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1. 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.

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

US4981760A Ethylene-alpha-olefin copolymer and films obtained therefrom 失效
标题翻译：乙烯-α-烯烃共聚物和由其获得的膜
公开(公告)号：US4981760A
公开(公告)日：1991-01-01
申请号：US378000
申请日：1989-07-11
申请人： Yukio Naito , Kohzoh Miyazaki , Yuji Gotoh , Masashi Hamba , Akio Imai , Kiyoyuki Sugimori
发明人： Yukio Naito , Kohzoh Miyazaki , Yuji Gotoh , Masashi Hamba , Akio Imai , Kiyoyuki Sugimori
IPC分类号： B32B27/32 , C08F10/00 , C08F110/02 , C08F210/02 , C08F210/16 , C08F297/08 , C08J5/18 , C08L23/00 , C08L23/06 , C08L23/08
CPC分类号： C08J5/18 , C08F210/02 , C08F210/16 , C08F297/08 , C08L23/0815 , C08F110/02 , C08J2323/08 , C08L23/06 , Y10T428/31855 , Y10T428/31938
摘要： An ethylene-.alpha.-olefin copolymer comprising ethylene and an .alpha.-olefin having from 3 to 10 carbon atoms, the copolymer having an .alpha.-olefin content of from 1.0 to 8.0 mol %, a density of from 0.900 to 0.930 g/cm.sup.3, and a melt flow rate of from 0.1 to 100 g/10 min., the programed-temperature thermogram of said copolymer as determined with a differential scanning calorimeter after being completely melted and then gradually cooled showing an endothermic peak (a) in a range of from 75.degree. to 100.degree. C. and an endothermic peak (b) in a range of from 120.degree. to 140.degree. C., with the ratio of an endotherm at the endothermic peak (b), .DELTA.Hb, to an endotherm at the endothermic peak (a), .DELTA.Ha, i.e., .DELTA.Hb/.DELTA.Ha, being from 0.03 to 2.0. The copolymer provides a film exhibiting excellent physical properties required for packaging film.

5. 发明授权

US5219938A Modified diene polymer rubbers 失效
标题翻译：改性二烯聚合物橡胶
公开(公告)号：US5219938A
公开(公告)日：1993-06-15
申请号：US848095
申请日：1992-03-09
申请人： Akio Imai , Tomoaki Seki , Keisaku Yamamoto
发明人： Akio Imai , Tomoaki Seki , Keisaku Yamamoto
IPC分类号： B60C1/00 , C08C19/42
CPC分类号： B60C1/0016 , C08C19/42
摘要： A process for preparing modified diene polymer rubbers having an increased impact resilience, a reduced hardness at low temperatures and an improved processability, and useful as rubber materials for automobile tires and other industries which comprises producing a conjugated diene polymer having alkali metal end or ends, and reacting the alkali metal-containing polymer with (a) a silicon or tin compound of the formula: R.sub.a MX.sub.b wherein R is an alkyl group, an alkenyl group, a cycloalkenyl group or an aromatic hydrocarbon atom, a is 0, 1 or 2 and b is 2, 3 or 4, and (b) at least one member selected from the group consisting of a nitro compound; a phosphoryl chloride compound of the formula (1): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are an alkyl group; an aminosilane compound of the formula (2): ##STR2## wherein R.sup.5, R.sup.6 and R.sup.7 are an alkyl group or an alkoxyl group, R.sup.8 and R.sup.9 are an alkyl group, and n is an integer; an acrylamide compound of the formula (3): ##STR3## wherein R.sup.10 is hydrogen atom or methyl group, R.sup.11 and R.sup.12 are an alkyl group, and m is an integer; and an aminovinylsilane compound of the formula (4): ##STR4## wherein R.sup.13, R.sup.14, R.sup.15, R.sup.16 and R.sup.17 are an alkyl group.
摘要翻译：一种制备具有增加的冲击弹性，在低温下降低的硬度和改善加工性能的改性二烯聚合物橡胶的方法，并且可用作汽车轮胎和其它工业的橡胶材料，其包括制备具有碱金属末端或末端的共轭二烯聚合物，并使含碱金属的聚合物与（a）下式的硅或锡化合物：其中R是烷基，烯基，环烯基或芳族烃原子，其中R是一个或多个， b是2,3或4，和（b）至少一种选自硝基化合物; 式（1）的磷酰氯化合物：其中R1，R2，R3和R4是烷基; （2）的氨基硅烷化合物：其中R5，R6和R7是烷基或烷氧基，R8和R9是烷基，n是整数; 式（3）的丙烯酰胺化合物：其中R 10是氢原子或甲基，R 11和R 12是烷基，m是整数; 和式（4）的氨基乙烯基硅烷化合物：其中R 13，R 14，R 15，R 16和R 17是烷基。

