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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。