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WO/2017/026288A1 |
A conjugated diene polymer having structural units derived from a conjugated diene compound, wherein a conjugated diene polymer having a group represented by formula (1) at the polymer end is used. In formula (1), R1 is a hydrocarbyl gro...
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WO/2017/022856A1 |
The invention provides an alternative method for producing an isoprene monomer. Specifically, the present invention is a method for producing an isoprene monomer including the production of an isoprene monomer from dimethylallyl diphosph...
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WO/2017/023563A1 |
A tackifying resin includes a farnesene-based polymer having monomeric units derived from a farnesene monomer and one or more optional comonomers selected from the group consisting of dienes, branched mono-olefins, and vinyl aromatics an...
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WO/2017/015592A1 |
A functionalized polymer can be prepared by a process that includes reacting (a) an ethylenically unsaturated reactant polymer which, at its terminus, includes Si-containing repeat unit(s) with (b) one or more silanes, at least one of wh...
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WO2017009150A1 |
The present invention relates to a 1,3-dipolar compound bearing at least one phosphorus-containing group and a dipole containing a nitrogen atom, a process for grafting the 1,3-dipolar compound to an unsaturated polymer, a diene polymer ...
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WO/2017/003573A1 |
A low viscosity polymer having a linear or branched backbone derived from farnesene monomers and at least one terminal-end functionalized with a hydroxyl group. This polymer may be further hydrogenated to reduce unsaturation and acrylate...
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WO/2017/002651A1 |
Provided are: a farnesene polymer which includes a farnesene-derived monomeric unit (a), for which the radius of gyration (1/2) and absolute molecular weight (M) in a dilute solution of tetrahydrofuran obtained by size-exclusion chromato...
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WO/2016/209043A1 |
The present invention provides a catalyst composition for preparing a conjugated diene polymer and a conjugated diene polymer prepared by means of same, the conjugated diene polymer comprising a functional group agent in the following ch...
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WO/2016/209046A1 |
The present invention provides a catalyst composition for preparing a conjugated diene polymer and a conjugated diene polymer prepared by means of same, the conjugated diene polymer comprising a functional group agent in the following ch...
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WO/2016/209042A1 |
The present invention provides a catalyst composition for preparing a conjugated diene polymer and a conjugated diene polymer prepared by means of same, the conjugated diene polymer comprising a functional group agent in the following ch...
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WO/2016/209044A1 |
The present invention provides a catalyst composition for preparing a conjugated diene polymer and a conjugated diene polymer prepared by means of same, the conjugated diene polymer comprising a functional group agent in the following ch...
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WO/2016/204575A1 |
The present invention relates to a terminal-modified conjugated diene-based polymer rubber composition and a method for preparing same, the composition comprising a terminal-modified conjugated diene-based polymer characterized by having...
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WO/2016/196233A1 |
In alternative embodiments, provided are non-natural or genetically engineered vinylisomerase-dehydratase enzymes, including alkenol dehydratases, linalool dehydratases and crotyl alcohol dehydratases. In alternative embodiments, provide...
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WO/2016/174875A1 |
A method for producing a polyisoprene, said method being characterized by comprising polymerizing isoprene using an isoprene-containing composition that comprises isoprene and an oxygen-containing neutral compound and a polymerization ca...
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WO/2016/175026A1 |
Provided are: a process for producing, in an industrially simple manner, a diene-based rubber which is reduced in coloring over time, can exhibit high functions, shows excellent activity, and has high quality and high productivity; and a...
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WO/2016/171284A1 |
Provided is a curable liquid developer having sufficient fixability while being a curable liquid developer containing a polymer material. The curable liquid developer includes: a cationic polymerizable liquid monomer including a vinyl et...
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WO/2016/160774A1 |
The present invention provides a process for forming an article from a diene rubber, comprising: providing a raw diene rubber substance comprising 1,2-polybutadiene rubber component; adding to the raw diene rubber substance a peroxide as...
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WO/2016/160787A1 |
The present disclosure relates to a curable transparent rubber composition containing one or more synthetic isoprene polymers, a styrenic block copolymer, a curing agent, and additives that do not influence transparency of the final comp...
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WO/2016/160801A1 |
The present disclosure relates to a solid curable transparent rubber composition containing a styrenic block copolymer having 2 or more poly(vinyl aromatic) blocks, a curing agent and additives. Once cured, the solid curable transparent ...
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WO/2016/160785A1 |
The present disclosure provides a process for preparing a cured transparent rubber composition containing a synthetic isoprene polymer(s), a transparent polymer(s), a curing agent and additives. The process includes mixing the components...
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WO/2016/160781A1 |
The present invention provides a process for forming an article from a diene rubber, comprising: providing a raw diene rubber substance comprising 1,2-polybutadiene rubber component; adding to the raw diene rubber substance a peroxide as...
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WO/2016/158084A1 |
The present invention is capable of attaining a high yield in production of a diene-based polymer. A diene-based-monomer solution is supplied as a starting material to a polymerization tank to produce a diene-based polymer. To the polyme...
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WO/2016/152355A1 |
The present invention is capable of recovering the yield rate when the yield rate gradually becomes lower during production of a conjugated diene polymer. The conjugated diene polymer is produced by using a transition metal catalyst, and...
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WO/2016/143407A1 |
A modified conjugated diene polymer is produced by reacting a conjugated diene polymer having an alkali metal atom or an alkali earth metal atom at a terminal thereof with a compound represented by formula (1). R1 and R2 independently re...
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WO/2016/140043A1 |
A synthetic isoprene polymer latex for dip molding including a synthetic isoprene polymer solution-polymerized using an alkyllithium polymerization catalyst wherein the ratio (mode diameter/median diameter) of the mode diameter and media...
