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1. 发明授权

US5245007A Method for purifying ethylene-.alpha.-olefin copolymer 失效
标题翻译：纯化乙烯 - （ALPHA） - 烯烃共聚物的方法
公开(公告)号：US5245007A
公开(公告)日：1993-09-14
申请号：US805651
申请日：1991-12-12
申请人： Keisaku Yamamoto , Kizuku Wakatsuki , Kiyoyuki Sugimori , Hayato Saba , Katsunari Inagaki
发明人： Keisaku Yamamoto , Kizuku Wakatsuki , Kiyoyuki Sugimori , Hayato Saba , Katsunari Inagaki
IPC分类号： C08F6/02
CPC分类号： C08F6/02
摘要： A method for purifying an ethylene-.alpha.-olefin olefin having at least 3 carbon atoms, or ethylene with an .alpha.-olefin having at least 3 carbon atoms and a nonconjugated diene compound, in a hydrocarbon solvent in the presence of a catalyst comprising a vanadium compound, an organoaluminum compound, and a halogenated ester compound, the method including a step of mixing and stirring the polymerization reaction mixture obtained by the polymerization reaction in an aqueous alkaline solution in such an amount as to give an aqueous phase having a pH of not lower than 10.0 after mixing and stirring, is disclosed. A method for purifying an ethylene-.alpha.-olefin copolymer is also disclosed, including a step of an oxidation treatment of the polymerization reaction mixture in an aqueous alkaline solution in such an amount as to give an aqueous phase having a pH of not lower than 10.0 after the oxidation treatment.

2. 发明授权

US5122493A Catalyst for olefinic hydrocarbon polymerization and process for producing olefinic hydrocarbon polymer 失效
标题翻译：烯烃聚合催化剂和生产烯烃聚合物的方法
公开(公告)号：US5122493A
公开(公告)日：1992-06-16
申请号：US675823
申请日：1991-03-27
申请人： Hayato Saba , Keisaku Yamamoto , Akio Imai , Kiyoyuki Sugimori , Kizuku Wakatsuki
发明人： Hayato Saba , Keisaku Yamamoto , Akio Imai , Kiyoyuki Sugimori , Kizuku Wakatsuki
IPC分类号： C08F4/60 , C08F4/68 , C08F10/00
CPC分类号： C08F10/00
摘要： An inert hydrocarbon solvent-soluble catalyst for polymerization of olefinic hydrocarbons and a process for producing an olefinic polymer using the same are disclosed, the catalyst being composed of (A) a reaction product obtained by reacting (a) at least one vanadium compound represented by formula:VO(OR).sub.m X.sub.3-mwherein R represents a hydrocarbon group; X represents a halogen atom; and m represents a real number of from 0 to 3, and (b) a dihydroxy hydrocarbon compound constituted of a straight chain hydrocarbon skeleton containing from 2 to 12 carbon atoms and having a hydroxyl group at each of both terminals thereof and at least one hydrocarbon branch bonded to said hydrocarbon skeleton in an inert hydrocarbon solvent at an (a) to (b) molar ratio of from 1:0.5 to 1:1.4 and (B) at least one organoaluminum compound represented by formula:R'.sub.n AlX'.sub.3-nwherein R' represents a hydrocarbon group X' represents a halogen atom; and n represents a real number more than 0 and less than 3. Olefinic hydrocarbon polymers having narrow distributions of molecular weight and composition can be produced with high efficiency and high polymerization activity without being accompanied by obstruction or contamination of equipment due to precipitation of a catalyst.

