公开(公告)号：US4328133A

公开(公告)日：1982-05-04

申请号：US276548

申请日：1981-06-23

申请人： Masaki Ogawa ,  Yasushi Hirata ,  Mikihiko Ikegami

发明人： Masaki Ogawa ,  Yasushi Hirata ,  Mikihiko Ikegami

IPC分类号： C08L21/00 ,  C08L69/00 ,  C08K3/04 ,  C08L7/00 ,  C08L9/00

CPC分类号： C08L21/00 ,  Y10T152/10513 ,  Y10T428/298

摘要： Organic micro-fiber reinforced rubber compositions having high elastic modulus, excellent crack growth resistance, impact cut resistance and rebound resilience and a small swell value are prepared by incorporating 10-100 parts by weight of carbon black, 3-30 parts by weight of organic micro-fibers based on 100 parts by weight of at least one rubber selected from a group consisting of natural rubber, synthetic polyisoprene rubber, butyl rubber, halogenated butyl rubber, polybutadiene rubber, styrene-butadiene copolymeric rubber, ethylene-propylene-diene ternary copolymeric rubber and acrylonitrile-butadiene copolymeric rubber, said micro-organic staple fibers being lower than 30.degree. C. or higher than 120.degree. C. in glass transition temperature of amorphous portion and higher than 160.degree. C. in melting point of crystal portion, and having an average length of the micro-fibers of 0.8-30 .mu.m, an average diameter of the micro-fibers of 0.02-0.8 .mu.m and a ratio of the average length of the micro-fibers to the average diameter of the micro-fibers of 8-400.

摘要翻译： 通过加入10-100重量份的炭黑，3-30重量份的有机物，制备具有高弹性模量，优异的抗裂纹生长性，抗冲击性和回弹性以及小膨胀值的有机微纤维增强橡胶组合物 基于100重量份的至少一种选自天然橡胶，合成聚异戊二烯橡胶，丁基橡胶，卤化丁基橡胶，聚丁二烯橡胶，苯乙烯 - 丁二烯共聚橡胶，乙烯 - 丙烯 - 二烯三元共聚物 橡胶和丙烯腈 - 丁二烯共聚橡胶，所述微有机短纤维在非晶部分的玻璃化转变温度低于30℃或高于120℃，高于160℃，晶体部分的熔点，以及 微纤维的平均长度为0.8〜30μm，微纤维的平均直径为0.02〜0.8μm，平均粒径 微纤维的微纤维的平均直径为8-400。

公开(公告)号：US4387757A

公开(公告)日：1983-06-14

申请号：US302937

申请日：1981-09-16

申请人： Masaki Ogawa ,  Mikihiko Ikegami

发明人： Masaki Ogawa ,  Mikihiko Ikegami

IPC分类号： C08L7/00 ,  B60C1/00 ,  B60C11/00 ,  C08F236/00 ,  C08F236/10 ,  C08K3/04 ,  C08L9/06 ,  C08L21/00 ,  C08L33/00 ,  C08L33/02

CPC分类号： C08L7/00 ,  B60C1/0016 ,  C08L9/06 ,  C08K3/04 ,  C08L9/00 ,  Y10S152/905 ,  Y10T152/10495

摘要： A pneumatic tire having a tread is disclosed, which comprises using in said tread a rubber composition containing 10 to 120 parts by weight of carbon black and 0.5 to 5 parts by weight of a vulcanizer based on 100 parts by weight of a novel styrene-butadiene copolymer rubber as defined below alone or a blend rubber of not less than 30 parts by weight of said copolymer rubber and not more than 70 parts by weight of the other diene rubber, said styrene-butadiene copolymer rubber being obtained by random copolymerization of styrene with 1,3-butadiene and satisfying the following requirements:(1) a content of bound styrene is 10 to 30% by weight;(2) a content of 1,2-bond in butadiene portion is 42 to 70% by weight;(3) a content of trans-1,4 bond in butadiene portion is not less than 25% by weight;(4) a value obtained by subtracting a content of cis-1,4 bond in butadiene portion from said content of trans-1,4 bond is not less than 8% by weight;(5) a relation between said content of bound styrene and said content of 1,2-bond is 65.ltoreq.1.7.times. the content of bound styrene (% by weight) + the content of 1,2-bond (% by weight) .ltoreq.100;(6) a weight mean molecular weight (M.sub.w) is 35.times.10.sup.4 to 65.times.10.sup.4 ;(7) a ratio of weight mean molecular weight (M.sub.w) to number mean molecular weight (M.sub.n) is not more than 2.3;(8) the number of peaks in molecular weight distribution curve is not less than 2; and(9) a relation between said weight mean molecular weight and said content of trans-1,4 bond is 75.ltoreq.M.sub.w .times.10.sup.-4 +1.3.times. the content of trans-1,4 bond (% by weight) .ltoreq.120.

