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WO/2022/150232A1 |
Pitch compositions may be obtained by subjecting one or more crude oils to steam cracking. Processes for producing pitch compositions suitable for spinning into fibers from steam cracking of crude oils may comprise: steam cracking of one...
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WO/2022/141716A1 |
A regenerant for in-place thermal regeneration of asphalt pavement. The mass percentage of each component is: 1-10% of a carbon nanotube penetrant, 10-30% of a light oil, 20-50% of a heavy oil, 2-10% of a plasticizer, 0.5-2% of an antiox...
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WO/2022/136859A1 |
There is described a composition for use with aggregate which improves the wetting-out capabilities of bitumen, and therefore the resilience and ageing characteristics of asphalt concrete formed through admixture of the aggregate with th...
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WO/2022/138805A1 |
Provided is a technique for suppressing peeling between asphalt and aggregate to improve water resistance performance. An asphalt composition of the present disclosure is characterized by including 14-300 ppm by mass of silicon element i...
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WO/2022/126739A1 |
The present invention relates to the technical field of road engineering and construction, in particular to a low-temperature-resistant additive specially for a high-modulus asphalt mixture and a preparation method therefor. The technica...
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WO/2022/124552A1 |
The present invention relates to an asphalt modifier for an asphalt mixture and an asphalt mixture comprising same and, in particular, to an asphalt modifier in which a coating layer including a low-melting-point polyethylene and an inor...
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WO/2022/107034A1 |
A method of re-stiffening an over-digested rubber modified bituminous binder includes admixing a reactive, stiffness inducing organic additive with the over-digested rubber modified bituminous binder to produce a re-stiffened rubber modi...
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WO/2022/101118A1 |
The invention is directed to a thermally expandable composition comprising at least one polymer P, at least one chemical blowing agent CBA, at least one physical blowing agent PBA composed of expandable microspheres, and at least one fil...
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WO/2022/101132A1 |
The present invention relates to an asphalt composition comprising a modified bitumen with a hydroxyl-functionalized polymer configured to create a thermally reversible cross-linking network within the composition, wherein the hydroxyl f...
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WO/2022/096635A1 |
A method for producing asphalt comprising a heat treatment step, wherein the rubber granules deriving from an end-of-life tyre granulation process are subjected to a temperature of between 80 and 300°C, for a period of time necessary in...
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WO/2022/096083A1 |
The present invention is related to an adhesion promoter composition including a vinyl acetate-ethylene (VAE)-based redispersible polymer and a wetting agent; and an asphalt binder and an asphalt mixture having high adhesion and cohesion...
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WO/2022/091114A1 |
The present disclosure relates to a modified bitumen composition comprising: (a) at least two refinery residues; and (b) a sulphur additive comprising: (i) sulphur; (ii) at least one H2S suppressant; (iii) at least one smell masking agen...
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WO/2022/090577A1 |
The invention relates to a bitumen additive comprising a wax dispersed in water, the water being in the continuous phase and the wax in the dispersed phase; the wax comprising a Fischer-Tropsch wax and one or more hydrocarbon waxes selec...
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WO/2022/087250A1 |
A method for producing fibers may comprise: producing a mesophase pitch melt by a continuous process, wherein the mesophase pitch has a softening point of about 175C to about 400C, a coking value of about 60 wt% to about 95 wt%, a mesoph...
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WO/2022/087072A1 |
A bituminous emulsion that is capable of being used as a penetrating prime emulsion. The penetrating prime emulsion may be capable of penetrating compacted soil without the use of solvent, and may toughen quickly to allow early applicati...
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WO/2022/085641A1 |
Provided is a manufacturing method for an asphalt mixture that can improve stability. This asphalt mixture manufacturing method uses an asphalt composition including lignin and asphalt and comprises: a first mixing step S1 in which the l...
