Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 6,769

Document Document Title
WO/2018/004609A1
Rubber compositions having a modified rubber component selected from a modified polybutadiene rubber, a modified styrene-butadiene rubber, or combinations thereof, the modification being with a functional group having a hydrogen bond acc...  
WO/2018/004579A1
Rubber compositions, rubber articles and methods for making such rubber articles that include a rubber composition having, per 100 parts by weight of rubber (phr), a modified rubber component such as an epoxidized rubber component select...  
WO/2017/221943A1
According to the present invention, a modified conjugated diene polymer that has high Mooney viscosity and good shape stability, while exhibiting excellent processability and low heat generation properties is obtained in as few steps as ...  
WO/2017/220925A1
The invention relates to a method for preparing substituted thiolactones of formula (I), new substituted thiolactones of formula (I') that can be obtained by carrying out said method, and the use of substituted thiolactones of formula (I...  
WO/2017/222514A1
Residual hydrogenation catalyst produced from reduction of nitrile rubber is recovered by a chelation step using a chelating agent and a series of extraction using semi-coagulation with polar solvents and an optional washing steps for th...  
WO/2017/216344A1
The present invention relates to a process for preparing a branched elastomeric polymer by polymerization of a conjugated diene in the presence of a specific branching agent and a specific stabilizing compound. The branched elastomeric p...  
WO/2017/217720A1
The present invention provides: a method for preparing a modified conjugated diene-based polymer, capable of preventing the deterioration of processability by inhibiting an increase in Mooney viscosity during post-treatment using high-te...  
WO/2017/207912A1
The present invention relates to a process for drying a natural rubber starting from a wet natural rubber coagulum which is, in a first step, compressed at a temperature ranging from 185°C to 210°C, then, in a second step, is subjected...  
WO/2017/210057A1
Functionalized compounds including residues of one or more 1,1-disubstituted alkene compounds. Preferably the functionalized compound includes the residue of two or more 1,1-disubstituted alkene compounds, which are spaced apart. The fun...  
WO/2017/204154A1
Provided is a catalyst recovery method wherein a solution, which contains a reaction mixture that is obtained by performing a hydrogenation reaction in the presence of a platinum group element-containing catalyst, is brought into contact...  
WO/2017/203830A1
The purpose of the present invention is to provide a terminally modified conjugated diene polymer which has high cis-1, 4- bond content and low molecular weight distribution, while exhibiting excellent durability (wear resistance, fractu...  
WO/2017/203728A1
Provided is an organic silicon compound represented by formula (1), which when added to a rubber composition, can improve the wet traction performance of a cured product of the rubber composition, and significantly reduce a hysteresis lo...  
WO/2017/201397A1
A method for method for preparing a functionalized polymer, the method comprising the steps of preparing an active polymerization mixture including a reactive polymer by polymerizing conjugated diene monomer with a lanthanide-based catal...  
WO/2017/195604A1
The present invention provides a natural rubber having improved workability and/or abrasion resistance, a rubber composition containing the natural rubber, and a pneumatic tire produced using the rubber composition. The present invention...  
WO/2017/195634A1
Provided is a terminal-modified conjugated diene polymer capable of giving rubber articles that have improved fracture resistance. The terminal-modified conjugated diene-based polymer is characterized in that the content of catalyst resi...  
WO/2017/190859A1
The invention relates to a rubber mixture, in particular for vehicle tires, to a vulcanizate of the rubber mixture, and to a vehicle tire. For this purpose, the rubber mixture contains at least the following components: - at least one fi...  
WO/2017/191921A1
The present invention provides: a modifying agent, which comprises a silane-based compound of chemical formula 1 below and can improve the processability of a rubber composition by preventing the agglomeration of and increasing the dispe...  
WO/2017/191174A1
The invention relates to an elastomeric polymer of formula 1, wherein S is a sulfur atom, P is a polymer chain that can be obtained by the anionic polymerization of at least one conjugated diene and optionally one or more vinyl aromatic ...  
WO/2017/187868A1
The present invention addresses the problem of providing a process for producing, at high production efficiency, a modified polymer which corresponds to a blend of a low-molecular-weight polymer with a modified polymer for use as a matri...  
WO/2017/189100A1
This invention relates to a silane-functionalized resin composition having a polymer backbone, wherein the polymer backbone is selected from at least one of C5 homopolymers and copolymer resins, terpene homopolymer or copolymer resins, p...  
WO/2017/161898A1
The present invention relates to a method for industrial production of a butadiene-isoprene copolymer rubber having a trans-1,4-structure (TBIR) and an apparatus for implementing the method. The production method comprises: pumping a pre...  
WO/2017/163552A1
The present invention provides a rubber composition which contains a rubber component having excellent cold flow resistance and is superior in low-loss characteristics and wear resistance to conventional ones. The rubber composition is c...  
WO/2017/159534A1
Provided is a method for producing a polymer latex, the method comprising: a stirring step for adding water to a polymer solution obtained by dissolving a synthetic rubber in an organic solvent, and stirring the water with the polymer so...  
WO/2017/154238A1
An organic silicon compound represented by formula (1) makes it possible to significantly lower the hysteresis loss of a cured product when added to a rubber composition and also imparts a rubber composition with which it is possible to ...  
WO/2017/155335A1
The present invention relates to an anti-reflective film which has one extremum appearing at a 35 nm to 55 nm thickness and one extremum appearing at a 85 nm to 105 nm thickness on a graph showing the result of a Fourier transform analys...  
