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WO/2012/046167 |
A process for the preparation of diene polymers or vinylarene-diene statistical (random) copolymers which comprises the anionic (cp) polymerization, in hydrocarbon solvents, of at least one monomer of a conjugated diene, optionally in th...
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WO/2012/039124 |
The present invention provides a method for producing, without using an organotin compound, a terminal acrylic-modified polybutadiene or terminal acrylic-modified hydrogenated polybutadiene that will not turn cloudy. The production metho...
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WO/2012/039466 |
Provided is a solid polymer separator (1) which comprises a cylindrical screen (11) provided with a number of slits, a driving unit for circumferentially rotating the screen (11), a helical guide plate provided in the inner circumferenti...
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WO/2012/040026 |
A method for producing a polydiene, the method comprising the steps of: (i) forming an active catalyst by combining a lanthanide-containing compound, an alkylating agent, and a halogen source in the substantial absence of an amine; and (...
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WO/2012/017705 |
A polychloroprene latex, with which a rubber-asphalt composition having excellent stability at a low temperature and excellent properties of forming a film on an adherend is obtained; a rubber-asphalt composition and a construction metho...
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WO/2012/013697 |
This invention relates to a process for the hydrogenation of diene-based copolymers in the presence of cata!ysts on specific carrier materials containing at least one hyper-branched polymer.
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WO/2012/008298 |
The present invention relates to: an isoprene oligomer composed of a trans structural moiety represented by formula (1) and a cis structural moiety, wherein at least one of atoms or groups of atoms contained in the trans structural moiet...
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WO/2011/159448 |
Butadiene polymers are brominated using tetraethylammonium tribromide as the brominating agent. The bromination is performed in a solvent for the starting polymer and for the tetraethylammonium bromide that is formed as a reaction byprod...
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WO/2011/117302 |
The present invention relates to water and solvent-free polymers, in particular water and solvent-free synthetic rubber products like styrene butadiene rubber products and butadiene rubber products as well as a process for the production...
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WO/2011/116103 |
The present disclosure relates to methods of modifying natural rubber latex and products manufactured from same. In an embodiment, an inflatable latex balloon comprises an aluminum hydroxide-modified natural rubber latex envelope. In an ...
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WO/2011/109563 |
An ethylene-based polymer composition has been discovered and is characterized by a Comonomer Distribution Constant greater than about 45. The new ethylene-based polymer compositions are useful for making many articles, especially includ...
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WO/2011/102518 |
Disclosed are a polybutadiene having a controlled microstructure, a narrow molecular weight distribution, minimal gel content, and a low APHA color, a modified polybutadiene, preparation methods for both, and a rubber-reinforced styrene ...
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WO/2011/094094 |
The present invention provides for a composition that includes a hydrogenated styrenic block copolymer that has at least one block A and at least one block B, and about 10 to about 90 percent by weight of an styrene-isobutylene-styrene b...
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WO/2011/087841 |
An oxolanyl compound-containing composition comprising specified amounts of the meso-isomer of one or more of the oxolanyl compounds of specified structure is provided. Also provided are methods for the use of such compositions as vinyl ...
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WO/2011/085202 |
An elastomeric thermoplastic non-vulcanized terpolymer composition formed from acrylonitrile, styrene, and liquid 1,3-butadiene is disclosed herein. The terpolymer can have from 20 percent by weight to 50 percent by weight of the acrylon...
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WO/2011/085207 |
High structure carbon black-styrene butadiene compositions and methods for making such are provided herein. In addition, articles made from the high structure carbon black-styrene butadiene compositions are also provided. The method can ...
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WO/2011/076377 |
The invention provides a first composition comprising at least the following: i) a modified polymer comprising at least one branched modified polymer macromolecule (b1) and at least one linear modified polymer macromolecule (a1), and whe...
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WO/2011/071119 |
A method for producing a conjugated polymer which comprises electrolytically polymerizing a monomer using a thermotropic liquid crystal composition as a reaction field. The thermotropic liquid crystal composition has a solid-liquid cryst...
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WO/2011/066959 |
The invention provides a catalyst system comprising: A) cobalt II carboxylate, and B) at least one co-catalyst of the following Structure A wherein n is from 1 to 10, preferably from 1 to 6, and more preferably from 1 to 4; each R is ind...
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WO/2011/066405 |
A process for producing functional polymer, the process comprising the steps of reacting an anionic initiator including a functional group with a stabilizing monomer to produce a stabilized initiator, reacting the stabilized initiator wi...
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WO/2011/047220 |
A process for making a substantially saturated dendritic hydrocarbon polymer. The process has the following steps: (a) polymerizing an amount of one or more alkadiene monomers and/or one or more alkenylaromatic polymers under anionic con...
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WO/2011/040881 |
This invention relates to the polymerization of vinyl monomers by atom transfer radical polymerization (ATRP) using metal salts in ppm molar quantities. It relates to the polymerization under ATRP conditions using unimolecular ligand-ini...
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WO/2011/039737 |
A method used for the preparation of a composite article includes placing a plurality of dicyclopentadiene (DCPD) monomers and ruthenium,[1,3-bis-(2,4,6-trimethylphenyl) imidazolidinylidene] dichloro (phenylmethylene)(tricyclohexylphosph...
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WO/2011/040312 |
Disclosed is a modified conjugated diene polymer and a modified conjugated diene polymer composition which yield a vulcanizate exhibiting excellent processability, an excellent balance between wet skid resistance and low hysteresis loss,...
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WO/2011/028523 |
A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer with a lanthanide-based catalyst system in the presence of a vinylsilane, an allylsilane, or an allylvinylsilane.