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WO/2022/078019A1 |
Provided are a dynamic diselenide bond polyester elastomer material, a preparation method and an application thereof, belonging to the technical field of road surface maintenance. The preparation steps comprise: preparing a diisocyanate-...
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WO/2022/076149A1 |
Provided herein are antistripping compositions which may be used, for example, as additives to bitumen compositions such as asphalt concrete to prevent or reduce susceptibility to water damage. In particular, the antistripping compositio...
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WO/2022/071508A1 |
The present invention relates to an asphalt modifier that is obtained by combining a specific polyester (A) and a specific polyester (B).
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WO/2022/072116A1 |
A composition providing a copper-carboxylic acid complex, the copper-carboxylic acid complex having a molar ratio of copper (Cu) to carboxylic acid that is between 1:0.1 and 1:1.5; and an asphalt composition. A method for scavenging hydr...
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WO/2022/070398A1 |
[Problem] To provide an ambient-temperature asphalt mixture that exhibits excellent economics and an excellent balance among the flow resistance, aggregate fretting resistance, deflection followability, and low-temperature workability. [...
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WO/2022/070764A1 |
Provided is technology that makes it possible for an asphalt mixture to exhibit a suitable void ratio and saturation, even in a case where synthetic calcium carbonate is used. A blend design method for an asphalt mixture of the present...
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WO/2022/058318A1 |
A capsule (1) encapsulating a rejuvenator for viscoelastic materials such as bitumen/asphalt comprising rejuvenator containing compartments (21) surrounded by a matrix (2) in which the matrix (2) is formed from a biomaterial such as an a...
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WO/2022/057168A1 |
A preparation method of a pig manure bio-oil comprises the following steps: 1) pretreating pig manure to obtain pig manure particles; and 2) after the pig manure particles are preheated, pyrolyzing and liquefying the preheated pig manure...
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WO/2022/052202A1 |
The present disclosure relates to the technical field of modified asphalt, and in particular relates to a high-toughness SBS/SBR polyphosphoric acid composite modified asphalt and a preparation method therefor. The raw materials comprise...
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WO/2022/052436A1 |
Provided are an environmentally friendly rubber oil preparation method, and a prepared environmentally friendly rubber oil; in the present invention, an environmentally friendly rubber oil is prepared by blending modified resin liquid an...
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WO/2022/035921A1 |
Methods for adhering secondary bituminous hinder layers to underlying substrates using vinyl polymer.
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WO/2022/035438A1 |
A method of reducing hydrogen sulfide emissions from an asphalt or bitumen composition comprises releasing a solid hydrogen sulfide scavenger from an additive package, which comprises the solid hydrogen sulfide scavenger disposed in a se...
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WO/2022/035343A1 |
The invention relates to the field of road construction materials, and more particularly to the production of bitumen/rubber compositions for a bitumen-based paving binder and can be used for constructing, repairing and reworking asphalt...
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WO/2022/027778A1 |
Disclosed is a high-efficiency reclaimed asphalt mixture, comprising in terms of parts by mass a reclaimed dedicated asphalt and 100 parts of a core material. The 100 parts of the core material comprise the following raw materials in ter...
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WO/2022/027777A1 |
Disclosed are a multi-chain polyolefin and styrene-containing composite modified special asphalt for rejuvenation, and a preparation method therefor. The percentages by mass of the components are as follows: 71%-95% of matrix asphalt, 1%...
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WO/2022/022500A1 |
The present invention relates to a self-adhesive waterproof coiled material of a super-strong cross laminated film, comprising sequentially from top to bottom: an isolation protection layer, a non-asphalt-based self-adhesive layer, a str...
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WO/2022/008754A1 |
The present invention relates to a method for reducing the emission of hydrogen sulfide during the production of an asphalt composition.
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WO/2022/000059A1 |
The invention relates to a durable asphalt mix to be applied cold, in which a hot mix is carried out in the same production plant as used for conventional asphalt production, said mix comprising penetration grade bitumen 35/50 and 50/70,...