WO/2017/155338A1
The present invention relates to an anti-reflective film which has at least one peak appearing at a 0.0758 to 0.1256 nm-1 scattering vector (qmax) on a graph showing the log value of scattering strength for the scattering vector defined ...  
WO/2017/154405A1
An organosilicon compound represented by formula (1), which has, per alkoxysilyl group, a plurality of epoxy groups each capable of reacting with an organic resin moiety to form a bond and which hence is useful as a primer, a resin modif...  
WO/2017/150852A1
The present invention provides: an azasilane-based modifier of the following chemical formula 1, capable of readily introducing a filler affinic functional group to a conjugated diene-based polymer chain; a modified conjugated diene-base...  
WO/2017/150199A1
Provided is a method for manufacturing a polymer latex comprising: an emulsification step of mixing a polymer solution resulting from dissolving synthetic polyisoprene and/or a styrene-isoprene-styrene block copolymer in an organic solve...  
WO/2017/145799A1
The purpose of the present invention is to provide: an aromatic vinyl-diene copolymer which exhibits excellent mechanical properties and wear resistance when being formed into a tire; a method for producing the aromatic vinyl-diene copol...  
WO/2017/135177A1
The present invention pertains to a laminated glass obtained by: interposing, between glass plates, a resin sheet comprising a resin composition obtained by blending 100 parts by weight of a specific modified block-copolymer hydride havi...  
WO/2017/127175A1
High Mooney viscosity elastomers having low volatiles content, and processes for producing such elastomers, are provided herein. In particular aspects, the elastomers are metallocene-catalyzed elastomers, such as mEPDM elastomers. Proces...  
WO/2017/121950A1
The present invention relates to a method for modifying a natural rubber, including at least the following steps: i. using at least one natural rubber and epoxidizing said natural rubber to obtain an epoxidized natural rubber, or using a...  
WO/2017/115996A1
The present invention relates to a polymerization initiator represented by chemical formula 1, a modified conjugated diene-based polymer obtained by using the same, preparation methods therefor, a rubber composition containing the same, ...  
WO/2017/111463A1
The present invention relates to a rubber modifier, a conjugated diene polymer comprising a functional group derived from the modifier, and a method for preparing a modified conjugated diene polymer using the modifier. The resulting modi...  
WO/2017/108331A1
Essentially ethylene thiourea free cross linkable composition comprising a chloroprene rubber having defined contents of cations from the second or third main group and resinate anions are provided, which possess improved curing characte...  
WO/2017/111557A1
The present invention relates to a modifying agent useful for polymer modification, a method for preparing a modified conjugated diene-based polymer by using the same, and a modified conjugated diene-based polymer prepared by the method....  
WO/2017/109427A3
The invention relates to a tyre comprising a rubber composition including a substituted diene elastomer, characterised in that the substituted diene elastomer comprises units bearing an A-B radical, in which: A represents a C3-C35 alipha...  
WO/2017/109316A1
The invention relates to a method for preparing a polymer bearing at least one phosphonate group in the polymer chain, said method comprising at least the step of reacting a starting polymer bearing at least one nucleophilic function in ...  
WO/2017/111487A1
The present invention relates to a compound represented by chemical formula 1, a modified conjugated diene-based polymer, of a high modification ratio, containing a functional group derived from the compound, a preparation method therefo...  
WO/2017/111499A1
The present invention relates to: a polymer compound useful as a polymer modifier; a modified conjugated diene-based polymer comprising a functional group derived therefrom; and a method for preparing a modified conjugated diene-based po...  
WO/2017/100923A1
A process for producing an allylic alcohol functionalized butyl rubber involves contacting an epoxidized butyl rubber with benzoic acid, an analogue of benzoic acid or a C1-C7 alkanoic acid. The process and a polymer compound comprising ...  
WO/2017/103769A1
The present invention relates to the industrial sector of extracting and processing natural rubber, and other components, from plant material. In particular, the invention relates to a process for extracting latex, resin and rubber from ...  
WO/2017/100922A1
A process for epoxidation of an unsaturated polymer involves mixing an unsaturated polymer and a peroxy acid in an absence of solvent to produce an epoxidized polymer. The process may require no solvent, require no catalyst, require no o...  
WO/2017/103775A1
The present invention relates to the sector of the industry for extracting and processing natural rubber, and other components, from plant material. In particular, the invention relates to a process for extracting resin and rubber from g...  
WO/2017/105144A1
The present invention relates to a method for preparing a modified conjugated diene-based polymer and, more specifically, provides a method for preparing a modified conjugated diene-based polymer, the method comprising the steps of: (S1)...  
WO/2017/104423A1
In the present invention, a rubber composition in which wear resistance and low heat-generating properties are obtained to a higher degree at the same time is provided through use of a rubber composition characterized by being obtained b...  
WO/2017/105013A1
The present invention relates to a substituted styrene compound which is effective in modifying a polymer expressed by the chemical formula 1 (see specification and scope of claims), a method for producing the compound, a modified polyme...  
WO/2017/105012A1
The present invention relates to a modified polymer with a high degree of modification and superb affinity to fillers, a method for producing the modified polymer, a rubber composition comprising same, and molded products produced from t...  
WO/2017/095563A1
A tire tread manufactured at least in part from a rubber composition that is based upon a cross-linkable elastomer composition comprising between 80 phr and 100 phr of a polybutadiene-based elastomer modified with a functional group that...  

Matches 1 - 50 out of 6,769