6. 发明授权

US4471093A Elastomer composition comprising a blend of SBR rubbers 失效
标题翻译：包含SBR橡胶的混合物的弹性体组合物
公开(公告)号：US4471093A
公开(公告)日：1984-09-11
申请号：US470506
申请日：1983-02-28
申请人： Hiroshi Furukawa , Yuichi Saito , Keisaku Yamamoto , Akio Imai , Nobuyuki Yoshida , Yasushi Okamoto
发明人： Hiroshi Furukawa , Yuichi Saito , Keisaku Yamamoto , Akio Imai , Nobuyuki Yoshida , Yasushi Okamoto
IPC分类号： B60C1/00 , C08L9/06 , C08L7/00
CPC分类号： C08L7/00 , B60C1/0016 , C08L9/06
摘要： A rubber composition having improved rolling resistance and wet grip characteristics with improved processability, abrasion resistance and durability which contains as a rubber component a mixture of a high molecular weight styrene-butadiene rubber having a specific microstructure and a low molecular weight styrene-butadiene and/or butadiene rubber having a specific microstructure. The composition is particularly suitable for use in tread of tires.
摘要翻译：一种具有改善的滚动阻力和湿抓地性能的橡胶组合物，具有改进的加工性，耐磨性和耐久性，其包含作为橡胶组分的具有特定微结构的高分子量苯乙烯 - 丁二烯橡胶和低分子量苯乙烯 - 丁二烯和/ 或具有特定微结构的丁二烯橡胶。该组合物特别适用于轮胎胎面。

7. 发明授权

US4537936A Diene rubber composition, method of preparing the same and tire employing said composition 失效
标题翻译：二烯橡胶组合物，其制备方法和采用所述组合物的轮胎
公开(公告)号：US4537936A
公开(公告)日：1985-08-27
申请号：US371020
申请日：1982-04-22
申请人： Hiroyoshi Takao , Keisaku Yamamoto , Akio Imai , Nobuyuki Yoshida , Hiroshi Furukawa , Yuichi Saito , Akio Okumura
发明人： Hiroyoshi Takao , Keisaku Yamamoto , Akio Imai , Nobuyuki Yoshida , Hiroshi Furukawa , Yuichi Saito , Akio Okumura
IPC分类号： B60C1/00 , C08F36/04 , C08L9/00 , C08L9/06
CPC分类号： C08F36/04 , B60C1/0016 , C08L9/00 , C08L9/06 , Y10S152/905
摘要： A diene rubber composition comprising 25 to 90 parts by weight of at least one high molecular weight diene rubber (A) having an intrinsic viscosity [.eta.] of at least 2.0 and a glass transition point of not lower than -50.degree. C. and 75 to 10 parts by weight of at least one low molecular weight diene rubber (B) having an intrinsic viscosity [.eta.] of 0.01 to 2.0, said composition having an average intrinsic viscosity of at least 1.8.Since this composition has an excellent wet grip and rolling resistance property and moreover has excellent processability, it is employed as tire tread rubber.
摘要翻译：一种二烯橡胶组合物，其包含25至90重量份的至少一种特性粘度η至少为2.0且玻璃化转变点不低于-50℃的高分子量二烯橡胶（A）和75 至10重量份的至少一种特性粘度η为0.01至2.0的低分子量二烯橡胶（B），所述组合物的平均特性粘度至少为1.8。由于该组合物具有优异的湿抓地性和滚动阻力性，而且具有优异的加工性，因此用作轮胎胎面胶。