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WO/2022/001244A1 |
Disclosed in the present invention is an aging-resistant wood-plastic composite material for faux wood furniture, comprising the following ingredients: polypropylene, straw, an initiator, a binder, petroleum asphalt, an acid catalyst, a ...
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WO/2022/005422A1 |
The invention is related to an additive for the preparation of cold asphalt mixture. The said additive comprises an aminoamide compound obtained from the reaction of at least one fatty acid with at least one polyamine and vegetable waste...
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WO/2022/004706A1 |
The present invention provides an asphalt modifier comprising a crystalline polyester that has a melting point of 65-160°C and that includes a structural unit derived from an alcohol component including a straight-chain aliphatic alcoho...
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WO/2022/003296A1 |
The present invention relates to the field of emulsions of hydrocarbon binders known as "spreading emulsions", in particular cationic emulsions of hydrocarbon binders. Such emulsions are useful in the preparation of surface wear coatings...
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WO/2022/005421A1 |
The invention is related to an additive for the preparation of cold asphalt mixture. The said additive comprises an aminoamide compound obtained from the reaction of at least one fatty acid with at least one polyamine and vegetable waste...
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WO/2021/257676A1 |
A strain tolerant recycled bitumen pavement composition comprising aggregate, recycled bitumen, and a specialized polymer modified bitumen. The specialized polymer modified bitumen may comprise bitumen and polymer, where the polymer comp...
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WO/2021/254815A1 |
: An asphalt composition comprising 0.1 to 8 wt.-% based on the total weight of the composition of an Isocyanate as thermosetting reactive compound and 0.1 to 8 wt.-% based on the total weight of the composition of a plasticizer selected...
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WO/2021/250014A1 |
The present invention relates to a binder composition comprising a bituminous binder and at least one rejuvenating agent. The present invention further relates to a method for evaluating the efficiency of a rejuvenating agent in a binder...
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WO/2021/246794A1 |
The present invention relates to a block copolymer, a method of preparing same, and an asphalt composition comprising same, wherein the block copolymer comprises an aromatic vinyl-based polymer block, a conjugated diene-based polymer blo...
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WO/2021/246871A1 |
The present invention is in the field of chemical composition referred to as a rejuvenator for recycling of polymer modified asphalt concrete pavement, to a reclaimed polymeric network comprising said rejuvenator, to asphalt comprising r...
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WO/2021/243338A1 |
Embodiments discloses herein relate to methods of processing coal. A method to process coal includes subjecting raw coal to a liquefaction process effective to form a pitch resin, subjecting the pitch resin to a variable crystallinity sp...
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WO/2021/240216A1 |
The invention refers to an asphaltic mixture conditioner comprising a bitumen, a polyol, a surfactant, a mineral acid and water. The invention further refers to a conditioned asphaltic paving mixture comprising bitumen, aggregate and the...
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WO/2021/228895A1 |
A process for preparing a cationic latex modified hydrocarbon binder emulsion comprising the steps of: (a) preparing a cationic copolymer latex emulsion by an emulsion polymerisation of polymerizable monomers, said polymerizable monomers...
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WO/2021/225574A1 |
Asphalt emulsions comprising asphalt present in an amount of 50% by weight or greater, based on the weight of the asphalt emulsion, an isocyanate present in an amount of 0.05% by weight or greater, based on the weight of the asphalt emul...
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WO/2021/213896A1 |
A mixture comprising: T1) from 99 wt% to 75 wt% of bitumen, and T2) from 1 wt% to 25 wt% of polymer composition comprising the following components, A) 5-35% by weight of a propylene ethylene copolymer; B) 20-50% by weight; of an ethylen...
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WO/2021/215956A1 |
The invention relates to the field of road construction materials and is intended to improve the quality of bitumen-based road surfaces, roofing materials and insulating materials through the use of modified rubber crumb, a product from ...
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