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6429239 |
Redispersible dispersion powder composition, process for its preparation and its use
The invention concerns a dispersion powder composition which is redispersible in water and is made from water-insoluble organic polymers, the composition being characterized in that it contains 0.1...
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6423781 |
Elastomers having a reduced hysteresis via interaction of polymer with silica surfaces
The reduction of hysteresis in a silica-filled, vulcanized elastomeric compound is produced by mixing diene monomer and optionally monovinyl aromatic monomer with an initiator and a coordinator;...
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6420488 |
Coupling system (white filler/diene elastomer) based on polysulphurized alkoxysilane, enamine, and guanidine derivative
The present invention provides for a coupling system (white filler/diene elastomer) for a rubber composition based on diene elastomer reinforced with a white filler, formed by the association of a...
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6420485 |
Siloxane-grafted hydrocarbon copolymers
There is disclosed a silylated copolymer which is the reaction product of: (A) an olefin copolymer prepared from at least 50 mole percent of at least one C 4 to C 7 isomonoolefin monomer and at...
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6410769 |
Granular organosilane preparation, process for the production thereof and use thereof
An organosilane preparation, comprising a mixture of one or more organosilanes and one or more fillers, has a fines content of less than 2%.
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6395830 |
Superabsorbants with controlled absorption speed
The invention relates to hydrophilic, highly swellable polymers for aqueous fluids, e.g. superabsorbants, which are coated with reactive, water-insoluble, film-forming, hydrophobic polymers and an...
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6376615 |
Method for functionalizing a polymer and preparing copolymers and terpolymers
The present invention describes the preparation of copolymers grafted by the so-called “grafting from” method, comprising two steps. In the first step, a polymer of a variable type referred to...
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6375789 |
Powder coatings employing silanes
Powder coating formulations include as a component thereof a silane formula I: where R 1 is a hydrocarbon, acyl, alkylsilyl or alkoxysilyl group; R 2 is a monovalent hydrocarbon group; R 3 is...
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6372858 |
Solid nucleophilic reagent for conversion of benzylic halogen functionality on polymers to other functionalities
A solid nucleophilic reagent for the conversion of benzylic halogen functionality on polymers to other functionalities, and methods of making and using the same.
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6369167 |
Polymer, process for making the polymer, and rubber composition using the polymer
The object of the present invention is to provide a modified diene polymer capable of creating good reinforcing characteristics and filler dispersing effect independently of the kinds of the filler...
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6346637 |
Ether containing siloxy compounds
The present invention relates to compounds of the formula where R 1 , R 2 and R 3 are independently selected from alkoxy radicals having from 1 to 8 carbon atoms; R 4 and R 5 are...
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6344521 |
Protected functionalized diene and alkenyl substituted aromatic silicone triblock copolymers and processes for making the same
Terminally functionalized silicone triblock copolymers prepared using protected functionalized initiators and processes for preparing the same. The silicone triblock copolymers includes protected,...
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6331597 |
Azidosilane-modified, moisture-curable polyolefin polymers, process for making, and articles obtained therefrom
The invention includes a water-curable azidosilane grafted polymer selected from the group consisting of (i) homogeneous ethylene polymers which has a density less than or equal to about 0.900 g/cm...
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6329467 |
Coupled rubbery polymers
It has been unexpectedly found that greatly improved properties for tire rubbers, such as lower hysteresis, can be attained by coupling the rubber with both a tin halide, such as tin tetrachloride,...
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6297320 |
Curable compositions comprising acetoacetoxy and imine functionality
A multi-component curable composition which is reactive upon admixing of the components and which comprises: (i) an acrylic polymer having acetoacetoxy functionality; and (ii) an acetoacetoxy...
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6288158 |
Modified superabsorbent polymer based on polyacrylonitrile emulsions
A process for modifying superabsorbent polymers is disclosed. The surface of a polymer containing hydrolyzed polyacrylonitrile in the form of particulates, is modified by crosslinking in a...
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6281296 |
Curable perfluoroelastomer composition
Perfluoroelastomer compositions comprising perfluoroelastomers having copolymerized units of tetrafluoroethylene, a perfluoro(vinyl ether), and a nitrile-containing cure site monomer are cured with...
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6274689 |
Random isomonoolefin/allyl styrene copolymers and functionalized derivatives thereof
The invention provides a copolymer of an isomonoolefin having from 4 to 7 carbon atoms and containing a copolymerized alkenyl styrene moiety represented by the formula I: ##STR1## where m=0-2,...
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6271309 |
Curable compositions comprising the hydrosilation product of olefin-containing polymers and organosiloxane hydrides, cured compositions made therefrom, and methods of making same
The present invention provides curable compositions comprising the hydrosilation product of olefin-containing polymers and organosiloxane hydrides. The curable compositions may be cured to form low...
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6271315 |
Methods for making multivalent arrays
A method of preparing a multivalent array that includes: polymerizing at least one monomer comprising at least one polymerizable group and at least one latent reactive group in the presence of a...
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6258878 |
One-part moisture-curable hydrocarbon polymer composition
There is disclosed a stable, one-part moisture-curable composition containing: (A) 100 parts by weight of a saturated hydrocarbon polymer having on average more than 2 hydrolyzable silyl groups...
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6255407 |
One-component adhesive
The invention relates to an adhesive comprising a polymer having the following features: a polymeric backbone, alkyl, aryl and/or alkenyl groups attached to the backbone by way of ester...
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6255392 |
Curable composition for top coating and articles coated therewith
A curable topcoat composition comprising (A) 100 to 30 parts by weight of a vinyl copolymer having a main chain substantially composed of a vinyl copolymer, having both at least one specific...