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WO/2016/139935A1 |
The objective of the present invention is to provide a rubber composition which, without reducing workability, exhibits ab excellent low loss factor and wear resistance. In order to achieve this objective, the present invention is char...
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WO/2016/139960A1 |
The purpose of the present invention is to provide a rubber composition having excellent fracture characteristics and wear resistance. To achieve said purpose, the present invention provides a rubber composition that contains silica and ...
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WO/2016/136889A1 |
Provided is a method for preparing a modified conjugated diene rubber, the method comprising: a first step for reacting alkali metal atoms with an aromatic compound which has, in one molecule, 3 or more carbon atoms directly bonded to ar...
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WO/2016/135411A1 |
The present invention relates to a process for preparing a polymer comprising the following steps: (a) an aqueous dispersion containing a catalyst is prepared by mixing in water: a branched surfactant (TAR); and at least one metal M havi...
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WO/2016/131590A1 |
The present invention relates to novel polymerizable multivinylaminosilanes which are useful as branching agents for synthetic and natural rubber. The compounds of the invention can be used as such in the polymerization of conjugated die...
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WO/2016/127355A1 |
A block copolymer, having a structural formula of S1 p-D-S2 q(I), wherein S1 and S2 are independently styrene monomer polymerization blocks, and the weights of S1 and S2 respectively account for 8.0-20.0% of the total weight of the block...
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WO/2016/127356A1 |
A hydrogenated styrene block copolymer thermoplastic elastomer with a cross-linkable rigid block, having a following structure: C1-(Ax-By)n-C2, [C1-(Ax-By)n-C2]m-R or [C1-(Ax-By)n]m-R, and formed by polymerizing an anionic solution. The ...
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WO/2016/108715A1 |
The invention relates to a dilithium initiator for anionic polymerization having functional groups, a method for preparing thereof, and a process for preparing diene rubbers based thereof. The present invention further relates to an e...
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WO/2016/108719A1 |
The invention relates to the field of production of synthetic rubbers, in particular to an anionic (co-polymerization initiator, a method for preparing thereof and a method for preparing functionalized diene (co)polymers by using ther...
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WO/2016/104628A1 |
A modified conjugated diene polymer containing structural units derived from a compound represented by formula (1), and structural units derived from a conjugated diene. When n is 0, at least two of R11, R12, R13, R16, R17 and R18 are...
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WO/2016/099129A1 |
The present invention relates to a method for preparing a diene-based rubber polymer having a relatively low gel content and a high swelling index while having a high polymerization conversion ratio, to a diene-based rubber polymer prepa...
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WO/2016/093671A1 |
The present invention relates to a modified conjugated diene-based polymer represented by a specific chemical formula, a preparation method therefor, and a rubber composition containing the same. [Chemical formula 2] (In chemical formula...
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WO/2016/094848A1 |
This invention relates in certain aspects to a process for removing oxygenates from a stream, preferably a hydrocarbon stream comprising contacting an organosilica material with the hydrocarbon steam, where the organosilica material is a...
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WO/2016/093649A1 |
The present invention relates to: a method for preparing diene-based rubber latex having improved impact strength, gloss, and mobility; the diene-based rubber latex prepared from the method; and an acrylonitrile-butadiene-styrene graft c...
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WO/2016/093496A1 |
The present invention relates to a modifier represented by chemical formula 1, a modified conjugated diene polymer binding thereto, and a method for preparing the same.
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WO/2016/089035A1 |
The present invention relates to: an anionic polymerization initiator characterized in that it is an organic alkali metal compound having an anionic terminal comprising an amine group; a production method for a modified conjugated diene-...
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WO/2016/085134A1 |
The present invention relates to a method for preparing an anionic polymerization initiator and a conjugate diene system copolymer using same, the anionic polymerization initiator being a reaction product of an organometallic compound an...
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WO/2016/085283A1 |
The present invention provides a modified butadiene polymer and a modifying agent that is useful in the production of same, the polymer improving inorganic filler dispersion properties when added to a rubber composition, and improving, i...
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WO/2016/081300A1 |
A method for producing polyisoprene, the method comprising the steps of preparing a preformed lanthanide-based catalyst in the presence of 1,3-butadiene and forming a polymerization mixture by introducing the preformed catalyst to isopre...
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WO/2016/080765A1 |
The present invention provides a 1,4-cis-polybutadiene which has a high linearity with a -stress/relaxation (S/R) value of greater than 1 at 100°C, thereby being capable, when applied to a rubber composition, of reducing resistance char...
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WO/2016/080766A1 |
The present invention provides a method for preparing a conjugated diene-based polymer, the method comprising the steps of: preparing a mixture of a molecular weight regulator and a conjugated diene-based monomer; and performing a polyme...
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WO/2016/068170A1 |
The present invention is a method for producing a conjugated diene polymer that has a halogen atom on a polymer chain end thereof by using living radical polymerization to polymerize at least a conjugated diene monomer. The method is cha...
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WO/2016/068196A1 |
This release sheet 1 has a substrate 12 and a release agent layer 11 that is provided atop the substrate 12. The release agent layer 11 is composed of a cured product of a release agent composition that includes 50 mass% or more of a die...
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WO/2016/039003A1 |
The present invention relates to a rubber composition which is characterized by containing a polybutadiene (α) that has a cis-1,4- structure content of 90% or more, a diene polymer (β) other than the polybutadiene (α), and a rubber re...
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WO/2016/039004A1 |
One embodiment of the present invention relates to a polybutadiene which is characterized by having: a ratio of the 5% toluene solution viscosity (Tcp) as measured at 25°C to the Mooney viscosity (ML1+4) at 100°C, namely (Tcp/ML1+4) of...
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