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公开(公告)号：US5274042A
公开(公告)日：1993-12-28
申请号：US834623
申请日：1992-02-12
CPC分类号： C08G81/00 , C08G81/021 , C08G81/024
摘要： A graft polymer wherein an iodine-containing fluororubber has been grafted on an ethylene-.alpha.-olefin copolymer can be obtained by mixing 30 parts by weight of an iodine-containing fluororubber (a vinylidene fluoride-hexafluoropropylene copolymer containing iodine) and 70 parts by weight of an ethylene-propylene copolymer rubber at 180.degree. C. for 30 minutes while applying shear deformation using a Brabender mixer.
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公开(公告)号：US5459199A
公开(公告)日：1995-10-17
申请号：US124218
申请日：1993-09-21
CPC分类号： C08G81/00 , C08G81/021 , C08G81/024
摘要： A graft polymer wherein an iodine-containing fluororubber has been grafted on an ethylene-.alpha.-olefin copolymer or other polymer can be obtained by mixing 30 parts by weight of an iodine-containing fluororubber (a vinylidene fluoride-hexafluoropropylene copolymer containing iodine) and 70 parts by weight of an ethylene-propylene copolymer rubber at 180.degree. C. for 30 minutes while applying shear deformation using a Brabender mixer.
摘要翻译： 将含碘氟橡胶接枝在乙烯-α-烯烃共聚物或其它聚合物上的接枝聚合物可以通过将30重量份含碘氟橡胶（含碘的偏氟乙烯 - 六氟丙烯共聚物）和70重量份 重量份的乙烯 - 丙烯共聚物橡胶在180℃下搅拌30分钟，同时使用Brabender混合机施加剪切变形。
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公开(公告)号：US5100964A
公开(公告)日：1992-03-31
申请号：US666314
申请日：1991-03-08
申请人： Keisaku Yamamoto , Yoshio Tanimoto , Kiyoshi Ikeda , Nobuhiro Natsuyama , Sumio Hara , Junichi Koshiba
发明人： Keisaku Yamamoto , Yoshio Tanimoto , Kiyoshi Ikeda , Nobuhiro Natsuyama , Sumio Hara , Junichi Koshiba
CPC分类号： C08L21/00
摘要： A rubber composition is disclosed, comprising (a) 100 parts by weight of a synthetic rubber and (b) from 0.5 to 10 parts by weight of an alkylene oxide adduct of a saponified ethylene-saturated carboxylic acid vinyl ester copolymer. The rubbber composition can provide a vulcanized rubber composition which can retain its excellent appearance over a prolonged period of time because of freedom from blooming, has excellent antistatic performance due to its electrical conductivity, can be colored in various tints including white, and also has excellent properties in terms of tensile strength and specific gravity.
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公开(公告)号：US5288810A
公开(公告)日：1994-02-22
申请号：US999617
申请日：1992-12-31
申请人： Keisaku Yamamoto , Yoshio Tanimoto , Kiyosi Ikeda , Eiichi Usuda
发明人： Keisaku Yamamoto , Yoshio Tanimoto , Kiyosi Ikeda , Eiichi Usuda
摘要： A vulcanized rubber composition which is obtained by vulcanizing a modified ethylene-.alpha.-olefin-nonconjugated diene copolymer rubber composition defined below with sulfur or organic peroxides, said modified rubber composition comprising an ethylene-.alpha.-olefin-nonconjugated diene copolymer rubber modified with 0.01-0.15% by weight of an unsaturated carboxylic acid or a derivative thereof on the basis of the modified ethylene-.alpha.-olefin-nonconjugated diene copolymer rubber and at least one dinitroamine represented by the following formula (A): ##STR1## wherein X represents a divalent chain aliphatic, cyclic aliphatic or aromatic group which may contain a halogen or oxygen, R.sup.1 represents a hydrogen atom, a chain aliphatic group, a cyclic aliphatic group or an aromatic group with a proviso that when both X and R.sup.1 represent a chain aliphatic group, nitrogen atoms may further link to each other through R.sup.1, and R.sup.2 and R.sup.3 each represents a hydrogen atom or an alkyl group of 1-12 carbon atoms and R.sup.2 and R.sup.3 may link to each other to form a ring. The vulcanized rubber composition is excellent in fatigue resistance against repeatedly applied deformation.
