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Matches 201 - 250 out of 731

Document Document Title
WO/1995/016650A1
Alpha,omega-diene oligomers which are useful as synthetic lubricants are prepared by oligomerizing an alpha,omega-diene using an organoaluminum.  
WO/1995/015346A1
Low viscosity poly(isoprene)polymers bearing one or two terminal hydroxyl groups having a molecular weight from 1000 to 20000, a polydispersity less than 2. The anionic polymerization of isoprene with monolithium initiators and functiona...  
WO/1995/004026A1
Compounds of general formula (I) characterised in that R1 and R2 are independently selected from the group consisting of COOR, CN, aryl, substituted aryl, COOH, halogen, C(O)NHR4, C(O)NR5R6; X and Y are independently selected from the gr...  
WO/1995/004109A1
Aqueous dispersions which are particularly well suited for use as aqueous ink jet ink compositions having an aqueous carrier medium which comprises water or a mixture of water and at least one organic solvent; a particulate solid, prefer...  
WO/1994/020553A1
Hydrogenated butadiene polymers having terminal silyl groups are prepared from a (4-vinylphenylene)dimethyl(t-butyl)silyl ether which is added to the polymer chain as a silyl ether initiator or an endcapping agent, or both. The silyl gro...  
WO/1992/016568A1
The present invention relates to hydrogenated polybutadiene comprising monomeric units of 1,4-butadiene and 1,2-butadiene addition products. The copolymer is hydrogenated and comprises at least 10 % by weight of at least one crystallizab...  
WO/1991/007446A1
Anionically polymerizable monomers containing at least one silicon or titanium atom for polymeric photoresists for use in microlithography. The monomers are of formula (I), wherein A is -H or -CH=CH¿2?; X is a strong electron withdrawin...  
WO/1991/004284A1
New hexafluorobutadiene prepolymers of the following formula and hardenable material prepared therefrom: R-(CF2-CF=CF-CF2)n-H, wherein R represents fluorine or a residue of an anionic polymerization initiator, and n is 4 to 6,000. A mate...  
WO/1986/002931A1
1,3-pentadiene is polymerized from a mixture of saturated and unsaturated hydrocarbon compounds, the compounds having primarily 5 carbon atoms per molecule, with an anionic polymerization initiator. The mixture of saturated and unsaturat...  
JP2023184528A
To provide prophylactic devices, such as condoms, finger cots and polymeric gloves that are thin, strong and non-allergenic.A method for producing a polymeric article comprises: disposing on a former an elastomeric coating of a Ziegler-N...  
JP7404350B2
A method for manufacturing a polyisoprene, wherein it comprises a process of polymerizing isoprene under the presence of a polymerization catalyst composition containing a half metallocene cation complex represented by following general ...  
JP7376504B2
A polybutadiene composition which enables the achievement of a rubber material that has excellent crack propagation resistance and a method for producing this polybutadiene composition are provided. A polybutadiene composition is produce...  
JP2023147371A
To provide a polybutadiene composition comprising a syndiotactic 1,2-polybutadiene and a cis-1,4-polybutadiene having high linearity, and further, to improve low fuel consumption while maintaining hardness in a rubber composition compris...  
JP7334965B2
Provided are: a polycarbonyl compound, and a derivative of said polycarbonyl compound. The polycarbonyl compound includes a chemical structure represented by formula (1n). Also provided are: a furan compound including a chemical structur...  
JP7317840B2
Process for the preparation of polyisoprene with a mainly alternating cis-1,4-alt-3,4 structure comprising polymerizing isoprene in the presence of a catalytic system comprising:(a) at least one pyridyl iron complex having general formul...  
JP7302968B2
Provide is a polymer that can provide excellent toughness and weather resistance to a rubber composition and a rubber product such as a tire. The multicomponent copolymer contains a conjugated diene unit, a non-conjugated olefin unit and...  
JP2023527177A
A liquid polybutadiene, a method for producing the same and a use thereof, wherein the liquid polybutadiene has a number average molecular weight of 2500 to 5500, a molecular weight distribution index of 1 to 1.2, and a 1,2-structural un...  
JP7249845B2
To provide a new method for producing a granule and a new granule, which are excellent in dispersibility to a matrix resin and suppress occurrence of a foreign matter.A method for producing a granule that obtains a granule includes: a re...  
JP2023026909A
To provide a film for an electronic apparatus and a printed circuit board that secures heat resistance and adhesion in an assembly process to achieve a low dielectric constant and a dielectric tangent.A film for an electronic apparatus h...  
JP7140212B2
A pneumatic tire having a tire component prepared by use of a rubber composition according to the present invention which comprises: a polybitadiene (i) which satisfies conditions of (A) a Mooney viscosity (ML 1+4, 100°C ) of 43 to 70, ...  
JP2022119431A
To provide a polybutadiene composition capable of obtaining a rubber composition excellent in abrasion resistance and low-fuel consumption, and a production method of the same.A polybutadiene composition includes a high molecular weight ...  
JP7101813B2
The present invention relates to a method of separating an organic solvent which may easily separate and recover an organic solvent from a mixed solution containing the organic solvent, and an organic solvent separation system capable of...  
JP2022528320A
The present invention relates to a modified conjugated diene-based polymer having excellent processability and excellent tensile strength and viscoelastic properties, and a rubber composition containing the same, and a unit derived from ...  
JP7031003B2
This rubber composition is characterized by containing: 100 parts by mass of a rubber component (A)+(B) that includes 1-50 parts by mass of a vinyl cis-polybutadiene rubber (A) containing 35-99 mass% of 1,2-polybutadiene having a melting...  
