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    • 3. 发明授权
    • Rubber composition
    • 橡胶组成
    • US4414363A
    • 1983-11-08
    • US388973
    • 1982-06-16
    • Shuichi AkitaTakeshi ChidaHiroyuki WatanabeAkio Ueda
    • Shuichi AkitaTakeshi ChidaHiroyuki WatanabeAkio Ueda
    • C08L9/00C08L47/00
    • C08L7/00C08L9/00
    • A rubber composition comprising as main components (1) at least one rubber having a glass transition temperature of from -45.degree. C. to 0.degree. C. and selected from the group consisting of an isoprene-butadiene copolymer rubber and polyisoprene rubber and (2) at least one rubber selected from the group consisting of natural rubber and cis-1,4-polyisoprene rubber having a cis-1,4-linkage content of at least 90 mole %, said composition having a value, defined by the following formula, of at least 10,[(R-53)+(S-100)]wherein R is a rebound (%) measured at 51.degree. C. by a Dunlop Tripso meter for a vulcanized product of said rubber composition, and S, as defined in the specification, is a wet skid resistance index on a road surface defined by ASTM E-303-74 which is determined at 19.degree. C. by a portable skid tester for a vulcanized product of said rubber composition.
    • 一种橡胶组合物,其包含主要组分(1)至少一种玻璃化转变温度为-45℃至0℃的橡胶,并且选自异戊二烯 - 丁二烯共聚物橡胶和聚异戊二烯橡胶和(2 )至少一种选自顺式-1,4-键含量为至少90摩尔%的天然橡胶和顺式-1,4-聚异戊二烯橡胶的橡胶,所述组合物具有由下式定义的值 至少10,[(R-53)+(S-100)]其中R是在51℃下用于所述橡胶组合物的硫化产品的Dunlop Tripso计测量的回弹率(%), 如在说明书中所定义的,是由ASTM E-303-74限定的路面上的抗湿滑性指数,其通过用于所述橡胶组合物的硫化产品的便携式防滑测试仪在19℃下测定。
    • 4. 发明授权
    • Rubber composition for tire treads
    • 轮胎胎面橡胶组合物
    • US4555548A
    • 1985-11-26
    • US643420
    • 1984-08-23
    • Akio UedaShuichi AkitaTakeshi Chida
    • Akio UedaShuichi AkitaTakeshi Chida
    • B60C1/00C08C19/44C08L9/06C08L7/00C08L9/00
    • C08L7/00B60C1/0016C08C19/44C08L21/00C08L9/06C08L9/00
    • A rubber composition for tire treads, comprising [I] 10 to 90% by weight of a styrene-butadiene copolymer rubber containing not more than 40% by weight of bound styrene and having bonded to a carbon atom of the rubber molecular chain at least 0.1 mole, per mole of the rubber molecular chain, of an atomic grouping represented by the following formula ##STR1## wherein: X represents O or S,R.sub.1 and R.sub.2 are identical or different and each represents an amino group or an alkyl-substituted amino group,R.sub.3 and R.sub.4 are identical or different and each represents a substituent other than the above-mentioned,m, p and q each represent O or an integer of at least 1,n represents an integer of at least 1, m+p=0-5, and n+q=1-5,and [II] 90 to 10% by weight of at least one rubber selected from the group consisting of styrene-butadiene copolymer rubber having a bound styrene content of not more than 40% by weight and polyisoprene rubber.
    • 一种用于轮胎胎面的橡胶组合物,其包含[I] 10至90重量%的含有不超过40重量%的结合苯乙烯并且与橡胶分子链的碳原子键合的苯乙烯 - 丁二烯共聚物橡胶至少为0.1 摩尔每摩尔橡胶分子链,由下式表示的原子组分其中:X表示O或S,R 1和R 2相同或不同,各自表示氨基或烷基取代的氨基 ,R 3和R 4相同或不同,各自表示除上述以外的取代基,m,p和q各自表示O或至少为1的整数,n表示至少为1的整数,m + p = 0 -5和n + q = 1-5,和[II] 90至10重量%的选自苯乙烯含量不大于40%的苯乙烯含量的苯乙烯 - 丁二烯共聚物橡胶中的至少一种橡胶由 重量和聚异戊二烯橡胶。
    • 5. 发明授权
    • Rubber composition for tire treads
    • 轮胎胎面橡胶组合物
    • US4555547A
    • 1985-11-26
    • US643421
    • 1984-08-23
    • Akio UedaShuichi AkitaToshio Namizuka
    • Akio UedaShuichi AkitaToshio Namizuka
    • B60C1/00C08C19/44C08L9/00C08L7/00C08L9/06
    • C08L7/00B60C1/0016C08C19/44C08L9/00C08L9/06
    • A rubber composition for tire treads, comprising [I] 10 to 70% by weight of a polybutadiene rubber having bonded to a carbon atom of the rubber molecular chain at least 0.1 mole, per mole of the rubber molecular chain, of an atomic grouping represented by the following formula ##STR1## wherein X represents O or S, R.sub.1 and R.sub.2 are identical or different and each represents an amino group or an alkyl-substituted amino group, R.sub.3 and R.sub.4 are identical or different and each represents a substituent other than the above-mentioned, m, p and q each represent O or an integer of at least 1, n represents an integer of at least 1, m+p=0-5, and n+q=1-5,and [II] 90 to 30% by weight of at least one rubber selected from the group consisting of styrene-butadiene copolymer rubber having a bound stryene content of not more than 50% by weight and polyisoprene rubber.
