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公开(公告)号:US06969739B1
公开(公告)日:2005-11-29
申请号:US09856845
申请日:2000-09-26
CPC分类号: C08L63/08 , C08C19/44 , C08K3/36 , C08L19/006 , Y10S526/912
摘要: A diene polymer rubber composition comprising (A) 100 parts by weight of a raw material rubber comprising (A-1) a diene rubbery polymer which is a conjugated diene rubber polymer or conjugated diene-styrene rubbery copolymer (1) containing a modified component in an amount exceeding 60 wt. %, which modified component is obtained by reacting an active end of the rubbery polymer with a polyfunctional compound having, in its molecule, at least two epoxy groups, (2) having a molecular weight distribution Mw/Mn of 1.05 to 3.0, and (3) having weight-average molecular weight of 100,000 to 2,000,000; and based on 100 parts of the component (A), (B) 1–100 parts by weight of rubber extension oil, (C) 25–100 parts by weight of reinforcing silica, and (D) 1.0 to 20 parts by weight in total of a vulcanizing agent and a vulcanizing accelerator.
摘要翻译: 一种二烯聚合物橡胶组合物,其包含(A)100重量份的原料橡胶,其包含(A-1)作为共轭二烯橡胶聚合物的二烯橡胶状聚合物或含有改性成分的共轭二烯 - 苯乙烯橡胶共聚物(1) 超过60wt。 %,该改性成分是通过使橡胶状聚合物的活性末端与分子中至少有两个环氧基的多官能化合物反应得到的,(2)分子量分布Mw / Mn为1.05〜3.0,( 3)重均分子量为100,000〜2,000,000; 并且基于100份组分(A),(B)1-100重量份的橡胶延展油,(C)25-100重量份的增强二氧化硅,和(D)1.0至20重量份的 总计硫化剂和硫化促进剂。
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公开(公告)号:US06455635B1
公开(公告)日:2002-09-24
申请号:US09554310
申请日:2000-05-12
IPC分类号: C08F29700
CPC分类号: C08L23/10 , C08F297/04 , C08L53/00 , C08L53/02 , C08L53/025 , C08L2666/24 , C08L2666/04
摘要: A hydrogenated block copolymer which comprises at least two polymer blocks A each mainly comprising an aromatic vinyl hydrocarbon compound monomer unit and at least two hydrogenated polymer blocks B each mainly comprising a butadiene monomer unit, at least 90% of the olefinically unsaturated double bonds in said polymer block mainly comprising a butadiene monomer unit before hydrogenation having been hydrogenated, wherein at least one of the block at the terminal of the hydrogenated block copolymer is the polymer block B, wherein the proportion of the terminal polymer blocks B in the hydrogenated block copolymer is at least 0.1 wt % but less than 9.1 wt %, wherein the proportion of the aromatic vinyl hydrocarbon compound in the hydrogenated block copolymer exceeds 10 wt % but less than 25 wt %, wherein the 1,2-bond content of the polymer blocks mainly comprising a butadiene monomer unit before hydrogenation is, on average, at least 62 mole % but less than 99 mol %, and wherein the difference &Dgr;Tc (Tc1−Tc2) between the crystallization initiating temperature (Tc1) of the isotactic homopolypropylene and the crystallization initiating temperature (Tc2) of a mixture thereof with the hydrogenated block copolymer is at least 1.5° C.
摘要翻译: 一种氢化嵌段共聚物,其包含至少两个主要包含芳族乙烯基烃化合物单体单元的聚合物嵌段A和至少两个主要包含丁二烯单体单元的氢化聚合物嵌段B,所述氢化聚合物嵌段B中所述的至少90%的所述烯属不饱和双键 氢化前主要包含丁二烯单体单元的聚合物嵌段被氢化,其中氢化嵌段共聚物末端的至少一个嵌段是聚合物嵌段B,其中氢化嵌段共聚物中末端聚合物嵌段B的比例为 至少0.1重量%但小于9.1重量%,其中氢化嵌段共聚物中芳族乙烯基烃化合物的比例超过10重量%但小于25重量%,其中聚合物的1,2-键含量主要 氢化前的丁二烯单体单元平均为至少62摩尔%但小于99摩尔%,其中, 全同立构均聚丙烯的结晶起始温度(Tc1)与其与氢化嵌段共聚物的混合物的结晶起始温度(Tc2)之间的差值DELTATc(Tc1-Tc2)为至少1.5℃
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公开(公告)号:US06906152B2
公开(公告)日:2005-06-14
申请号:US10383542
申请日:2003-03-10
申请人: Akira Saito , Haruo Yamada , Hiromi Nakafutami
发明人: Yasunobu Nakafutami
CPC分类号: C08L63/08 , C08C19/44 , C08K3/36 , C08L19/006 , Y10S526/912
摘要: The present invention provides a diene rubber composition having excellent processability and being improved in both the balance between low rolling resistance and wet skid resistance, and strength properties. The composition according to the invention is a diene polymer rubber composition comprising (A) 100 parts by weight of a raw material rubber comprising (A-1) a diene rubbery polymer which is a conjugated diene rubbery polymer or a conjugated diene-styrene rubbery copolymer (1) containing a modified component in an amount exceeding 60 wt. %, which modified component is obtained by reacting an active end of the rubbery polymer with a polyfunctional compound having, in its molecule thereof, at least two epoxy groups, (2) having a molecular weight distribution Mw/Mn of 1.05 to 3.0, and (3) having a weight-average molecular weight of 100,000 to 2,000,000; and, based on 100 parts of the component (A), (B) 1 to 100 parts by weight of a rubber extension oil, (C) 25 to 100 parts by weight of reinforcing silica, and (D) 1.0 to 20 parts by weight in total of a vulcanizing agent and a vulcanizing accelerator.
摘要翻译: 本发明提供了具有优异的加工性能并且在低滚动阻力和抗湿滑性之间的平衡以及强度性能方面都得到改善的二烯橡胶组合物。 根据本发明的组合物是二烯聚合物橡胶组合物,其包含(A)100重量份的原料橡胶,其包含(A-1)二烯橡胶状聚合物,其为共轭二烯橡胶聚合物或共轭二烯 - 苯乙烯橡胶共聚物 (1)含有超过60重量%的改性组分。 %,该改性成分是通过使橡胶状聚合物的活性末端与其分子中具有至少两个环氧基的多官能化合物反应得到的,(2)分子量分布Mw / Mn为1.05〜3.0,以及 (3)重均分子量为100,000〜200万的重均分子量; 基于100份组分(A),(B)1至100份重量的橡胶延展油,(C)25至100份重量的增强二氧化硅,和(D)1.0至20份 硫化剂和硫化促进剂的总重量。
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