3. 发明授权

US5191041A Catalyst for olefinic hydrocarbon polymerization and process and producing olefinic hydrocarbon polymer 失效
标题翻译：用于烯烃聚合的催化剂和制备和生产烯烃聚合物
公开(公告)号：US5191041A
公开(公告)日：1993-03-02
申请号：US821037
申请日：1992-01-16
申请人： Hayato Saba , Keisaku Yamamoto , Akio Imai , Kiyoyuki Sugimori , Kizuku Wakatsuki
发明人： Hayato Saba , Keisaku Yamamoto , Akio Imai , Kiyoyuki Sugimori , Kizuku Wakatsuki
IPC分类号： C08F10/00
CPC分类号： C08F10/00
摘要： An inert hydrocarbon solvent-soluble catalyst for polymerization of olefinic hydrocarbons and a process for producing an olefinic polymer using the same are disclosed, the catalyst being composed of (A) a reaction product obtained by reacting (a) at least one vanadium compound represented by formula:VO(OR).sub.m X.sub.3-mwherein R represents a hydrocarbon group; X represents a halogen atom; and m represents a real number of from 0 to 3, and (b) a dihydroxy hydrocarbon compound constituted of a straight chain hydrocarbon skeleton containing from 2 to 12 carbon atoms and having a hydroxyl group at each of both terminals thereof and at least one hydrocarbon branch bonded to said hydrocarbon skeleton in an inert hydrocarbon solvent at an (a) to (b) molar ratio of from 1:0.5 to 1:1.4 and (B) at least one organoaluminum compound represented by formula:R'.sub.n AlX'.sub.3-nwherein R' represents a hydrocarbon group; X' represents a halogen atom; and n represents a real number more than 0 and less than 3. Olefinic hydrocarbon polymers having narrow distributions of molecular weight and composition can be produced with high efficiency and high polymerization activity without being accompanied by obstruction or contamination of equipment due to precipitation of a catalyst.
摘要翻译：公开了一种用于烯烃聚合的惰性烃溶剂可溶性催化剂和使用其的制备烯烃聚合物的方法，该催化剂由（A）通过使（a）至少一种钒化合物式：VO（OR）mX3-m其中R表示烃基; X表示卤原子; m表示0〜3的实数，（b）由含有2〜12个碳原子的直链烃骨架构成的二羟基烃化合物，其两末端具有羟基，至少一个烃在（a）至（b）摩尔比为1:0.5至1:1.4的惰性烃溶剂中与所述烃骨架键合的至少一种有机铝化合物，和（B）至少一种由式：R'nAlX'3- n其中R'表示烃基; X'表示卤原子; 并且n表示大于0且小于3的实数。可以以高效率和高聚合活性生产具有窄分子量和组成分布的烯属烃聚合物，而不伴随催化剂沉淀引起的设备阻塞或污染。

4. 发明授权

US5703151A Rubber composition 失效
标题翻译：橡胶组成
公开(公告)号：US5703151A
公开(公告)日：1997-12-30
申请号：US632798
申请日：1996-04-17
申请人： Keisaku Yamamoto , Kizuku Wakatsuki , Hayato Saba
发明人： Keisaku Yamamoto , Kizuku Wakatsuki , Hayato Saba
IPC分类号： C08K3/36 , C08L21/00 , C08K5/24
CPC分类号： C08K3/36 , C08L21/00 , C08L9/00 , C08L9/06
摘要： Provided is a rubber composition obtainable by kneading a mixture at a maximum temperature between about 120.degree. to about 170.degree. C. The mixture includes: 100 parts by weight of a solution polymerized diene rubber; about 5 to about 100 parts by weight of silica; about 1 to about 15 parts by weight of a silane coupling agent; and about 1 to about 15 parts by weight of a polyalkylene glycol having a weight average molecular weight of about 200 to about 20,000. The invention also provides a method for making the rubber composition, a tire tread made from the rubber composition, and a tire made from the rubber composition.
摘要翻译：提供一种橡胶组合物，其通过在约120℃至约170℃的最高温度下捏合混合物获得。该混合物包括：100重量份的溶液聚合的二烯橡胶; 约5至约100重量份的二氧化硅; 约1至约15重量份的硅烷偶联剂; 和约1至约15重量份的重均分子量为约200至约20,000的聚亚烷基二醇。本发明还提供了一种制造橡胶组合物的方法，由橡胶组合物制成的轮胎胎面和由橡胶组合物制成的轮胎。