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WO/2011/028523 |
A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer with a lanthanide-based catalyst system in the presence of a vinylsilane, an allylsilane, or an allylvinylsilane.
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WO/2011/014594 |
Functionalized peptide monomers, peptides that have been functionalized to contain a polymerization moiety, are disclosed. The use of these functionalized peptide monomers to form peptide polymers which are useful as synthetic surfaces c...
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WO/2011/008501 |
A group of compounds defined by the general formula (I) can be used to anionically initiate polymerization of unsaturated monomers. In the formula, M is an alkali metal atom, R1 is an aryl group having at least one OR2 substituent group ...
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WO/2011/008501 |
A group of compounds defined by the general formula (I) can be used to anionically initiate polymerization of unsaturated monomers. In the formula, M is an alkali metal atom, R1 is an aryl group having at least one OR2 substituent group ...
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WO/2011/008501 |
A group of compounds defined by the general formula (I) can be used to anionically initiate polymerization of unsaturated monomers. In the formula, M is an alkali metal atom, R1 is an aryl group having at least one OR2 substituent group ...
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WO/2011/004860 |
Disclosed is a polychloroprene latex having highly excellent adhesion properties. Chloroprene is polymerized, optionally together with a monomer copolymerizable with chloroprene, in the presence of a surfactant in an aqueous medium which...
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WO/2011/004805 |
Provided are a polychloroprene latex composition which exhibits excellent mold release properties in dip forming and which can yield products of forming that have excellent softness, a process for the production of the same, and products...
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WO/2011/002830 |
Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing diphenylethylene-type functionalities. The functionalities can be incorporated by using any or all of app...
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WO/2011/002830 |
Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing diphenylethylene-type functionalities. The functionalities can be incorporated by using any or all of app...
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WO/2011/002830 |
Vulcanizates with desirable properties can be obtained from compounds incorporating polymers that include hydroxyl group-containing diphenylethylene-type functionalities. The functionalities can be incorporated by using any or all of app...
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WO/2010/151648 |
A process for preparing a polydiene, the process comprising the step of polymerizing conjugated diene monomer in the presence of a dihydrocarbyl ether, where said step of polymerizing takes place within a polymerization mixture that incl...
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WO/2010/147011 |
Provided are a polychloroprene having a narrow molecular weight distribution, a process for the production of the same, and adhesives containing the same. The process comprises subjecting chloroprene or a mixture of chloroprene and a mon...
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WO/2010/131646 |
Disclosed is a method for producing a radial conjugated diene polymer, comprising polymerizing a monomer mixture containing at least a conjugated diene compound using an alkali-metallated aromatic compound having three or more carbon ato...
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WO/2010/125072 |
The present invention relates to a multi-component catalytic system which can be used for 1,4-cis stereospecific polymerisation of conjugated dienes. The system is made up of (i) a rare earth complex with formula (II) Ln(A)3(B)n, in whic...
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WO/2010/123607 |
Materials prepared from polydienes, such as poly(cyclohexadiene), and hydrophilic polymers, such as poly(alkylene oxide), are described. Methods of making the materials and their use in fuel cell membranes, batteries, breathable chemical...
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WO/2010/123607 |
Materials prepared from polydienes, such as poly(cyclohexadiene), and hydrophilic polymers, such as poly(alkylene oxide), are described. Methods of making the materials and their use in fuel cell membranes, batteries, breathable chemical...
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WO/2010/123607 |
Materials prepared from polydienes, such as poly(cyclohexadiene), and hydrophilic polymers, such as poly(alkylene oxide), are described. Methods of making the materials and their use in fuel cell membranes, batteries, breathable chemical...
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WO/2010/118958 |
The invention relates to a system (10) and a method for producing a polychloroprene-based polymer dispersion, comprising the steps of carrying out a polymerization of chloroprene to polychloroprene in an emulsion up to a maximum solids c...
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WO/2010/104037 |
A polymer having a low LUMO, high charge-transporting properties, and high solubility in solvents. The polymer has a repeating unit represented by formula (I). [In formula (I), Ar0 represents an optionally substituted aromatic ring or an...
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WO/2010/099201 |
Isobutene, isoprene, and butadiene are obtained from mixtures of C4 and/or C5 olefins by dehydrogenation. The C4 and/or C5 olefins can be obtained by dehydration of C4 and C5 alcohols, for example, renewable C4 and C5 alcohols prepared f...
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WO/2010/094590 |
The present invention relates to an initiator system for synthesizing high-vinyl diene rubbers, to a method for producing diene homopolymers and diene copolymers having a high vinyl content at high polymerization temperatures, and to the...
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WO/2010/074255 |
Disclosed is a process for producing a conjugated diene polymer having an extremely high 1,4-cis structure content using an yttrium compound-containing catalyst that is relatively easy to handle and has a high activity. Specifically disc...
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WO/2010/072761 |
The present invention relates to a novel initiation system for preparing a live diene elastomer functionalised at the chain end by an amino group by anionic polymerisation. The novel initiation system includes an organolithium reagent co...
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WO/2010/069511 |
The invention relates to a method for preparing a functionalised diene elastomer, in particular a functionalised polybutadiene with a high cis-1,4 chaining rate having both a high Mooney viscosity and a low polydispersity index. The meth...
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WO/2010/071037 |
Provided is a conjugated diene polymer with a very low solution viscosity, improved workability, a high degree of branching, and a high cis-1,4 structure content, which utilizes a catalyst containing an yttrium compound. Also provided is...
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