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7608664 |
Curable sealant composition and method for manufacturing same
In one embodiment of the present invention, a curable sealant composition and method for its preparation are provided. The composition includes a polymer which is prepared by functionalizing a...
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7534839 |
Sequentially terminated elastomers
Anionically-polymerized living polymers are sequentially functionalized with certain agents X′ and Y′. A method of preparing a functionalized polymer comprising the steps of reacting the...
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7517936 |
Curable sealant composition
A curable sealant composition is provided. The composition includes a polymer including at least conjugated dime contributed monomer units in a backbone of the polymer and terminal groups including...
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7501465 |
Resin composition
A resin composition includes an alicyclic structure-containing polymer; a hindered amine compound; and a releasing agent, wherein the releasing agent and the alicyclic structure-containing polymer...
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7498387 |
Modified polymers and compositions containing the same
A first-order modified, hydrogenated polymer comprising (1) a hydrogenated polymer obtained by hydrogenating at least one unhydrogenated polymer selected from the group consisting of a polymer...
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7485684 |
Functionalization of living rubbery polymers with nitrones
This invention relates to a tire which is comprised of a generally toroidal-shaped carcass with an outer circumferential tread, two spaced beads, at least one ply extending from bead to bead and...
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7470742 |
Rubber composition for covering carcass cord and tire having carcass using same
The present invention provides a rubber composition for covering a carcass cord, which makes it possible to consider an effect on environment, prepare for decrease in supply quantity of petroleum...
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7405256 |
Run flat tire
There is provided a run flat tire having a side reinforcing layer in which low exothermic property and high hardness are compatible and durability is improved. A rubber composition containing 10 to...
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7381768 |
Two-phase compositions
Disclosed is a composition comprising a hydrophobic polymer phase and a water-swollen superabsorbent polymer phase. Also disclosed is a two component system for preparing a composition comprising a...
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7342070 |
Conjugated diolefin (co)polymer rubber, process for producing (co)polymer rubber, rubber composition, composite, and tire
Disclosed are a conjugated diolefin (co) polymer rubber formed from either a conjugated diolefin or a conjugated diolefin and an aromatic vinyl compound, wherein the (co) polymer rubber has a...
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7335706 |
Method of making alkoxy functionalized rubbery polymers
The present invention is directed to a method for synthesizing rubbery copolymers, such as styrene-butadiene rubber, or rubbery homopolymers, such as polybutadiene rubber, that are alkoxy...
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7335411 |
Method of producing a tire composition having improved silica reinforcement
Vulcanizable elastomeric compositions and vulcanizates are prepared by employing a strong acid. The strong acid is believed to enhance the reaction between a silica particle and a silica-reactive...
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7312271 |
Solution masterbatch process using fine particle silica for low hysteresis rubber
Methods are provided for making a solution masterbatch containing a diene elastomer in an organic solvent and a reinforcing silica filler dispersed therein, comprising the steps of (a) mixing a...
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7279531 |
Rubbery polymers containing tin coupling agents and rubber compounds including the same
The present invention is directed to rubbery polymers, such as polybutadiene rubber or styrene-butadiene rubber, that contain tin coupling agents and provide desirable dispersion of carbon black in...
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7205360 |
Preparation process for block copolymers for tire tread compositions, and such copolymers
A preparation process for a copolymer having two blocks usable in a sulphur-cross-linkable rubber composition of reduced hysteresis in the cross-linked state, such a block copolymer in which one of...
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7112632 |
Process for the preparation of low branch content polybutadiene
A process for the preparation of low branch content polybutadiene comprising:
(a) a first butadiene polymerisation stage; (b) treatment of the polymer solution obtained upon completion of...
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7060748 |
Catalyst paste composition for electrode
A catalyst paste composition for making electrodes has a uniform dispersion condition of a carbon black supporting a hydrogen reduction catalyst and is excellent in storage stability. The catalyst...