5. 发明授权

US6087424A Rubber composition 失效
标题翻译：橡胶组成
公开(公告)号：US6087424A
公开(公告)日：2000-07-11
申请号：US614931
申请日：1996-03-11
申请人： Keisaku Yamamoto , Kizuku Wakatsuki , Hayato Saba
发明人： Keisaku Yamamoto , Kizuku Wakatsuki , Hayato Saba
IPC分类号： C08K5/5419 , C08K5/548 , C08L21/00 , C08J5/24
CPC分类号： C08K5/5419 , C08K5/548 , C08L21/00 , C08L9/00 , C08L9/06
摘要： A rubber composition obtained by kneading a mixture comprising 100 parts by weight of a solution polymerized diene rubber, 5-100 parts by weight of silica, 1-15 parts by weight of a silane coupling agent, and 1-20 parts by weight of an organic silicon compound having a number average molecular weight of about 100-10,000, and maintaining the temperature during the kneading at 200.degree. C. or less. The composition is excellent in wear resistance and productivity, has lower rolling resistance and is useful, for example, for automobile tires.
摘要翻译：将由100重量份溶液聚合二烯橡胶，5-100重量份二氧化硅，1-15重量份硅烷偶联剂和1-20重量份的二氧化硅的混合物数均分子量为100〜10000左右的有机硅化合物，将混炼过程中的温度保持在200℃以下。该组合物的耐磨性和生产率优异，具有较低的滚动阻力，并且可用于例如汽车轮胎。

6. 发明授权

US5516862A Process for producing ethylene-alpha-olefin copolymer rubber 失效
标题翻译：生产乙烯-α-烯烃共聚物橡胶的方法
公开(公告)号：US5516862A
公开(公告)日：1996-05-14
申请号：US300550
申请日：1994-09-07
申请人： Keisaku Yamamoto , Kizuku Wakatsuki , Hayato Saba , Tadaaki Nishiyama
发明人： Keisaku Yamamoto , Kizuku Wakatsuki , Hayato Saba , Tadaaki Nishiyama
IPC分类号： C08F2/06 , C08F210/18 , C08F4/20
CPC分类号： C08F210/18
摘要： A process for producing ethylene-.alpha.-olefin copolymer rubbers which comprises mixing a vanadium compound-containing solution and an alcohol-containing solution with stirring for 10-600 seconds to obtain a mixed solution, immediately feeding the mixed solution into a polymerization vessel containing an organoaluminum compound, and copolymerizing ethylene and an .alpha.-olefin, or ethylene, an .alpha.-olefin and a non-conjugated diene compound in the polymerization vessel. According to this process, the activity of polymerization catalyst can be maintained at a high level, no by-product of the reaction of the vanadium compound and the alcohol is deposited as precipitate in the apparatus and no such additional operations as bubbling is necessary.
摘要翻译：一种生产乙烯-α-烯烃共聚物橡胶的方法，其包括将含钒化合物的溶液和含醇溶液在搅拌下混合10-600秒以获得混合溶液，立即将混合溶液进料到含有有机铝化合物，以及在聚合容器中共聚乙烯和α-烯烃，或乙烯，α-烯烃和非共轭二烯化合物。根据该方法，可以将聚合催化剂的活性保持在高水平，不将钒化合物与醇反应的副产物作为沉淀物沉积在设备中，并且不需要如鼓泡的附加操作。