摘要翻译： 公开了一种具有胎面的充气轮胎，其包括在所述胎面中使用含有10至120重量份炭黑的橡胶组合物和基于100重量份的新型苯乙烯 - 丁二烯的0.5至5重量份的硫化剂 共聚橡胶，或共混橡胶不少于30重量份的共混橡胶和不大于70重量份的其它二烯橡胶，所述苯乙烯 - 丁二烯共聚物橡胶是通过苯乙烯与 1,3-丁二烯，满足以下要求：（1）结合苯乙烯的含量为10〜30重量％ （2）丁二烯部分中的1,2-键含量为42〜70重量％ （3）丁二烯部分中的反式-1,4-键的含量不小于25重量％; （4）通过从所述反式-1,4-键的含量中减去丁二烯部分中的顺式-1,4-键的含量而得到的值不小于8重量％ （5）所述结合苯乙烯含量与所述1,2-键含量之间的关系为结合苯乙烯含量（重量％）+1.2键含量的65.7％（重量％ ）

公开(公告)号：US4433094A

公开(公告)日：1984-02-21

申请号：US408994

申请日：1982-08-17

申请人： Masaki Ogawa ,  Mikihiko Ikegami

发明人： Masaki Ogawa ,  Mikihiko Ikegami

IPC分类号： B60C1/00 ,  B60C11/00 ,  C08F236/10 ,  C08K3/04 ,  C08L9/06 ,  C08L21/00

CPC分类号： B60C1/0016 ,  C08L9/06 ,  C08K3/04 ,  C08K5/01 ,  C08L7/00 ,  C08L9/00 ,  Y10S152/905 ,  Y10T152/10495

摘要： A pneumatic tire comprising an improved tread is disclosed. The tread is composed of a rubber composition comprising 10-120 parts by weight of carbon black having an iodine adsorption number of not less than 36 mg/g and a dibutyl phthalate adsorption number of not less than 60 ml/100 g and 0.4-5 parts by weight of a vulcanizing agent based on 100 parts by weight of rubber content consisting of 40-100 parts by weight of styrene-butadiene copolymer rubber (hereinafter referred to as SBR-A) and 0-60 parts by weight of at least one diene rubber other than SBR-A; said SBR-A having a content of bound styrene (S) of 10-30 wt % and a content of 1,2-bond in butadiene portion (V) of 40-70 wt %, which are within a range of 65.ltoreq.1.7S+V.ltoreq.100, and satisfying that an amount of styrene sequence consisting of not less than 11 styrene monomer units is not more than 10 wt % of the content of bound styrene and an amount of styrene sequence consisting of not more than 5 styrene monomer units is not less than 80 wt % of the content of bound styrene.

公开(公告)号：US4387756A

公开(公告)日：1983-06-14

申请号：US300536

申请日：1981-09-09

申请人： Masaki Ogawa ,  Mikihiko Ikegami

发明人： Masaki Ogawa ,  Mikihiko Ikegami

IPC分类号： C08L7/00 ,  B60C1/00 ,  B60C11/00 ,  C08F236/00 ,  C08F236/04 ,  C08F236/10 ,  C08K3/04 ,  C08L9/06 ,  C08L21/00 ,  C08L33/00 ,  C08L33/02

