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公开(公告)号：KR20180053277A
公开(公告)日：2018-05-21
申请号：KR20177036480
申请日：2016-09-06
Applicant: JSR CORP
Inventor： ADACHI TAKUMI , SENGA HIROFUMI , TOYOKAWA FUMIHIRO , NOSAKA NAOYA , MATSUMOTO TAKAOMI , TANAKA RYOJI
Abstract: 인장강도, 저히스테리시스로스특성, 웨트그립특성및, 내마모성을균형좋게겸비한고무재료를제공한다. 부타디엔에유래하는구조단위를갖는공액디엔계중합체의수소첨가물인수소첨가공액디엔계중합체를, 실리카와상호작용하는관능기를측쇄부분에갖는상기공액디엔계중합체를얻는공정과, 상기공액디엔계중합체의상기부타디엔에유래하는구조단위의수소첨가율이 80∼99%가되도록수소첨가하는공정을포함하는방법에의해제조한다.
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公开(公告)号：SG11201804093WA
公开(公告)日：2018-06-28
申请号：SG11201804093W
申请日：2016-11-08
Applicant: JSR CORP
Inventor： ADACHI TAKUMI , SENGA HIROFUMI , MATSUMOTO TAKAOMI , TANAKA RYOJI , TOYOKAWA FUMIHIRO , NOSAKA NAOYA
Abstract: Method for Producing Hydrogenated Conjugated Diene Polymer, Hydrogenated Conjugated Diene Polymer, Polymer Composition, Crosslinked Polymer, and Tire A hydrogenated conjugated diene-based polymer is produced by a method comprising: reacting a conjugated diene- based polymer having an active terminal with a polyorganosiloxane having two or more specific functional groups each being at least one type selected from the group consisting of an epoxy group, an alkoxy group, a carbonyl group, a 2-pyrrolidonyl group, a vinyl group, and a halogen atom; and hydrogenating a modified conjugated diene-based polymer prepared through the reaction. Provided is a polymer composition that comprises a hydrogenated conjugated diene- based polymer produced by the method, silica, and a crosslinking agent. Provided is a crosslinked polymer produced through crosslinking of the polymer composition. Provided is a tire obtained by employing the crosslinked polymer as a tread material, a sidewall material, or both are provided. [No Figure]
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公开(公告)号：BR112013020755A2
公开(公告)日：2016-10-18
申请号：BR112013020755
申请日：2012-02-14
Applicant: JSR CORP
Inventor： OKADA KOJI , TANAKA RYOJI
Abstract: método para produzir uma composição de borracha, composição de borracha, e, pneu o objetivo da presente invenção consiste em prover uma composição de borracha que seja capaz de prover um corpo elástico de borracha, que tem uma baixa resistência ao rolamento e uma excelente resiliência ao impacto; um método para produzir a composição de borracha; e um pneu que tem uma baixa resistência ao rolamento e uma excelente resiliência a impacto. uma composição de borracha da presente invenção é obtida por amassamento de um componente de borracha, que contém de 30 a 95% em massa de um polímero de dieno conjugado (a) e de 5 a 70% em massa de partículas de borracha reticulada (b), e de 20 a 100 partes em massa de sílica (c) por 100 partes em massa do componente de borracha.
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公开(公告)号：SG194610A1
公开(公告)日：2013-12-30
申请号：SG2013078993
申请日：2012-04-17
Applicant: JSR CORP
Inventor： MORITA HIROYUKI , SHIBATA MASAHIRO , TANAKA RYOJI
Abstract: MODIFIED CONJUGATED DIENE RUBBER, METHOD FOR PRODUCING SAME, AND RUBBER COMPOSITIONAbstractA method for producing a modified conjugated diene rubber which can be used as a raw material of a cross-linked rubber which can be used for use in tire treads and the like and can enhance low fuel consumption performance is provided.A method for producing a modified conjugated diene rubber comprising a step (a) of reacting a conjugated diene polymer having an alkali metal or alkaline-earth metal active end, which is obtained by polymerizing a conjugated diene compound or a conjugated diene compound and an aromatic vinyl compound with a hydrocarbyloxysilane compound having one or more of each of the following functional groups (I) and (11) in its molecule to obtain a modified conjugated dienc polymer containing a functional group (II), and a step (b) of mixing the modified conjugated diene polymer obtained in the step (a) and one or more selected from the group consisting of organic acid compounds and organic acid derivatives to obtain the modified conjugated diene rubber.Functional group (I): A hydrocarbyloxysilyl groupFunctional group (II): A nitrogen-containing group in which both of two hydrogen atoms of a primary amino group are substituted with protective groups
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公开(公告)号：SG11201505666PA
公开(公告)日：2015-09-29
申请号：SG11201505666P
申请日：2014-02-27
Applicant: JSR CORP
Inventor： NOSAKA NAOYA , ABE SHIGERU , SENGA HIROFUMI , ADACHI TAKUMI , TANAKA RYOJI
Abstract: Provided is a tire member which is satisfactory in low fuel consumption performance and exhibits higher strength and more excellent abrasion resistance as compared with conventional ones. The tire member is a tire member obtained by subjecting a composition containing a hydrogenated conjugated diene polymer and a crosslinking agent to a crosslinking treatment, wherein the hydrogenated conjugated diene polymer is a hydrogenated product of a conjugated diene polymer that has a structural unit derived from butadiene and has a functional group at one end or both ends and the functional group is one or more groups selected from the group consisting of an amino group, an imino group, a pyridyl group, a phosphino group, a thiol group, and a hydrocarbyloxysilyl group.