摘要翻译： 硫化橡胶组合物，其通过用硫或有机过氧化物硫化以下定义的改性乙烯-α-烯烃 - 非共轭二烯共聚物橡胶组合物获得，所述改性橡胶组合物包含用0.01- 0.15重量％的不饱和羧酸或其衍生物，基于改性乙烯-α-烯烃 - 非共轭二烯共聚物橡胶和至少一种由下式（A）表示的二硝基胺：其中 X表示可以含有卤素或氧的二价链脂肪族，环状脂肪族或芳香族基团，R1表示氢原子，链状脂族基团，环状脂肪族基团或芳香族基团，条件是当X和R1都表示 链状脂族基团，氮原子可以通过R 1进一步连接，R2和R3各自表示氢原子或1-12的烷基 碳原子，R2和R3可以彼此连接形成环。 硫化橡胶组合物对耐反复变形的耐疲劳性优异。
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公开(公告)号：US4946888A
公开(公告)日：1990-08-07
申请号：US437607
申请日：1989-11-17
申请人： Keisaku Yamamoto , Yoshio Tanimoto , Isao Takano
发明人： Keisaku Yamamoto , Yoshio Tanimoto , Isao Takano
CPC分类号： C08K3/06 , C08L23/16 , C08L2312/00
摘要： A high-hardness rubber composition which is obtained by vulcanizing an unvulcanized rubber composition comprisingan unvulcanized ethylene..alpha.-olefin rubber composition (A) comprising 100 parts by weight of an ethylene..alpha.-olefin copolymer rubber, 60-150 parts by weight of a reinforcing agent and 0-70 parts by weight of a softener;5-40 parts by weight of a solid diene rubber (B) based on 100 parts by weight of said ethylene..alpha.-olefin copolymer rubber; and4-15 parts by weight of sulfur (C) based on 100 parts by weight of said ethylene..alpha.-olefin copolymer rubber,wherein said unvulcanized rubber composition is obtained by adding said solid diene rubber (B) and said sulfur (C) to said unvulcanized ethylene..alpha.-olefin rubber composition (A).
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公开(公告)号：US5344881A
公开(公告)日：1994-09-06
申请号：US77456
申请日：1993-06-17
CPC分类号： C08L63/00 , C08L23/0869 , C08L71/02 , C08L2312/00
摘要： A rubber composition which is vulcanizable with organic peroxides and provides vulcanized rubber excellent in oil resistance, heat resistance, low-temperature resistance and compression set. The composition comprises 30 to 95 parts by weight of the following component (A) and 70 to 5 parts by weight of the following component (B) (wherein component (A)+component (B)=100 parts by weight) as well as 1 to 10 parts by weight of the following component (C) per 100 parts by weight of the total amount of the components (A) and (B):component (A): an ethylene-acrylate or ethylene-methacrylate copolymer rubber wherein the amount ratio in mole of ethylene and acrylate or methacrylate is in the range from 50:50 to 85:15,component (B): an epichlorohydrin rubber which is vulcanizable with an organic peroxide and has unsaturated carbon-carbon double bonds as a vulcanizable group in the amount of 1 to 15 mole % in the rubber, andcomponent (C): a multifunctional epoxy compound of a weight-average molecular weight in the range of 100 to 15,000 and of an epoxy equivalent in the range of 10 to 10,000 containing an epoxy ring.
摘要翻译： 一种可与有机过氧化物硫化并提供耐油性，耐热性，耐低温性和压缩永久变形优异的硫化橡胶的橡胶组合物。 组合物包含30至95重量份的以下组分（A）和70至5重量份的以下组分（B）（其中组分（A）+组分（B）= 100重量份））以及 组分（A）和（B）的总量每100重量份中的组分（C）1至10重量份：组分（A）：乙烯 - 丙烯酸酯或乙烯 - 甲基丙烯酸酯共聚物橡胶，其中 乙烯和丙烯酸酯或甲基丙烯酸酯的摩尔数量比在50:50至85:15的范围内，组分（B）：可用有机过氧化物硫化并具有不饱和碳 - 碳双键作为可硫化基团的表氯醇橡胶 橡胶中的含量为1〜15摩尔％，成分（C）：重均分子量为100〜15000，环氧当量为10〜10,000的多官能环氧化合物，含有 环氧环。
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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
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。
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公开(公告)号：US5610226A
公开(公告)日：1997-03-11
申请号：US446136
申请日：1995-05-22
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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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
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。
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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
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。
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