CPC分类号： C08L7/00 ,  B60C1/0016 ,  C08L9/06 ,  C08K3/04 ,  C08K5/01 ,  C08L9/00 ,  Y10S152/905 ,  Y10T152/10495

摘要： A pneumatic tire having a tread is disclosed, which comprises using in said tread a rubber composition containing 10 to 120 parts by weight of carbon black and 0.5 to 5 parts by weight of a vulcanizer based on 100 parts by weight of a novel styrene-butadiene copolymer rubber as defined below alone or a blend rubber of not less than 30 parts by weight of said copolymer rubber and not more than 70 parts by weight of the other diene rubber, said styrene-butadiene copolymer rubber being obtained by random copolymerization of styrene with 1,3-butadiene and satisfying the following requirements:(1) a content of bound styrene is 12 to 35% by weight;(2) a content of 1,2-bond in butadiene portion is 25 to 45% by weight;(3) a content of trans-1,4 bond in butadiene portion is not less than 42% by weight;(4) a value obtained by subtracting a content of cis-1,4 bond in butadiene portion from said content of trans-1,4 bond is not less than 8% by weight;(5) a relation between said content of bound styrene and said content of 1,2-bond is 65.ltoreq.1.7.times.the content of bound styrene (% by weight)+the content of 1,2-bond (% by weight).ltoreq.100; and(6) a ratio of weight mean molecular weight (M.sub.w) to number mean molecular weight (M.sub.n) is not more than 2.3.

摘要翻译： 公开了一种具有胎面的充气轮胎，其包括在所述胎面中使用含有10至120重量份炭黑的橡胶组合物和基于100重量份的新型苯乙烯 - 丁二烯的0.5至5重量份的硫化剂 共聚橡胶，或共混橡胶不少于30重量份的共混橡胶和不大于70重量份的其它二烯橡胶，所述苯乙烯 - 丁二烯共聚物橡胶是通过苯乙烯与 1,3-丁二烯，满足以下要求：（1）结合苯乙烯的含量为12〜35重量％ （2）丁二烯部分中的1,2-键含量为25〜45重量％ （3）丁二烯部分中的反式-1,4-键的含量不小于42重量％; （4）通过从所述反式-1,4-键的含量中减去丁二烯部分中的顺式-1,4-键的含量而得到的值不小于8重量％ （5）所述结合苯乙烯含量与所述1,2-键含量之间的关系为65重量％结合苯乙烯含量（重量％）+ 1,2-键含量（重量％）

公开(公告)号：US4477621A

公开(公告)日：1984-10-16

申请号：US503453

申请日：1983-06-13

申请人： Susumu Sato ,  Masaru Onda ,  Mikihiko Ikegami

发明人： Susumu Sato ,  Masaru Onda ,  Mikihiko Ikegami

IPC分类号： C08L7/00 ,  C08K3/02 ,  C08K3/04 ,  C08L1/00 ,  C08L9/00 ,  C08L21/00 ,  C08L23/00 ,  C08L27/00 ,  C08L33/00 ,  C08L33/02 ,  C08L101/00 ,  B60C1/00

CPC分类号： C08K3/04 ,  Y10T152/10495

摘要： A rubber composition for use in tire having good reinforcing properties and fatigue properties and an improved heat build-up is disclosed, which comprises 30 to 60 parts by weight, based on 100 parts by weight of rubber, of a carbon black having a nitrogen adsorption value (N.sub.2 SA) of 35 to 105 m.sup.2 /g, a DBP absorption value of 140 to 200 ml/100 g, a 24M4DBP absorption value of 60 to 120 ml/100 g and a .DELTA.DBP of 50 to 110 ml/100 g defined by .DELTA.DBP=DBP absorption value-24M4DBP absorption value.

摘要翻译： 公开了一种用于具有良好的增强性能和疲劳性能以及改进的热积聚性的轮胎中的橡胶组合物，其包含30至60重量份，基于100重量份的橡胶，具有氮吸附的炭黑 值（N 2 SA）为35〜105m 2 / g，DBP吸收值为140〜200ml / 100g，24M4DBP吸收值为60〜120ml / 100g，DELTA DBP为50〜110ml / 100g 通过DELTA DBP = DBP吸收值-24M4DBP吸收值。