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7030195 |
Process for the preparation of polybutadiene with a low branching degree
Process for the preparation of polybutadiene with a low branching degree which comprises:
(a) a first polymerization step of butadiene in the presence of organic solvents and in the presence of a...
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7015277 |
Elastomeric composition comprising a functionalized elastomer
An elastomeric composition vulcanizable with sulfur and/or sulfur donors useful for the preparation of tyres, which comprises: a) 100 parts of an elastomeric mixture comprising from 20 to 100% by...
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6933339 |
Nitrile rubber composition, vulcanizable nitrile rubber composition, and vulcanizate
A vulcanizable nitrile rubber composition comprising 100 parts by weight of a nitrile rubber, 0.1 to 20 parts by weight of a metal silicate and 0.1 to 10 parts by weight of a vulcanizing agent....
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6896963 |
System for preparing glass fiber pellets having low discoloration
A two-part sizing system for making colorless, densified fiber pellets of a reinforcing fiber material. The densified product may be advantageously produced by first applying a precursor size...
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6872773 |
Preparation of readily water-redispersible and water-wettable polymer powders
A readily water-redispersible and water-wettable polymer powder is prepared by spray-drying of an aqueous dispersion of polymer particles with admixing of a hydrophilic and of a hydrophobic...
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6822037 |
Silica reinforced rubber compositions of improved processability and storage stability
The disclosure relates to a process for improving the processability, storage stability and/or cure rate of an uncured silica reinforced rubber composition where silica comprises the major filler...
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6794428 |
Carbon black coupler
A coupler is described for use in carbon black filled rubber compositions. The coupler includes an amine group and a thiol group or a polysulfidic linkage. The coupler improves the interaction of...
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6765045 |
Vulcanisable rubber composition with sulphur containing silica
Rubber composition vulcanizable with sulfur and tire tread and tire casing comprising the composition, characterized in that the composition comprises: a) at least one polymer selected from the...
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6740704 |
Methods for producing diene-based rubber/inorganic compound complexes and rubber compositions containing the same
The object of the present invention is to provide a method for producing a diene-based rubber/inorganic compound complex capable of allowing a silicic acid compound including silica and the like to...
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6727307 |
Rubber composition
A rubber composition comprises a polar group-containing diene polymer synthesized through an emulsion polymerization as a rubber component, and an inorganic filler represented by a formula of...
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6642291 |
Viscoelasticity improving agent for rubber and rubber composition containing the same
A viscoelasticity improving agent for rubber obtained by reacting an alkyllithium compound with a free radical compound having an isocyanate group in the molecule thereof and existing stably at...
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6630204 |
Coating with functionalized rubber, crosslinker, accelerator/catalyst and vulcanizer
Mixtures containing at least one functionalized low-molecular rubber A, at least one cross-linking agent B having groups which are reactive with respect to the functional groups of the rubber A,...
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6521698 |
Rubbers with polyether side groups
The present invention relates to rubbers based on diolefins with a particular lateral polyether group content, mixtures thereof with fillers and the use of said rubbers and mixtures for the...
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6489037 |
Coating for inhibiting stain formation in floor covering
A coating that inhibits stain formation in floor covering. The coating includes a copper amine complex, preferably a copper morpholine complex, and is advantageously applied to an underlayment upon...
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6476110 |
Rubber composition containing solid magnetizable particles of greater stiffness than the rubbery compounds
Rubber compositions filled with an unusually high content of solid magnetizable particles such as iron oxide or strontium ferrite but having great resistance to crack initiation and crack growth....
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6469082 |
Low VOC solvent-based polychloroprene contact adhesive
A solvent based polychloroprene contact bond adhesive having less than 250 grams per liter volatile organic compounds (VOCs) at high solids content is disclosed. The composition contains...
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6462141 |
Diene copolymer substituted by alkoxy silane, and organic and inorganic hybrid composition comprising the same
The present invention relates to alkoxysilane-substituted diene copolymers, organic and inorganic hybrid complex compositions comprising the same and a process for the preparation of the same. The...
