-
公开(公告)号：US08580885B2
公开(公告)日：2013-11-12
申请号：US12439769
申请日：2007-09-04
Applicant: Fuminori Ohta , Koji Masaki , Keisuke Kidono
Inventor： Fuminori Ohta , Koji Masaki , Keisuke Kidono
CPC classification number: B60C1/00 , B60C1/0016 , B60C11/14 , C08K3/013 , C08K3/04 , C08K3/36 , C08L7/00 , C08L9/00 , C08L9/06 , C08L15/00 , C08L21/00 , C08L2207/32 , Y02T10/862 , C08L2666/08
Abstract: This invention provides a rubber composition highly balancing flexibility at a low temperature and a low rolling resistance, which is formed by compounding a low-molecular weight conjugated diene-based polymer (B) having at least one functional group, an aromatic vinyl compound content of less than 5% by mass and a weight average molecular weight as measured without terminating by modification through a gel permeation chromatography and converted to polystyrene of not less than 2,000 but less than 150,000 and a filler (C) into a high-molecular weight rubber component (A) having a weight average molecular weight as measured without terminating by modification through a gel permeation chromatography and converted to polystyrene of not less than 150,000.
Abstract translation: 本发明提供了通过将具有至少一个官能团的低分子量共轭二烯系聚合物（B），芳香族乙烯基化合物含量 小于5质量％，并且通过凝胶渗透色谱法改性而不是通过将不小于2,000但小于150,000的聚苯乙烯换算成高分子量橡胶组分的填充剂（C）而不是终止测量的重均分子量 （A）的重均分子量，通过凝胶渗透色谱法进行改性而不终止，转化为不小于15万的聚苯乙烯。
-
公开(公告)号：US20100006199A1
公开(公告)日：2010-01-14
申请号：US12439769
申请日：2007-09-04
Applicant: Fuminori Ohta , Koji Masaki , Keisuke Kidono
Inventor： Fuminori Ohta , Koji Masaki , Keisuke Kidono
CPC classification number: B60C1/00 , B60C1/0016 , B60C11/14 , C08K3/013 , C08K3/04 , C08K3/36 , C08L7/00 , C08L9/00 , C08L9/06 , C08L15/00 , C08L21/00 , C08L2207/32 , Y02T10/862 , C08L2666/08
Abstract: This invention provides a rubber composition highly balancing flexibility at a low temperature and a low rolling resistance, which is formed by compounding a low-molecular weight conjugated diene-based polymer (B) having at least one functional group, an aromatic vinyl compound content of less than 5% by mass and a weight average molecular weight as measured without terminating by modification through a gel permeation chromatography and converted to polystyrene of not less than 2,000 but less than 150,000 and a filler (C) into a high-molecular weight rubber component (A) having a weight average molecular weight as measured without terminating by modification through a gel permeation chromatography and converted to polystyrene of not less than 150,000.
Abstract translation: 本发明提供了通过将具有至少一个官能团的低分子量共轭二烯系聚合物（B），芳香族乙烯基化合物含量 小于5质量％，并且通过凝胶渗透色谱法改性而不是通过将不小于2,000但小于150,000的聚苯乙烯换算成高分子量橡胶组分的填充剂（C）而不是终止测量的重均分子量 （A）的重均分子量，通过凝胶渗透色谱法进行改性而不终止，转化为不小于15万的聚苯乙烯。
-
公开(公告)号：US20110190440A1
公开(公告)日：2011-08-04
申请号：US12529979
申请日：2008-03-05
Applicant: Fuminori Ohta , Koji Masaki
Inventor： Fuminori Ohta , Koji Masaki
CPC classification number: C08L7/00 , B60C1/0008 , B60C1/0016 , B60C1/0025 , C08K3/013 , C08L9/00 , C08L9/06 , C08L2666/08
Abstract: This invention provides a rubber composition being excellent in the workability during production and the heat resistance and high in the storage elastic modulus (G′) and small in the loss tangent (tan δ), which is formed by compounding 1-60 parts by mass of a low-molecular weight conjugated diene-based polymer (B) having a weight average molecular weight as measured through a gel permeation chromatography and converted to polystyrene of 10,000-200,000 and a vinyl bond content in a conjugated diene compound portion of not less than 40% based on 100 parts by mass of a rubber component (A) comprised of at least one selected from the group consisting of natural rubber, polyisoprene rubber, styrene-butadiene copolymer rubber, polybutadiene rubber and isobutylene isoprene rubber, wherein the rubber component (A) comprises natural rubber and/or polyisoprene rubber and a proportion of styrene units in total of the low-molecular weight conjugated diene-based polymer (B) is less than 5% by mass.