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Patent Agency Ranking
公开(公告)号：SG11201403457YA
公开(公告)日：2014-09-26
申请号：SG11201403457Y
申请日：2012-12-19
Applicant: JSR CORP
Inventor： MORITA HIROYUKI , YUASA TAKESHI , TANI KOICHIRO , NOSAKA NAOYA , TANAKA RYOJI , OKADA KOJI
Abstract: A method for producing a modified conjugated diene polymer which can be used as a raw material of a cross-linked polymer used for use in automobile tires and the like, in order to enhance low fuel consumption performance is provided. A method for producing a modified conjugated diene polymer comprising a step of polymerizing a monomer comprising a conjugated diene compound and the like in the presence of a compound represented by the following formula (1) or (2) and an alkali metal compound to obtain a conjugated diene polymer, and a step of reacting the conjugated diene polymer and a compound represented by the following formula (3) to obtain a modified conjugated diene polymer. (In the formulae, R 1 is a hydrocarbylene group. Q is, for example, -N(-A 1 )-. A 1 is a hydrocarbyl group which has no active hydrogen atom and may be substituted with an atom such as N.) (In the formula, E is, for example, a functional group which has no active hydrogen atom and is bound by an atom of N to R 4 . R 2 and R 3 are hydrocarbyl groups. R 4 is a hydrocarbylene group. n is an integer of 0 to 2.)
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公开(公告)号：HUE037617T2
公开(公告)日：2018-09-28
申请号：HUE12859170
申请日：2012-12-19
Applicant: JSR CORP
Inventor： MORITA HIROYUKI , YUASA TAKESHI , TANI KOICHIRO , NOSAKA NAOYA , TANAKA RYOJI , OKADA KOJI
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公开(公告)号：IN4702CHN2014A
公开(公告)日：2015-09-18
申请号：IN4702CHN2014
申请日：2014-06-20
Applicant: JSR CORP
Inventor： MORITA HIROYUKI , YUASA TAKESHI , TANI KOICHIRO , NOSAKA NAOYA , TANAKA RYOJI , OKADA KOJI
Abstract: 1114234A method for producing a modified conjugated diene polymer which comprises: a step wherein a conjugated diene polymer is obtained by polymerizing monomers that include a conjugated diene compound or the like in the presence of an alkali metal compound and a compound represented by general formula (1) or (2); and a step wherein a modified conjugated diene polymer is obtained by reacting the conjugated diene polymer with a compound represented by general formula (3). (In general formulae (1) and (2) R represents a hydrocarbylene group; Q represents for example N( A) ; and A represents a hydrocarbyl group that does not have an active hydrogen atom and may be substituted by an N atom or the like.) (In general formula (3) E represents for example a functional group that does not have an active hydrogen atom and is bonded to R at an N atom; each of R and R represents a hydrocarbyl group; R represents a hydrocarbylene group; and n represents an integer of 0 2.)
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公开(公告)号：SG11201502318TA
公开(公告)日：2015-05-28
申请号：SG11201502318T
申请日：2013-09-18
Applicant: JSR CORP
Inventor： MORITA HIROYUKI , KAWAI TAKAHIRO , YUASA TAKESHI , TANI KOICHIRO , OKADA KOJI , TANAKA RYOJI
Abstract: A modified conjugated diene copolymer, which is obtained by modifying a conjugated diene polymer that has been obtained by polymerizing a conjugated diene compound or by polymerizing a conjugated diene compound and an aromatic vinyl compound, is produced by a production method which comprises a first modification step wherein an unsaturated binding site in the skeleton and/or in a side chain of the conjugated diene polymer is reacted with a first compound that contains a group 4 or group 13 element of the periodic table.
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公开(公告)号：SG11201402767YA
公开(公告)日：2014-09-26
申请号：SG11201402767Y
申请日：2012-11-29
Applicant: JSR CORP
Inventor： MATSUMOTO TAKAOMI , TANAKA RYOJI
Abstract: A rubber composition by which a rubber elastic body having both of excellent low rolling resistance and wet skid resistance and also having excellent mechanical strength and wear resistance can be obtained, a rubber elastic body, a tire, and a block copolymer are provided. The rubber composition of the present invention comprises a block copolymer (A) comprising a block (a-1) of a conjugate diene and an aromatic vinyl and a block (a-2) of a conjugate diene or the diene and an aromatic vinyl, a specific polymer (B) other than the copolymer, and a filler (C), wherein the block copolymer (A) has a specific functional group; the block copolymer (A) has two glass transition temperatures separated from each other by 5°C or more within a range of -100 to 20°C in measurement in accordance with ASTM D3418; and the ratio of the block copolymer (A) is 10% by mass or more when the sum of the block copolymer (A) and the polymer (B) is taken as 100% by mass.
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