JP2022034108A
To provide syndiotactic-1,2-polybutadiene particles in which a metal content is reduced and coloring is reduced, and a production method thereof, and to provide a washing method of syndiotactic-1,2-polybutadiene particles capable of obta...  
JP7027564B2
This vinyl cis-polybutadiene rubber is characterized by containing 35-99 mass% of 1,2-polybutadiene having a melting point of 150-195°C.  
JP7003570B2
To provide a rubber composition for studless tires which is mainly intended for use in a tread part of a studless tire and achieves both on-ice performance and wear resistance performance at a high level.The rubber composition for studle...  
JP2021187906A
To provide a nitrile rubber composition capable of giving a rubber crosslinked product excellent in oil resistance, cold resistance and wear resistance.Provided is a nitrile rubber composition which contains: a carboxyl group-containing ...  
JP2021527156A
The present invention relates to a procedure of polymerization in a solution for producing a polymer, wherein the procedure is between 70% by weight and 90% by weight based on one or more monomers and a reagent mixture. The amount of one...  
JP6897162B2
To provide a rubber composition for tire, which shows excellent operation stability and rolling resistance performance when a tire is formed, and a pneumatic tire that uses the rubber composition for tire.A rubber composition for tire co...  
JPWO2019124223A1
To obtain a crosslinked molded article suitable for obtaining a crosslinked molded article by injection molding, which can shorten one cycle in injection molding and has less compression set. And to provide a crosslinked molded article w...  
JP2020532618A
The polymeric article comprises an elastomer layer containing cured synthetic polyisoprene particles containing polyisoprene catalyzed by Ziegler-Natta. [Selection diagram] Fig. 1  
JP6784447B2
A process for preparing a blend of cis-1,4-polybutadiene and syndiotactic 1,2 polybutadiene, the process comprising the steps of (i) polymerizing 1,3-butadiene in the presence of a lanthanide-based catalyst to form a polymerization mixtu...  
JP2020164578A
To provide a production method for an emulsified polymer capable of effectively in a short time, removing a scale adhered to the inside of a container for emulsion polymerization.A production method for an emulsified polymer in at least ...  
JP2020139171A
To synthesize an interpolymer from various mers and/or preparable amounts of mers thereby preventing supply and price destruction of any of monomers.A method for preparing functionalized polymer comprises (a) preparing a catalyst composi...  
JP6701764B2
To provide a vinyl-cis-polybutadiene rubber that is excellent particularly in crack resistance, when formed into a rubber composition, and a method for producing the same.There is provided a vinyl-cis-polybutadiene rubber which is a viny...  
JPWO2019003744A1
A film molded product obtained by cross-linking a latex composition containing a polymer latex and sulfur, which is unreacted without being bonded to the polymer with respect to 100% by weight of the total amount of sulfur contained in t...  
JP2020063352A
To provide a pneumatic tire having excellent cut resistance and Blooming resistance.A pneumatic tire is provided with an inner pad constituted from a rubber composition containing a rubber constituent containing a multi-component copolym...  
JP2020026440A
To provide a polybutadiene rubber excellent in resilience while maintaining good processability.The polybutadiene rubber contains polybutadiene (A) satisfying conditions of branch degree of 3.5 or more, weight average molecular weight of...  
JP6631923B2
A process for preparing a blend of cis-1,4-polybutadiene and syndiotactic 1,2 polybutadiene, the process comprising the steps of (i) polymerizing 1,3-butadiene in the presence of a lanthanide-based catalyst to form a polymerization mixtu...  
JP2019206649A
To provide a vinyl-cis polybutadiene rubber capable of improving tensile stress without damaging productivity even if a blending amount of carbon black is increased or a fiber or a resin is not compounded.A vinyl-cis-polybutadiene rubber...  
JP6612531B2  
JP6587782B1
An object of the present invention is to provide a heat-expandable microsphere capable of obtaining resin hollow particles capable of suppressing deformation such as tearing or denting of the outer shell against a high pressure load, and...  
JP6577482B2
The present invention relates to organic electronic devices, and more specifically to organic field effect transistors, comprising a dielectric layer that comprises a polycycloolefinic polymer with an olefinic side chain.  
JP2019151721A
To provide a method for producing a 1,2-polybutadiene capable of mass-producing a 1,2-polybutadiene having a high melting point.There is provided a method for producing a 1,2-polybutadiene which comprises: a first step of polymerizing 1,...  
JP2019056073A
To provide a vinyl-cis-polybutadiene rubber which can further improve a tensile stress without impairing workability without increasing carbon black and blending a fiber and a resin.A vinyl-cis-polybutadiene rubber is mainly composed of ...  
JP6450464B2
A represents a divalent nitrogen-containing saturated cyclic group (that may have a substituent) formed by removing two hydrogen atoms from piperidine or piperazine, a phenylene group that may have a substituent, or a trans-1,4-cyclohexy...  
JP6304163B2  
JP2018505918A
A method for producing polyisoprene, which is a step of preparing a lanthanide-based catalyst preformed in the presence of 1,3-butadiene, and a polymerization mixture by introducing the preformed catalyst into isoprene. The step of formi...  
JPWO2016174875A1
A method for producing polyisoprene, which comprises polymerizing isoprene by using an isoprene-containing composition containing isoprene and an oxygen-containing neutral compound and a polymerization catalyst composition containing a r...  

Matches 201 - 250 out of 731