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7622519 |
Bituminous binder composition and process for preparing the same
The present invention is directed to a process for preparing a polymer modified bituminous binder composition in the substantial absence of crosslinking agents by heating a bitumen component in a...
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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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7592381 |
Process for preparing a bituminous binder composition
The present invention is directed to a process for preparing a polymer modified bituminous binder composition in the substantial absence of crosslinking agents by heating a bitumen component in a...
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7576148 |
Blown asphalt compositions
A process for preparing compatible, selectively hydrogenated block copolymer-modified bituminous compositions comprising blowing a mixture of the block copolymer and bitumen with an oxidizing gas...
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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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7495045 |
Use of inorganic acids with crosslinking agents in polymer modified asphalts
Asphalt and polymer mixtures treated with an inorganic acid and cross-linked with sulfur and/or other crosslinkers or accelerators gives a polymer modified asphalt with improved high temperature...
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7459505 |
Block copolymers with acidic groups
Block copolymer that can be formed into an ion-conductive membrane are provided. The block copolymer of the invention includes a first polymer block and a second polymer block attached to the first...
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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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7417081 |
Asphalt composition
An asphalt composition comprising 0.5 to 50 parts by weight of a block copolymer component (I), 100 parts by weight of an asphalt (II) and 0.01 to 10 parts by weight of at least one vulcanizing...
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7414093 |
Modified block copolymer
A second order modified block copolymer which can be obtained by reacting a first order modified block copolymer with a second order modifier, wherein the first order modified block copolymer...
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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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7390846 |
Wood sizing agents for PVC composites
Disclosed herein is a process for improving mechanical properties and thermal stability of composites of poly(vinyl chloride) and at least one natural fiber comprising including in said composite...
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7371791 |
Rubber composition and pneumatic tire using the same
A high performance rubber composition using a plasticizer derived from resources other than petroleum and a pneumatic tire using the same are provided. The rubber composition includes a rubber...
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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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7317045 |
Polyethylene modified asphalt compositions
A polymer modified bituminous composition for roofing applications that comprises polyethylene as the primary modifier.
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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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7230041 |
Bituminous compositions
The present invention relates to a bituminous composition, comprising a bituminous component and a block copolymer, wherein the block copolymer comprises at least two terminal poly(vinyl aromatic)...
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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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7160935 |
Tubular reactor ethylene/alkyl acrylate copolymer as polymeric modifiers for asphalt
Polymeric modified asphalt for road paving applications wherein the polymer modifier is a tubular reactor produced ethylene/alkyl acrylate copolymer (e.g., EMA) optionally blended with an epoxy...
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7157508 |
Polymer-linked asphalt compositions
Disclosed are a thermoplastic polymer-linked-asphalt composition and a process for making a thermoplastic polymer-linked-asphalt. More particularly, the present invention relates to the reaction...
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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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7115312 |
Resin structure and use thereof
Provided is a thermoplastic resin structure formed of a resin composition that comprises substantially (a) from 5 to 80% by volume of a polyolefin resin and (b) from 20 to 95% by volume of a...
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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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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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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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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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6764992 |
Soil release polymers and laundry detergent compositions containing them
Anionic, hydrophobic polysaccharides useful as soil release agents in detergent compositions are graft copolymers of a polysaccharide having anionic substituents with an ethylenically unsaturated...
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6759454 |
Polymer modified bitumen compositions
The present invention is a polymer modified bituminous composition having improved phase stability, heat aging and viscosity characteristics. The bituminous compositions are blends comprising...
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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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6743838 |
Expoxy functionalized ethylene copolymer asphalt reaction products
The present invention relates to polyepoxy-polymer-linked-asphalt having enhanced properties made by reacting a glycidyl-functionalized ethylene copolymer with reactive asphalt, wherein the...
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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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6713539 |
Storage-stable modified asphalt composition and its preparation process
A storage-stable modified asphalt composition, which comprises: 50-97.7 parts by weight of a base asphalt, 2.0-20.0 parts by weight of a polymer having double bonds, 0.1-20.0 parts by weight of a...
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