Abstract translation: 本发明提供一种橡胶组合物，其制造中的加工性和耐热性优异，储存弹性模量（G'）高，损耗角正切（tanδ）小，通过将1-60质量份 的通过凝胶渗透色谱法测定的重均分子量为10,000〜200000的聚苯乙烯的低分子量共轭二烯类聚合物（B），共轭二烯化合物部分中的乙烯基含量不小于 基于100质量份由选自天然橡胶，聚异戊二烯橡胶，苯乙烯 - 丁二烯共聚物橡胶，聚丁二烯橡胶和异丁烯异戊二烯橡胶中的至少一种组成的橡胶组分（A）为100重量％，其中橡胶组分 A）包含天然橡胶和/或聚异戊二烯橡胶，并且低分子量共轭二烯系聚合物（B）的总量中苯乙烯单元的比例小于5质量％ 屁股。
-
公开(公告)号：US09879129B2
公开(公告)日：2018-01-30
申请号：US12529979
申请日：2008-03-05
Applicant: Fuminori Ohta , Koji Masaki
Inventor： Fuminori Ohta , Koji Masaki
CPC classification number: C08L7/00 , B60C1/0008 , B60C1/0016 , B60C1/0025 , C08K3/013 , C08L9/00 , C08L9/06 , C08L2666/08
Abstract: This invention provides a rubber composition being excellent in the workability during production and the heat resistance and high in the storage elastic modulus (G′) and small in the loss tangent (tan δ), which is formed by compounding 1-60 parts by mass of a low-molecular weight conjugated diene-based polymer (B) having a weight average molecular weight as measured through a gel permeation chromatography and converted to polystyrene of 10,000-200,000 and a vinyl bond content in a conjugated diene compound portion of not less than 40% based on 100 parts by mass of a rubber component (A) comprised of at least one selected from the group consisting of natural rubber, polyisoprene rubber, styrene-butadiene copolymer rubber, polybutadiene rubber and isobutylene isoprene rubber, wherein the rubber component (A) comprises natural rubber and/or polyisoprene rubber and a proportion of styrene units in total of the low-molecular weight conjugated diene-based polymer (B) is less than 5% by mass.
-
5.发明授权Process for producing conjugated diene polymer, conjugated diene polymer, and rubber composition 有权用于制备共轭二烯聚合物，共轭二烯聚合物和橡胶组合物的方法公开(公告)号：US08153723B2
公开(公告)日：2012-04-10
申请号：US12096263
申请日：2006-12-05
Applicant: Takahiro Nakamura , Kouichirou Tani , Ryouji Tanaka , Takuo Sone , Toshihiro Tadaki , Junko Kurazumi , Koji Masaki , Yoichi Ozawa
Inventor： Takahiro Nakamura , Kouichirou Tani , Ryouji Tanaka , Takuo Sone , Toshihiro Tadaki , Junko Kurazumi , Koji Masaki , Yoichi Ozawa
Abstract: A process for simply and inexpensively producing a conjugated diene polymer with a narrow molecular weight distribution and a high cis-bond content at a low cost is provided. The process comprises a polymerization step, wherein a conjugated diene polymer having a cis-1,4-bond content of 98.5 mass % or more and a ratio (Mw/Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) measured by gel permeation chromatography of 2.5 or less is obtained by carrying out a polymerization reaction in conjugated diene compounds using a catalyst composition containing a rare earth element-containing compound or a reaction product of the rare earth element-containing compound with a Lewis base, an aluminoxane and/or organoaluminum compound, and an iodine-containing compound.