    • 一种用于轮胎胎面的橡胶组合物,其包含10至70重量%的聚丁二烯橡胶,其每摩尔橡胶分子链与橡胶分子链的碳原子键合至少0.1摩尔,表示为原子组 通过下式通过其中X表示O或S,R 1和R 2相同或不同,各自表示氨基或烷基取代的氨基,R 3和R 4相同或不同,并且各自表示除 上述m,p和q各自表示O或至少为1的整数,n表示至少为1的整数,m + p = 0-5,n + q = 1-5,[II] 90〜30重量%的选自苯乙烯 - 丁二烯共聚物橡胶中的至少一种橡胶,其结合的苯乙烯含量不超过50重量%,聚异戊二烯橡胶。
    • 6. 发明授权
    • Process for preparing rubber composition for tire treads
    • 制备轮胎胎面橡胶组合物的方法
    • US4321168A
    • 1982-03-23
    • US116887
    • 1980-01-30
    • Akio UedaShuichi AkitaHiroshi HirakawaAsahiro Ahagon
    • Akio UedaShuichi AkitaHiroshi HirakawaAsahiro Ahagon
    • C08L7/00B60C1/00C08J3/20C08J3/22C08K3/04C08K3/18C08L21/00C08L47/00
    • B60C1/0016C08L21/00Y10S152/905
    • A process for preparing a tire tread rubber composition having improved rolling resistance and wet skid resistance comprising [I] 100 parts by weight of a rubber material composed of 25 to 75% by weight of substantially amorphous polybutadiene having a 1,2-bond unit content of 65 to 90 mole % and a Mooney viscosity (ML.sub.1+4, 100.degree. C.) of 20 to 100 and 75 to 25% by weight of natural rubber and/or cis-1,4-polyisoprene, and [II] 40 to 70 parts by weight of carbon black, said process comprising (1) mechanically compounding 40 to 60 parts by weight of the rubber material [I] with 40 to 70 parts by weight of carbon black [II], and then (2) adding to the resulting mixture the rubber material [I] in an amount sufficient to adjust the amount of the carbon black [II] to 40 to 70 parts by weight per 100 parts by weight of the rubber material [I] and mechanically compounding them.
    • 一种制备具有改善的滚动阻力和耐湿滑性的轮胎胎面橡胶组合物的方法,其包括:[I] 100重量份由25-75重量%的具有1,2-键单元含量的基本无定形聚丁二烯组成的橡胶材料 为65至90摩尔%,门尼粘度(ML1 + 4,100℃)为20至100和75至25重量%的天然橡胶和/或顺式-1,4-聚异戊二烯,和[II] 40 至70重量份的炭黑,所述方法包括(1)将40至60重量份的橡胶材料[I]与40至70重量份的炭黑[II]机械混合,然后(2)加入 对于所得混合物,橡胶材料[I]的量足以将炭黑[II]的量调节至40至70重量份/ 100重量份的橡胶材料[I]并机械混合它们。
    • 7. 发明授权
    • Rubber composition for tire tread
    • 轮胎胎面橡胶组合物
    • US4224197A
    • 1980-09-23
    • US55520
    • 1979-07-09
    • Akio UedaShuichi Akita
    • Akio UedaShuichi Akita
    • C08L47/00B60C1/00C08L7/00C08L9/00C08L21/00C08L45/00
    • B60C1/0016C08L9/00C08L7/00C08L9/06Y10S152/905
    • A rubber composition for the tread of tire having reduced rolling resistance and increased wet skid resistance with the mechanical properties unimpaired, said rubber composition comprising 20 to 80% by weight of (I) essentially amorphous polybutadiene having a 1,2-bond units content of at least 70% and a Mooney viscosity (ML.sub.1+4, 100.degree. C.) of 10 to 100; 10 to 75% by weight of (II) polybutadiene rubber having a 1,2-bond units content of 20% or less and a Mooney viscosity (ML.sub.1+4, 100.degree. C.) of 20 to 130; and 3 to 35% by weight of (III) at least one rubber selected from styrene/butadiene copolymer rubber having a bound styrene content of 15 to 25% by weight, natural rubber, and polyisoprene rubber having a cis-1,4-bond units content of at least 90%.
    • 一种用于轮胎胎面的橡胶组合物,具有降低的滚动阻力和增加的耐湿滑性,机械性能未受损,所述橡胶组合物包含20至80重量%的(I)基本无定形聚丁二烯,其具有1,2-键单元含量 至少70%,门尼粘度(ML1 + 4,100℃)为10〜100; 10〜75重量%的1,2-结构单元含量为20%以下,门尼粘度(ML1 + 4,100℃)为20〜130的(II)聚丁二烯橡胶; 和3〜35重量%的(III)选自苯乙烯含量为15〜25重量%的苯乙烯/丁二烯共聚物橡胶中的至少一种橡胶,天然橡胶和具有顺式-1,4-键的聚异戊二烯橡胶 单位含量至少为90%。