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7476712 |
Film and process for producing the same
The invention is directed to a film which comprises a poly(carboxylic acid) polymer and a polyvalent metal compound, which is endowed with excellent gas barrier property against, for example...
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7462677 |
Sulfur containing initiators for anionic polymerization of monomers
An initiator is presented for anionically polymerizing monomers, to provide a functional head group on the polymer. A polymer having a functional head group derived from a sulfur containing anionic...
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7288594 |
Process for producing modified polymer modified polymer obtained by the process and rubber composition
Provided is a process for producing a modified polymer, characterized by carrying out primary modification in which a hydrocarbyloxysilane compound is reacted with the active site of a polymer...
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7232528 |
Surface treatment agent for copper and copper alloy
The surface treatment agent for copper and copper alloys contains hydrogen peroxide, a mineral acid, an azole compound, silver ion and a halide ion. The surface treatment agent for copper and...
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7153919 |
Use of sulfur containing initiators for anionic polymerization of monomers
An initiator is presented for anionically polymerizing monomers, to provide a functional head group on the polymer. A polymer having a functional head group derived from a sulfur containing anionic...
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7119151 |
Antimicrobial agent and production process thereof
An antimicrobial agent utilizes a resin having acrylonitrile and styrene and/or a conjugated diene as units. The antimicrobial agent includes a metal-salt-containing copolymer, and the...
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6927269 |
Functionalized elastomers
This invention discloses a rubbery polymer which is comprised of repeat units that are derived from (1) at least one conjugated diolefin monomer, and (2) at least one functionalized monomer having...
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6903163 |
High melt swell polymer
The present invention relates to high melt swell partially neutralized alpha olefin acid copolymers. It also relates to a process for making such high melt swell polymers as well as for covalently...
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6872783 |
Method of preparation of coupled branched and linear polymer compositions
A continuous process for manufacture of a polymer including branched and linear components comprising first polymerizing conjugated diene(s) in the presence of an organometallic initiator to a...
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6727323 |
Process for reducing odor emission in aqueous polymer dispersions and in polymer powders
A process for reducing odor emission in aqueous polymer dispersions and in polymer powders comprises admixing an aqueous dispersion of a polymer obtained by free-radical polymerization of one or...
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6703451 |
Superabsorbent resin composition
A superabsorbent resin composition comprising the following components components (A) and (D), wherein (A) is a superabsorbent resin, and (D) a coordination compound in which a chelating agent is...
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6680082 |
Mixed-metal-neutralized-copolymer-resins for metal coating powder applications
The present invention relates to neutralized copolymer resins having at least two different metals with one of the metals being zinc. These mixed metal resins are transformed into particulate or...
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6670424 |
Ross-linked sulphonated polymers and their preparation process
The present invention is concerned with cross-linked sulfonated polymers, eventually perfluorinated, and their preparation process. When molded in the form of membranes, the polymers are useful in...
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6653430 |
Butadiene polymers and process for producing conjugated diene polymers
A butadiene polymer (i) having a cis bond unit content of at least 50% based on the total butadiene units, a number average molecular weight (Mn) of 1,000 to 10,000,000, and at least 80%, based on...
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6639048 |
Method for reducing the quantity of residual monomers in aqueous polymerisate dispersions
A process for reducing the residual monomer amount in aqueous polymer dispersions comprises aftertreating with a redox initiator system.
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6569911 |
Manufacturing method and article produced by the method
A method of manufacturing a support media from a cross-linked polymerisate based on vinyl compounds, and exhibiting residual vinyl groups. The characteristic feature of the method is that the...
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6559242 |
Surface activation and coating processes of a thermoplastic olefin using an aqueous immersion bath and products produced thereby
An aqueous immersion bath contains a water-soluble peroxide compound and a transition metal salt and is used to activate the surface of a thermoplastic olefin prior to the application of a coating...
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6515087 |
Synthesis of elastomers having low hysteresis
It is important for rubbery polymers that are used in tires, hoses, power transmission belts and other industrial products to have good compatibility with fillers, such as carbon black, silica,...
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6512058 |
Method of producing modified vinyl ether polymers
This invention relates to a method of producing modified vinyl ether polymers, wherein vinyl ether polymers comprising recurring units of general formula (I) where R represents a C 2 -C 4 alkyl...
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6469106 |
Process for producing modified diene polymer rubber
There is provided a process for producing a modified diene polymer rubber, which comprises the steps of: (i) polymerizing a conjugated diene compound, or a combination of a conjugated diene...
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6462138 |
Method for reducing residual monomers in liquid systems by adding an oxidation-reduction initiator system
A process is described for reducing the residual monomer content in a liquid solution, mixture, melt, suspension or dispersion of a polymer by postpolymerization with addition of a redox initiator...
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6444760 |
Method of reducing the content of residual monomers in aqueous polymer dispersions
A process is described for effectively reducing the residual monomer content of an aqueous polymer dispersion by aftertreatment at atmospheric pressure or above with an initiator system comprising...