Abstract translation: 提供了一种以低成本简单且廉价地制备具有窄分子量分布和高顺式键含量的共轭二烯聚合物的方法。 该方法包括聚合步骤，其中顺式-1,4-键含量为98.5质量％以上的共轭二烯聚合物和重均分子量（Mw）与数均分子量（Mw）的比（Mw / Mn） 通过凝胶渗透色谱法测定的重量（Mn）为2.5以下，通过使用含有含稀土元素化合物的催化剂组合物或含稀土元素化合物的反应产物与共轭二烯化合物的反应， 路易斯碱，铝氧烷和/或有机铝化合物，以及含碘化合物。
-
Patent Agency Ranking
6.发明申请PROCESS FOR PRODUCING MODIFIED POLYMER, MODIFIED POLYMER OBTAINED BY THE PROCESS, AND RUBBER COMPOSITION CONTAINING THE SAME 审中-公开生产改性聚合物，由该方法获得的改性聚合物的方法和含有该聚合物的橡胶组合物公开(公告)号：US20100016500A1
公开(公告)日：2010-01-21
申请号：US12446681
申请日：2007-10-25
Applicant: Takuo Sone , Takaomi Matsumoto , Kouichirou Tani , Koji Masaki , Ken Tanaka
Inventor： Takuo Sone , Takaomi Matsumoto , Kouichirou Tani , Koji Masaki , Ken Tanaka
IPC: C08L9/00 , C08F136/04
CPC classification number: C08C19/44 , C08F8/42 , C08L15/00 , Y02T10/862
Abstract: A process for producing a modified polymer that exhibits low rolling resistance, excellent mechanical properties (e.g., tensile strength), high wet-skid resistance, and excellent wear resistance when vulcanized, a modified polymer obtained by the process, and a rubber composition containing the same. The process includes subjecting an alkali metal active end of a conjugated diene polymer to a modification reaction with an alkoxysilane compound, the conjugated diene polymer being produced by subjecting a diene monomer or a diene monomer and a monomer other than the diene monomer to anionic polymerization in a hydrocarbon solvent using an alkali metal initiator, and subjecting the resulting product to a condensation reaction in the presence of a condensation accelerator that includes a compound of at least one element among the elements of the groups 4A (excluding Ti), 2B, 3B, and 5B of the periodic table.
Abstract translation: 一种改性聚合物的制造方法，其具有低滚动阻力，优异的机械性能（例如拉伸强度），高耐湿滑性和耐硫化性优异的耐磨性，通过该方法获得的改性聚合物和含有 相同。 该方法包括使共轭二烯聚合物的碱金属活性末端与烷氧基硅烷化合物进行改性反应，所述共轭二烯聚合物通过使二烯单体或二烯单体和除二烯单体以外的单体进行阴离子聚合而制备 使用碱金属引发剂的烃溶剂，并且在冷凝促进剂存在下使所得产物进行缩合反应，所述缩合促进剂包括4A族（不包括Ti），2B，3B等元素中的至少一种元素的化合物， 和5B。
-
公开(公告)号：US08618199B2
公开(公告)日：2013-12-31
申请号：US13711701
申请日：2012-12-12
Applicant: Yoichi F. Ozawa , H. Jerrold Miller , Koji Masaki , Koichi Morita , Tatsuo Fujimaki , Tetsuya Omura , Takuo Sone , Iwakazu Hattori
Inventor： Yoichi F. Ozawa , H. Jerrold Miller , Koji Masaki , Koichi Morita , Tatsuo Fujimaki , Tetsuya Omura , Takuo Sone , Iwakazu Hattori
CPC classification number: C08F136/14 , C08C19/00 , C08C19/22 , C08C19/44 , C08F36/04 , C08F136/06 , C08K3/04 , C08K3/045 , C08K3/36 , C08L21/00 , C08L91/00 , C08F4/545 , C08L15/00
Abstract: A method for preparing a functionalized polymer comprising the steps of preparing a polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst, wherein the lanthanide-based catalyst comprises (a) a lanthanide compound, (b) an alkylating agent, and (c) a source of halogen, and reacting the pseudo-living polymer with at least one amide-containing functionalizing agent.