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6403727 |
Method for selective hydrogenation of ethylene unsaturated double bonds in polymerizates
A process for selectively hydrogenating ethylenically unsaturated double bonds in polymers P involves reacting the polymers P with hydrogen in the presence of at least one hydrogenation catalyst...
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6329449 |
Pulverulent rubber powders comprising modified fillers, processes for their preparation and their use
The invention relates to a process for the preparation of finely divided rubbers (rubber powders) by precipitation from aqueous mixtures, which comprise filler in the form of suspensions,...
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6211271 |
Process for producing a vulcanizable rubber composition including carbon black-based and silica-based reinforcing fillers
A process for producing a vulcanizable rubber composition containing silica and carbon black, comprises the step of intimately mixing at a temperature of from 130° to 180° C. at least a first...
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6204322 |
Silica-filled elastomer composition which can be used for tires
A sulfur-vulcanizable rubber composition which in vulcanized state is of improved hysteresis, comprising silica as reinforcing filler and a polymer which is coupled and/or starred by means of an...
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6139675 |
Process of manufacturing a water-based adhesive bonded, solvent resistant protective laminate
Disclosed is a process of manufacturing a water-based adhesive bonded, solvent resistant protective laminate utilizing the steps of: providing a film having a first surface and a second surface;...
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6084025 |
Reduced hysteresis products prepared with anionic polymerization initiators
A functionalized polymer prepared by a process comprising the steps of preparing a solution of a cyclic amine compound, an organolithium compound, and from 3 to about 300 equivalents, based upon...
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6025450 |
Amine containing polymers and products therefrom
A functionalized polymer includes a polymer chain carrying at least one functional group selected from alkyl, dialkyl and cycloalkyl amine radicals having the general formula ##STR1## and cyclic...
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6020441 |
Hydroformylation of ethylenically unsaturated polymers in aqueous dispersion
Polymers containing ethylenically unsaturated double bonds are hydroformylated by reacting aqueous dispersions of the polymers with hydrogen and carbon monoxide in the presence of suitable...
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6017985 |
Hydrosilated crystalline high trans polybutadine with silica filler, tires having a base of said composition and method of preparing same
Novel silicon-containing derivatives of crystalline, high-trans-1,4 polybutadiene in which organosilicon-containing groups are bonded to the 1,2-vinyl carbon atoms along the main chain of the...
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5994434 |
Adhesion promoter composition and adherent rubber composition containing the same
An adhesion promoter composition containing a Zn, K, Al, Ti or Zr metal salt of an organic acid and at least one of a hydrous inorganic salt and an organic molybdenum compound. The adhesion...
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5959048 |
Soluble anionic polymerization initiators for preparing functionalized polymer
An acyclic alkane soluble anionic polymerization initiator includes a mixture of from about 90 to about 10 parts by weight of a lithio amine having the general formula A 1 Li and from about 10 to...
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5936029 |
Macrocyclic polymers having low hysteresis compounded properties
The present invention provides a method of anionic synthesis of stable macrocyclic polymers that are compounded to form vulcanizable elastomeric compounds exhibiting reduced hysteresis properties....
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5925713 |
Silica-filled elastomer compositions which can be used for tires
A sulfur-vulcanizable rubber composition which in vulcanized state is of roved hysteresis, comprising silica as reinforcing filler and a polymer which is coupled and/or starred by means of an agent...
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5916961 |
Amine-initiated elastomers having hysteresis reducing interaction with silica
The reduction of hysteresis in a silica-filled, vulcanized elastomeric compound is produced by mixing diene monomer and optionally monovinyl aromatic monomer with a lithium amine initiator and,...
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5905095 |
Used tire process
A method of processing used tires and the recovery of the products thereof. The process includes adding shredded automobile tire to a bath containing a combination of isocyanide, polyurethane,...
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5895798 |
Liquid rubber composition
A liquid rubber composition including a 1,2-polybutadiene resin component dispersed in the form of fine particles in a liquid rubber component in a weight ratio of 1:100 to 50:100 has a high...
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