8. 发明授权

US4436873A Conjugated diene block polymer and process for preparing the same 失效
标题翻译：共轭二烯嵌段聚合物及其制备方法
公开(公告)号：US4436873A
公开(公告)日：1984-03-13
申请号：US477583
申请日：1983-03-21
申请人： Hiroshi Furukawa , Yuichi Saito , Akio Imai , Keisaku Yamamoto , Hiroyoshi Takao , Nobuyuki Yoshida
发明人： Hiroshi Furukawa , Yuichi Saito , Akio Imai , Keisaku Yamamoto , Hiroyoshi Takao , Nobuyuki Yoshida
IPC分类号： C08F297/00 , C08F136/04 , C08F297/02
CPC分类号： C08F297/02 , C08F136/04
摘要： A conjugated diene block polymer composed of blocks having a different microstructure from each other such that one block contains 20 to 60% by mole of 1,2- and/or 3,4-bonding, the other block contains 50 to 90% by mole of 1,2- and/or 3,4-bonding, the difference in the 1,2- and/or 3,4-bonding content between the both blocks is from 20 to 50% mole and the average content of 1,2- and/or 3,4-bonding in the polymer is from 50 to 85% by mole. The block polymer has a high wet skid resistance and a low dynamic heat generating property, and is very useful as a material for automobile tires.
摘要翻译：共轭二烯嵌段聚合物由具有彼此不同微结构的嵌段组成，使得一个嵌段含有20至60摩尔％的1,2-和/或3,4-键，另一个嵌段含有50至90摩尔％的1,2-和/或3,4-键，两个嵌段之间的1,2-和/或3,4-键含量的差异为20-50％摩尔，平均含量为1,2 - 和/或3,4-键在聚合物中为50-85摩尔％。嵌段聚合物具有高的抗湿滑性和低动态发热性，并且作为汽车轮胎的材料是非常有用的。

9. 发明授权

US4385151A Composition containing isoprene polymer 失效
标题翻译：含异戊二烯聚合物的组合物
公开(公告)号：US4385151A
公开(公告)日：1983-05-24
申请号：US324548
申请日：1981-11-24
申请人： Hiroshi Furukawa , Yuichi Saito , Akio Imai , Keisaku Yamamoto , Tomoaki Seki , Nobuyuki Yoshida
发明人： Hiroshi Furukawa , Yuichi Saito , Akio Imai , Keisaku Yamamoto , Tomoaki Seki , Nobuyuki Yoshida
IPC分类号： C08L9/00 , C08K3/06
CPC分类号： C08L9/00
摘要： A rubber composition containing an isoprene homopolymer or copolymer having a glass transition temperature of not less than -50.degree. C. and a Mooney viscosity of 20 to 120. The composition can provide a cured rubber having a high wet road gripping force and a small dynamic heat generating characteristic, and is very suitable for use in tires of automobiles.
摘要翻译：一种橡胶组合物，其含有玻璃化转变温度不低于-50℃，门尼粘度为20〜120的异戊二烯均聚物或共聚物。该组合物可以提供具有高湿道路夹紧力和小动态发热特性，非常适合用于汽车轮胎。

10. 发明授权

US5189108A Modified polymer rubber and process for preparing the same 失效
标题翻译：改性聚合物橡胶及其制备方法
公开(公告)号：US5189108A
公开(公告)日：1993-02-23
申请号：US625924
申请日：1990-12-14
申请人： Akio Imai , Mitsuji Tsuji , Takashi Sanada , Keisaku Yamamoto
发明人： Akio Imai , Mitsuji Tsuji , Takashi Sanada , Keisaku Yamamoto
IPC分类号： C08F255/04 , C08F255/06 , C08F279/02 , C08F291/00 , C08F291/02
CPC分类号： C08F255/04 , C08F255/06 , C08F279/02
摘要： A modified polymer rubber is obtained by(1) graft-polymerizing at least one grafting monomer to a shreaded rubbery polymer (A) in an aqueous suspension at a temperature of 30.degree.-130.degree. C. to obtain a graft polymer, and(2) kneading the graft polymer with at least one polymerizable monomer in the presence of a free radical initiator at a temperature of 180.degree.-280.degree. C. This process does not cause gel formation and is advantageous in manufacturing cost.The modified polymer rubber thus obtained is excellent in processability and storage stability, and highly useful as a compatibilizer for various resins.

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