-
公开(公告)号：US07211630B2
公开(公告)日：2007-05-01
申请号：US10522381
申请日：2003-07-28
Applicant: Koji Masaki , Yoshikatsu Hatakeyama
Inventor： Koji Masaki , Yoshikatsu Hatakeyama
CPC classification number: C08L9/06 , B60C1/0016 , C08C19/02 , C08L15/00 , C08L2666/08
Abstract: A rubber composition comprising as a rubber component a specified styrene-butadiene copolymer (A) and a styrene-isoprene copolymer of a specified hydrogenation ratio (B) wherein a bound styrene content of the copolymer (B) is larger by a given value than a bound styrene content of the copolymer (A) is good in the wear resistance and fracture property and further excellent in the wet-skid resistance and dry gripping property.
Abstract translation: 一种橡胶组合物，其特征在于，将特定的苯乙烯 - 丁二烯共聚物（A）和特定氢化比（B）的苯乙烯 - 异戊二烯共聚物作为橡胶成分，其中共聚物（B）的结合苯乙烯含量比 共聚物（A）的结合苯乙烯含量的耐磨损性和断裂性良好，耐湿滑性和干燥抓持性也优异。
-
9.发明授权公开(公告)号：US06699813B2
公开(公告)日：2004-03-02
申请号：US10287205
申请日：2002-11-04
Applicant: Steven Luo , Yoichi Ozawa , Koji Masaki , David Lawson
Inventor： Steven Luo , Yoichi Ozawa , Koji Masaki , David Lawson
IPC: B01D3100
CPC classification number: C08F36/04 , Y10S526/943 , C08F4/7098 , C08F4/545
Abstract: A catalyst composition that is the combination of or the reaction product of ingredients comprising (a) an lanthanide compound, (b) an alkylating agent, (c) a nickel-containing compound, and optionally (d) a halogen-containing compound, with the proviso that the halogen-containing compound must be present where none of the lanthanide compound, the alkylating agent, and the nickel-containing compound contain a labile halogen atom.
Abstract translation: 一种催化剂组合物，其是成分的组合或成分的反应产物，其包含（a）镧系元素化合物，（b）烷基化剂，（c）含镍化合物和任选（d）含卤素化合物与 条件是必须存在镧系化合物，烷化剂和含镍化合物中不含有不稳定卤素原子的卤素化合物。
-
公开(公告)号：US09493041B2
公开(公告)日：2016-11-15
申请号：US13395391
申请日：2009-09-10
Applicant: Shigeaki Matsuo , Koji Masaki
Inventor： Shigeaki Matsuo , Koji Masaki
CPC classification number: B60C17/0009 , B60C2001/0033 , C08L7/00 , C08L9/00 , C08L21/00
Abstract: The present invention relates to a run-flat tire employing a rubber composition capable of improving processability without reducing the durability during run-flat traveling. More specifically, the present invention relates to a run-flat tire comprising a bead filler 7 and a pair of side-reinforcing rubber layers 8. At least one of the bead filler 7 and the side-reinforcing rubber layer 8 employs a rubber composition obtained by adding 3 to 10 parts by mass of sulfur and 0.1 to 30 parts by mass of a low-molecular-weight conjugated diene-based polymer (B) having a weight average molecular weight in the range of 2,000 to 10,000, to 100 parts by mass of a rubber component (A) containing at least a natural rubber or polyisoprene rubber and having a weight average molecular weight in the range of 150,000 to 2,000,000.
Abstract translation: 本发明涉及一种使用橡胶组合物的防滑型轮胎，该橡胶组合物能够改善加工性能，而不会降低跑平行驶期间的耐久性。 更具体地说，本发明涉及包括胎圈填料7和一对侧面加强橡胶层8的缺气保用轮胎。胎圈填料7和侧面增强橡胶层8中的至少一个使用得到的橡胶组合物 通过将3〜10质量份的硫和0.1〜30质量份的重均分子量为2,000〜10,000的低分子量共轭二烯系聚合物（B）添加至100份 含有至少天然橡胶或聚异戊二烯橡胶并且重均分子量在15万至200万范围内的橡胶组分（A）的质量。
-
-
-
-
-
-
-
-
-
Search Results
38
records
(took 0.024 seconds)