7. 发明授权

US5430086A Rubber composition for tire treads 失效
标题翻译：轮胎胎面橡胶组合物
公开(公告)号：US5430086A
公开(公告)日：1995-07-04
申请号：US165164
申请日：1993-12-10
申请人： Yuichi Saito , Toru Fukumoto , Shuji Imaoka , Keisaku Yamamoto , Kizuku Wakatsuki , Mitsuji Tsuji
发明人： Yuichi Saito , Toru Fukumoto , Shuji Imaoka , Keisaku Yamamoto , Kizuku Wakatsuki , Mitsuji Tsuji
IPC分类号： B60C1/00 , C08K3/04 , C08L9/06
CPC分类号： C08K3/04 , B60C1/0016 , C08L9/06 , C08L2205/02 , C08L7/00 , C08L9/00 , C08L9/08 , Y10S152/905
摘要： A rubber composition for tire treads comprising a rubber component consisting essentially of (A) 20 to 100% by weight of a solution-polymerized styrene-butadiene copolymer rubber having a Mooney viscosity ML.sub.1+4 of 30 to 200 at 100.degree. C. prepared by copolymerization of styrene, butadiene and a polyvinyl aromatic compound followed by coupling with a trifunctional or tetrafunctional coupling agent, and (B) 0 to 80% by weight of at least one rubber selected from the group consisting of an emulsion-polymerized styrene-butadiene rubber, a butadiene rubber, natural rubber and a synthetic polyisoprene rubber; and (C) 50 to 250 parts by weight of a carbon black having an iodine adsorption number of not less than 60 mg/g and an oil absorption of not less than 110 ml/100 g per 100 parts by weight of said rubber component; the tan .delta. peak temperature Tg of the cured product of said rubber composition being from -40.degree. to +5.degree. C. The tread rubber composition can be processed without causing bagging with a good dispersibility of carbon black and provides tires having a low rolling resistance and a high grip characteristic.
摘要翻译：一种用于轮胎胎面的橡胶组合物，其包含基本上由（A）20-100重量％的在100℃下门尼粘度ML1 + 4为30至200的溶液聚合的苯乙烯 - 丁二烯共聚物橡胶组成的橡胶组分，其由苯乙烯，丁二烯和聚乙烯基芳族化合物的共聚合，然后与三官能或四官能偶联剂偶合，和（B）0至80重量％的至少一种选自乳液聚合的苯乙烯 - 丁二烯橡胶丁二烯橡胶，天然橡胶和合成聚异戊二烯橡胶; 和（C）每100重量份所述橡胶组分50至250重量份的碘吸附数不小于60mg / g和吸油量不小于110ml / 100g的炭黑; 所述橡胶组合物的固化产物的tanδ峰值温度Tg为-40℃至+5℃。胎面橡胶组合物可以在不引起炭黑的良好分散性的情况下进行加工而且具有低滚动阻力的轮胎和高抓地力特性。

8. 发明授权

US5290878A Butadiene copolymer and process for preparing same 失效
标题翻译：丁二烯共聚物及其制备方法
公开(公告)号：US5290878A
公开(公告)日：1994-03-01
申请号：US72488
申请日：1993-06-07
申请人： Keisaku Yamamoto , Kizuku Wakatsuki , Mitsuji Tsuji , Yuichi Saito
发明人： Keisaku Yamamoto , Kizuku Wakatsuki , Mitsuji Tsuji , Yuichi Saito
IPC分类号： C08C19/42 , C08F8/00 , C08F36/00 , C08F36/06 , C08F236/06 , C08F236/10 , C08K5/00 , C08L9/00 , C08F8/42
CPC分类号： C08F236/10
摘要： An elastomeric butadiene copolymer prepared by a process which comprises copolymerizing butadiene, a polyvinyl aromatic compound and optionally styrene in a hydrocarbon solvent in the presence of an organolithium polymerization initiator and subjecting the resulting copolymer having lithium at the polymer end or ends to a coupling reaction with a trifunctional or tetrafunctional coupling agent, said butadiene copolymer satisfying the following conditions: (a) the content of styrene is at most 50% by weight, (b) the content of vinyl bonds in the butadiene portion is from 10 to 90% by weight, (c) the molecular weight distribution curve obtained by a high performance liquid chromatography has at least three peaks, and 5 to 60% by weight of all the polymer chains have a molecular weight which is at least 5 times the molecular weight in terms of standard polystyrene corresponding to the peak appearing on the lowest molecular weight side of the high performance liquid chromatogram, and (d) the Mooney viscosity (ML.sub.1+4, 100.degree. C.) is from 30 to 200. The butadiene copolymer has an improved processability with excellent resilience, wet grip property, abrasion resistance and mechanical properties, and is suitable for tire use.
摘要翻译：一种弹性体丁二烯共聚物，该方法包括在有机锂聚合引发剂存在下，使丁二烯，聚乙烯基芳族化合物和任选的苯乙烯在烃溶剂中共聚，并将所得到的聚合物末端或末端的锂共聚物与所述丁二烯共聚物满足以下条件：（a）苯乙烯含量至多为50重量％，（b）丁二烯部分中的乙烯基键含量为10〜90重量％，（c）通过高效液相色谱获得的分子量分布曲线具有至少三个峰，并且所有聚合物链的5至60重量％的分子量的分子量至少为分子量的5倍对应于在高效液相色谱的最低分子量侧出现的峰的标准聚苯乙烯，和（d）t 门尼粘度（ML1 + 4,100℃）为30〜200。丁二烯共聚物具有优异的回弹性，湿抓地性，耐磨性和机械性能的加工性，适用于轮胎使用。