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6433105 |
Process for desolventizing low molecular weight diene polymers
A butadiene-type polymer suitable for use as a processing aid in a rubber composition is formed by polymerizing butadiene or other conjugated diene monomers in a solvent, such as hexane, to form a...
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6387291 |
Leather coating binder and coated leather having good embossability and wet-flex endurance
An aqueous leather coating composition and a method for coating leather with the aqueous coating composition are provided. The aqueous coating composition contains an aqueous emulsion polymer which...
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6362286 |
Molecular weight reduction of olefin copolymers using low-sulfur oils
A method for reducing the molecular weight of olefin copolymers comprises contacting an olefin copolymer and a base oil containing less than about 0.05 wt. % sulfur in the presence of oxygen and at...
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6359102 |
Biphasic polymerization process
Improvements are disclosed for biphasic polymerization processes in which an aqueous solution of a first monomer that is hydrolytically unstable below a pH of about six or above a pH of about eight...
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6313232 |
Continuous addition of tin halides to solution SBR
A method of continuously polymerizing a conjugated diene monomer and a vinyl aromatic hydrocarbon monomer in a hydrocarbon solvent by using an organolithium initiator, adding to the polymerization...
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6288161 |
Barrier compositions and articles made therefrom
Improved oxygen barrier and oxygen absorbing compositions and structures comprising blends of xylylene group-containing polyamides and cobalt octoate and xylylene group-containing polyamides,...
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6245860 |
Rubber composition which contains irregular-shaped hollow inorganic particles and article having component thereof
A rubber composition which contains substantially hollow, irregularly-shaped particles, and/or fragments thereof derived from a surface-modified carbon black aggregate from the which the carbon...
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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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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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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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6075095 |
Process for making tin-coupled rubbery polymers
This invention discloses a process for preparing an asymmetrical tin-coupled rubbery polymer which comprises: (1) continuously polymerizing in a first reactor at least one diene monomer to a...
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6046288 |
Method of preparing a polymer using aliphatic solutions of aminoalkyllithium compounds
A method for reducing the amount of aliphatic solvent needed for maintaining aminoalkyllithium initiators in solution comprising the step of combining at least one aminoalkyllithium compound with a...
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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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5986023 |
Fluoroaluminate AlF.sub.4 compounds
Fluoroaluminate compounds of formula M +n (AlF 4 )n - wherein n is 1 to 3 and M +n is N(R 2 ) 4 , P(R 2 ) 4 , As(R 2 ) 4 , HN(R 2 ) 3 , H 2 N(R 2 ) 2 , H 3 N(R 2 ), (R 2 ) 3 PNP(R 2 ) 3...
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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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5959041 |
Method of preparation of copolymers of 1,3-butadiene and styrene useful for the production of tires with low rolling resistance and copolymers of 1,3-butadiene and styrene thus obtained
A method of preparation of copolymers of 1,3-butadiene and styrene, useful for the production of tires or elastic materials, characterized by a reduced rolling resistance without detriment to other...
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5958194 |
Gas permeable elastomer contact lens bonded with titanium and/or oxides thereof
A soft or rigid gas permeable silicon elastomer contact lens bonded with either titanium, titanium monoxide, titanium dioxide, dititanium trioxide, trititanium pentoxide, and mixtures thereof to...
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5945486 |
Fluoropolymeric substrates with metallized surfaces and methods for producing the same
Fluoropolymeric substrates with metallized surfaces may be prepared by self-assembly of a chemisorbed layer of a metal ion-chelating organosilane onto a fluoropolymer surface after radio-frequency...
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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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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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5877225 |
Method of reducing the volume of a mixture of resin powder and inert synthetic fibers
A method of reducing the volume of a mixture of filter fibers and a powder-form ion-exchange resin, produces a waste product that is particularly suitable for ultimate disposal. A solvent which...
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5866650 |
Composition of cyclic amine-initiated elastomers and amorphous silica and process for the production thereof
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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5814706 |
Polymeric dispersants via novel terpolymers
Novel terpolymers are disclosed which comprise the reaction product of a high molecular weight olefin, such as polybutene or polypropylene, with an unsaturated acid reactant, such as maleic...
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5804236 |
Oxygen scavenging container
A container composed of a polymer material integrated with an oxygen scavenging agent is disclosed that is suitable for oxygen sensitive contents. The novel container is capable of scavenging...
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5780554 |
Saturated polyolefins having terminal aldehyde or hydroxy substituents and derivatives thereof
A saturated polymer having a terminal aldehyde or hydroxy substituent which may be used directly or in a derivative form as a dispersant for both fuel and lubricating oil compositions, wherein the...
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5753779 |
Chromium-free coating preparation for the treatment of metal surfaces and method making use thereof
An aqueous chromium-free coating preparation for the protection of a metal substrate against corrosion and attack by moisture comprises an acrylic acid or derivative thereof as binder and also a...
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5723533 |
Soluble anionic polymerization initiators and products therefrom
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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