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6245834 |
Use of a combination of silicone compounds as a coupling agent in silica-loaded elastomer compositions
Use of an effective amount of a specific combination of silicone compounds comprising the combination: of at least one functionalized polyorganosiloxane (abbreviated as POS) containing, per...
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6229036 |
Sulfanylsilanes
Sulfanylsilanes of the formula X 1 X 2 X 3 Si--A--S--SiR 1 R 2 R 3 are prepared by reacting mercaptosilanes of the formula X 1 X 2 X 3 Si--Alkyl--SH with chlorosilanes Cl--SiR 1 R 2 R 3...
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6221991 |
Methacrylate and acrylate polymers and processes for making same
Polar polymers having the following formula: FG-(Q) d -R n -Z-J-[A(R 1 R 2 R 3 )] x (I) wherein FG is H or a protected or non-protected functional group; Q is a polar hydrocarbyl group...
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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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6204339 |
Elastomeric composition comprising a blocked mercaptosilane coupling agent and a deblocking agent
This invention describes the use of blocked mercaptosilanes wherein the hydrogen atom of the mercaptan functionality has been substituted to manufacture coating, adhesive, sealant and elastomeric...
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6197891 |
Functionalized chain extended initiators for anionic polymerization
A process for the preparation of hydrocarbon solutions of monofunctional ether initiators of the following general structure: M--Q n --Z--O--[A(R 1 R 2 R 3 )] wherein M is an alkali metal...
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6194516 |
Method for producing hydroxyl-terminated (meth) acrylic polymer
A method for producing a hydroxyl-terminated (meth) acrylic polymer which comprises converting a halogen atom in a terminal structure of the general formula (1) --CH 2 --C(R 1 )(CO 2 R 2 )(X) ...
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6191235 |
Process for the preparation of a redispersible dispersion powder composition
The invention concerns a dispersion powder composition which is redispersible in water and is made from water-insoluble organic polymers, the composition being characterized in that it contains 0.1...
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6184309 |
Selected deprotection of protected functional polymers
A process for removing a protecting group from a polymer. Protected functional groups of a polymer may be deprotected by treating the polymer in the presence of an acid catalyst, including organic...
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6150471 |
Method for processing rubber compositions containing a disodium salt of 2,2'- dithiosalicyclic acid
The present invention relates to rubber compositions containing a disodium salt of 2,2'-dithiosalicyclic acid of the formula: ##STR1##
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6150548 |
Linkers
The invention relates to a compound having the formula I ##STR1## wherein R 1 is hydroxy, (1-6C)alkoxy or NR 4 R 5 , R 4 and R 5 being independently hydrogen, (1-6C)alkyl, (3-7C)cycloalkyl,...
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6133388 |
Process for preparing styrene-butadiene rubber or butadiene rubber by solution polymerization
This invention relates to a process for preparing styrene-butadiene rubber or butadiene rubber with both ends of the polymer chain modified by solution polymerization, wherein styrene-butadiene...
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6126867 |
Nonlinear-optically active copolymers, polymer materials produced from them, and electrooptical and photonic components constructed therefrom
The invention relates to nonlinear-optically active copolymers, to crosslinked NLO polymer materials produced from them and having high orientation stability, and to electrooptical and photonic...
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6127489 |
Silyl linker for solid phase organic synthesis of aryl-containing molecules
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6127472 |
Rubber composition
A rubber composition exhibiting excellent low rolling resistance, high wet skid properties, and superior wear resistance, and suitably used as a vulcanized rubber for tire tread. The rubber...
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6117927 |
Method for producing a rubber composition
A monomer such as butadiene monomer and/or styrene monomer is polymerized using an organic lithium initiator, and the active terminal of a (co)polymer thus obtained is modified with a specific...
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6107413 |
Process for producing flame-retardant, silane-crosslinked polyolefin
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6107384 |
Silica-blended rubber composition and production process for the same
A silica-blended rubber composition comprising 100 parts by weight of sulfur-vulcanizable rubber blended with 10 to 100 parts by weight of silica, 3 to 20% by weight of a silane coupling agent...
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6100339 |
Curable resin and resin composition comprising the same
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6100356 |
Methods of (co)polymerizing vinyl and/or diene monomers and curing or crosslinking polymeric resins using a heteropoly acid peroxide promoter
A method of (co)polymerizing vinyl and/or diene monomers comprising contacting the monomers with a (co)polymeriztion composition under conditions effective to (co)polymerize the monomers, wherein...
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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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6057392 |
Thermomechanically mixing rubber compounds containing an alkyl (C.sub.12 -C.sub.22) ester of a fatty acid
A method is disclosed for processing a rubber composition comprising thermomechanically mixing the rubber composition while maintaining a rubber temperature in a range of from 160° C. to 190° C....
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6054534 |
Silicone poly(meth) acrylates, their preparation and their use in coatings
The present invention relates to silicone poly(meth)acrylates, to a process for their preparation from alkoxysiloxanes and hydroxy-functional poly(meth)acrylates and to their use as an additive in...
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6046349 |
Oligomeric organosilicon compounds, their use in rubber mixtures and for the production of shaped articles
Oligomeric organosilicon compounds are disclosed of the formula I ##STR1## wherein R 1 , R 2 , R 3 independently of one another denote H, (C 1 -C 4 )alkyl, (C 1 -C 4 ) alkoxy, (C 1 -C 4 )...
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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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6001767 |
Heteropoly acid peroxide promoter
The invention disclosed involves the use of heteropoly acids as promoters to decompose organic peroxides.
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5997853 |
Hair conditioning and styling compositions
Hair care compositions which provide improved styling and hair conditioning properties are disclosed. The compositions comprise from about 0.1% to about 10.0% of a specifically-defined silicone...
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