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7625963 |
Reactive hot melt adhesive with bituminous additive
A polyurethane hot melt adhesive composition comprising an isocyanate, one or more polyols, one or more bituminous materials and optionally one or more thermoplastic materials. Another embodiment...
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7608650 |
Bitumen/rubber compositions crosslinked with polythiomorpholines, polysulfides and/or mercaptobenzimidazole
Asphalt and elastomeric polymer compositions crosslinked with mixed polythiomorpholines or at least one alkyl polysulfide can give polymer modified asphalts (PMAs) with improved properties and/or...
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7569627 |
Hot melt binder for asphalt product with reduced production temperature and applications of said binder
The binder is produced based on natural bitumen, or bitumen from the oil industry, and comprises a first additive which is constituted by a hydrocarbon wax whose melting point is greater than 85°...
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7544239 |
Reduction of sulfur emissions from crude fractions
Methods of modifying crude fractions are described herein. The methods generally include blending a crude fraction with an emissions reducing additive to form a modified crude fraction, wherein the...
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7452930 |
Curable composition
It is the subject of the present invention to provide a solvent-free ambient-temperature curable composition, excellent in water-resistant adhesion, storage stability and curability, and generates...
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7446139 |
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...
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7439286 |
Modified asphalt compositions
A modified asphalt composition is provided comprising at least one plastomer, at least one elastomer, and asphalt. More specifically, a modified asphalt composition is provided comprising an...
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7417082 |
Modified asphalt binder material using crosslinked crumb rubber and methods of manufacturing the modified asphalt binder
Bituminous asphalt binder materials which are modified by the addition of crumb rubber or ground tire rubber and a cross-linking agent are described. In addition, methods are provided for producing...
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7402619 |
Cross-linking compositions for polymer-modified asphalt compositions
The present invention relates to a bituminous composition comprising a bituminous component, an elastomeric polymer component, and a specific cross-linking composition component comprising...
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7365111 |
Use of zinc oxide to improve compatibility of polymer modified asphalt crosslinked with phenol aldehyde resin
In methods of preparing asphalt and elastomeric polymer compositions crosslinked with phenol aldehyde resins and sulfur, such as polymer modified asphalt (PMA), it has been discovered that the MP1...
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7338991 |
Process for preparing bitumen/rubber compositions
In methods of preparing asphalt and elastomeric polymer compositions, it has been discovered that for a given crosslinker or vulcanizing agent there is an optimum crosslinking temperature to give a...
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7335416 |
Mouldable hydrocolloid adhesive compositions
A mouldable pressure-sensitive hydrocolloid adhesive composition, particularly useful as a medical adhesive, comprising a dispersion of a discontinuous phase of one or more water-soluble and/or...
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7297720 |
Recyclable composite materials, articles of manufacture, and structures and methods of using composite materials
Composite mixture materials made of recycled plastic, glass and rubber, and optionally, sand, gravel, coal combustion by-product and metal, and containing no petroleum distillates (unless a fire...
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7271207 |
Bituminous composition
A bituminous composition which comprises a bituminous component and a block copolymer which comprises at least two blocks of a conjugated diene and at least two blocks of a monovinylaromatic...
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7247664 |
Bituminous composition with improved ‘walk-on-ability’ and its use in roofing applications
Disclosed is a bituminous composition that comprises a bituminous component (A), an elastomer component (B), preferably a block copolymer of a conjugated diene and a monovinylaromatic hydrocarbon,...
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7241821 |
Polymer-modified, vulcanized asphalt composition and its method of preparation
A method is provided for improving high temperature performance grade properties of polymer-modified, vulcanized asphalt by treating an asphalt cement under mild oxidizing conditions sufficient to...
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7241818 |
Filler comprising fly ash for use in composites
The present invention is a fly ash filler or filler blend having a particle size distribution with at least three modes that can be combined with a polymer or bitumen at higher filler loadings to...
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7205344 |
Crosslinker for modified asphalt
The present invention relates to compositions and methods for providing an improved means of modifying asphalt with a polymer. More particularly, this invention provides a crosslinking system to...
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7186765 |
Method for preparation of stable bitumen polymer compositions
The present invention provides a method for preparing an asphalt and thermoplastic elastomer composition. The process comprises heating an asphalt cut in a stirred tank to a temperature sufficient...
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7144933 |
Modified asphalt compositions
A modified asphalt composition is provided comprising at least one plastomer, at least one elastomer, and asphalt. More specifically, a modified asphalt composition is provided comprising an...
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7074846 |
Rubber modified asphalt cement compositions and methods
The present invention discloses methods of making improved rubber modified asphalt cement compositions, and compositions made by the method, where the compositions are useful in paving, roofing,...
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7060646 |
Supported catalyst composition for polymerization of olefins, method for preparing the same and process for polymerization using the same
Supported catalyst composition for polymerization of olefins comprising: (i) a titanium compound, a magnesium compound and at least one electron donor compound; (ii) a chlorine containing polymer...
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7060743 |
Bitumen composition
The present invention provides a bitumen composition including: —(i) from 0.1 to 25% wt of an elastomer, (ii) from 0.1 to 40% wt of a solvent, (iii) from 30 to 99% wt of a bitumen, (iv) from 0.1...
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7045570 |
Liquid asphalt modifier
The present invention relates to compositions and methods for providing an improved means of modifying asphalt with a polymer. More particularly, this invention provides a solvent system that...
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7041717 |
Composition and method for surface protection
A composition and a method for protection of constructions and structures from chemical action and destructive environmental effects. The main components of the composition are a polymerizing...
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7001453 |
Method of selecting a high modulus layer binder
A method of selecting an asphalt binder for use in constructing a high modulus layer of bituminous pavement is provided. This method includes measuring the complex shear modulus of one or more...