9. 发明授权

US5082908A Ethylene-.alpha.-olefin copolymer and process for producing the same 失效
标题翻译：乙烯 - （ALPHA） - 烯烃共聚物及其制造方法
公开(公告)号：US5082908A
公开(公告)日：1992-01-21
申请号：US363654
申请日：1989-06-08
申请人： Akio Imai , Kiyoyuki Sugimori , Keisaku Yamamoto , Minoru Takane
发明人： Akio Imai , Kiyoyuki Sugimori , Keisaku Yamamoto , Minoru Takane
IPC分类号： C08F4/68 , C08F210/00
CPC分类号： C08F210/00
摘要： An ethylene-.alpha.-olefin copolymer is disclosed, which comprises ethylene and an .alpha.-olefin having from 3 to 10 carbon atoms, has an ethylene/.alpha.-olefin molar ratio of from 88/12 to 98/2, and which has a number average molecular weight of from 35,000 to 80,000 and a weight average molecular weight/number average molecular weight ratio of from 1.8/1 to 3.0/1 as determined by gel permeation chromatography. A process for producing the ethylene-.alpha.-olefin copolymer is also disclosed. The ethylene-.alpha.-olefin copolymer exhibits excellent transparency and excellent low-temperature heat-sealing properties. The process is advantageous from the standpoint of equipment, energy and cost.

10. 发明授权

US5610226A (Meth)acrylate copolymer and its elastomer compositions 失效
标题翻译：（甲基）丙烯酸酯共聚物及其弹性体组合物
公开(公告)号：US5610226A
公开(公告)日：1997-03-11
申请号：US446136
申请日：1995-05-22
申请人： Keisaku Yamamoto , Kiyoshi Ikeda , Masahiro Fukuyama , Tadaaki Nishiyama
发明人： Keisaku Yamamoto , Kiyoshi Ikeda , Masahiro Fukuyama , Tadaaki Nishiyama
IPC分类号： C08F220/26 , C08L33/14 , C08L31/00 , C08F22/10
CPC分类号： C08F220/26 , C08L33/14
摘要： A composition is disclosed which contains about 80.0 to about 99.9% by weight of a (meth)acrylate monomer having a structure represented by a formula (I) or a mixture of the (meth)acrylate monomer and alkyl acrylate having an alkyl ester comprising alcohol of 1 to 8 carbon atoms, and about 20.0 to about 0.1% by weight of a crosslinking monomer copolymerizable with the (meth)acrylate monomer. The composition can be used in formulating elastomeric compositions having a favorable balance of properties.
摘要翻译：公开了一种组合物，其包含约80.0至约99.9重量％的具有由式（I）表示的结构的（甲基）丙烯酸酯单体或具有包含醇的烷基酯的（甲基）丙烯酸酯单体和丙烯酸烷基酯的混合物 1至8个碳原子，和约20.0至约0.1重量％的可与（甲基）丙烯酸酯单体共聚的交联单体。组合物可用于配制具有良好的性能平衡的弹性体组合物。

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