A1 |
A roofing system incorporates a fire resistant asphalt composition comprising a thermoplastic elastomer modified bitumen, a filler, a brominated diphenyl ether, antimony oxide, and zinc borate. The apshalt composition is utilized with an...
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WO/1991/013698A1 |
Process and apparatus for near-zero discharge soil remediation, preferably in conjunction with an asphalt plant, comprising heating soil contaminated with up to about 30,000 ppm light hydrocarbons in an inclined, axially-fired rotating s...
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WO/1991/009907A1 |
Disclosed is a thermoplastic polymer-linked-asphalt and a process for making a thermoplastic polymer-linked-asphalt. More particularly, disclosed is a reaction process for linking epoxide-containing polymers to asphalt. The improved ther...
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WO/1991/006606A1 |
Bituminous binder emulsion formed from a dispersion of an organic phase consisting of a bituminous binder in an aqueous phase incorporating an emulsifying system made up of one or more emulsifying agents, a water-soluble thickener and po...
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WO/1991/005829A1 |
Sealing and coating compounds containing aqueous bitumen emulsions, non and/or partially ionogenic polysaccharide ethers with Brookfield viscosities in a 1 % aqueous solution at 25 °C in the range of 1000 to 10000 mPas, aqueous dispersi...
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WO/1991/005019A1 |
Steel slag material from the manufacture of steel particularly in arc furnaces is crushed to steel slag powder. The steel slag powder can be reused by admixing asphalt surfacing materials. This solves the problem of steel mills with the ...
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WO/1991/002776A1 |
This invention relates to a stabilized, flame retardant roofing mat or sheeting impregnated with a composition comprising, modified asphalt and between about 9 and about 50 wt. % of colemanite. The invention also relates to the novel fla...
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WO/1991/000315A1 |
The bitumen/polymer composition contains a bitumen and, based on the bitumen weight, 0.5 to 15 % of a polymer, 0.05 to 10 % of an adhesive-carrying component of the amine, amide or imidazoline type, and possibly 1 to 30 % of a flux agent...
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