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6956071 |
Use of alternate thiol accelerators for crosslinking rubber in asphalt
It has been discovered that certain nitrogen-containing thiols other than mercaptobenzothiazole (MBT) perform equivalently as accelerators in preparing asphalt polymer compositions. Typically, the...
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6927245 |
Dispersing agent and method for the delivery of cross-linking agent to polymer modified asphalt compositions
The present invention provides a dispersing agent that facilitates the delivery of a cross-linking agent to polymer modified asphalt. The present invention further includes a composition comprising...
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6897249 |
Asphalt additive, a composition added with the asphalt additive, and a method for preparation of the composition and its application
The present invention provides an asphalt additive comprising a tire rubber powder and a petroleum resin. This asphalt additive is used in preparation of a reformed asphalt and paving material,...
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6894092 |
Aqueous asphalt emulsions containing liquefied or devulcanized recycled rubber
Non thixotropic, aqueous emulsions prepared from rubber modified asphalt cement (RMAC). The RMAC is prepared by a method whereby recycled tire rubber is liquified or otherwise consumed by or...
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6872763 |
Bitumen vulcanizing composition
Provided is a vulcanizing agent for vulcanizing bitumen, which vulcanizing agent comprises a sulphur agent and a binder, wherein the vulcanizing agent is in the form of pellets. Further provided is...
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6852779 |
Method for the production of cross-linked and/or functionalized bitumen/polymer compositions and use of said compositions in coverings
Compositions produced by forming a homogenous mass consisting of a bitumen matrix wherein a cross-linked and/or functionalized elastomer produced in situ from a precursor elastomer is dispersed in...
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6818687 |
Modified asphalt with carrier and activator material
A polymer modified asphalt is characterized by the addition of a carrier material such as mineral oil. The carrier material is mixed with an activator material and then added to a hot mixture of...
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6815510 |
Elastomer reclaiming composition and method
The present invention relates to elastomeric compositions and methods including compositions and methods involving the use of aromatic alcohols. The present invention further relates to elastomeric...
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6790395 |
Method for producing a thermoplastic filler
A method for producing a thermoplastic filler for eliminating surface damage to concrete or asphalt surface is disclosed which includes mixing stone chips, sand, a powdered material and a...
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6759453 |
Asphalt compositions
The invention comprises polymers which have been functionalized so as to be able to chemically react with polyamines to form adducts containing at least one or more groups consisting of amino,...
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6753362 |
Cold bond adhesive
An adhesive composition which requires no applied heat to effect curing and which produces a strong bond between a polymeric capping membrane suitably employed in roofing or siding and a roofing or...
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6743839 |
Modification of asphalt cement
This invention is based upon the discovery that a polydiene rubber that is comprised of repeat units that are derived from a conjugated diene monomer and sulfur can be used to improved the force...
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6727299 |
Aromatic polysulfide and an asphalt composition containing the same
The present invention relates to a novel aromatic polysulfide and an asphalt composition containing the same, and more particularly, to a novel aromatic polysufide having repeating units of the...
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6713540 |
Method for crosslinking asphalt compositions and the product resulting therefrom
A process is provided for crosslinking polymer modified asphalt compositions using a combination of a crosslink initiator, crosslink co-agent and crosslinkable polymer, to provide a process that is...
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6617421 |
Method for producing substantially dry water-insoluble polymers for improved flocculation in the Bayer process
The present invention is a method of producing substantially dry water insoluble polymers from poly alkyl esters of vinylic monomers for use in a method for the clarification of red mud-containing...
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6583202 |
Roofing membrane
This invention relates to a roofing or siding membrane comprising a non-woven mat coated with an asphaltic composition containing, in addition to 35-75 wt. % bitumen, a mixture of isotactic and...
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6579921 |
Modified bituminous composition for roof membranes
Roofing membranes are provided with both high stiffness at high temperature (greater than 110 ° C.) and good flexibility at low temperature (less than −20 ° C.). Bituminous compositions may be...
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6579947 |
Hydraulic fracturing fluid comprising a block copolymer containing at least one water-soluble block and one hydrophobic block
The invention relates to a hydraulic fracturing fluid comprising an aqueous liquid, and a block copolymer containing at least one water-soluble block and one hydrophobic block and being...
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6548559 |
Thermoplastic compositions and methods
A new composition is formed by combining a reduced waste rubber, a heavy paraffin and a reduced waste thermoplastic, and then further reducing the resulting material while holding it at an elevated...
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6538060 |
Bituminous polyurethane interpenetrating elastomeric network compositions as coatings and sealants for roofing and other applications
Elastomeric polyurethane interpenetrating network compositions are disclosed which are preferably developed by in situ reaction of polyols with different isocyanates and polyisocyanates in a...
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6492439 |
Asphalt compositions
A rubber-modified asphalt composition is provided. The asphalt composition includes asphalt, a rubber including at least high vinyl poly(conjugated diene), and at least one phenolic curing resin....
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6486237 |
Silicone composition cross-linkable into adhesive gel and absorber with microspheres
The invention concerns a silicone composition cross-linkable by hydrosilylation into adhesive gel and absorber, characterized in that it comprises:(I) at least a polyorganosiloxane POS (I); (II) at...
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6486236 |
Asphalt composition comprising bismaleimides
A rubber-modified asphalt composition is provided. The rubber includes at least a polydiene and may further include vinyl-substituted aromatic hydrocarbon monomer contributed units. The rubber is...
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6465547 |
Crosslinked compositions containing silane-modified polypropylene blends
A moisture-crosslinkable polyolefin material, comprising a silane-grafted polyolefin blend, and coatings or insulations, including heat-shrinkable coatings and insulations, prepared therefrom. The...
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