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    • 3. 发明授权
    • Heterogeneous silica carbon black-filled rubber compound
    • 异质二氧化硅炭黑填充胶料
    • US6121367A
    • 2000-09-19
    • US153438
    • 1998-09-15
    • Filomeno Gennaro CorvasceGiorgio AgostiniPierre Marie Jean Dauvister
    • Filomeno Gennaro CorvasceGiorgio AgostiniPierre Marie Jean Dauvister
    • C08J3/20C08J3/22C08K3/04C08K3/36C08L21/00C08K3/00
    • C08J3/226C08K3/04C08K3/36C08J2321/00C08J2421/00
    • The present invention relates to a heterogeneous silica/carbon black-filled rubber compound and a process for making the same. The rubber compound has improved (lower) electrical resistivity compared to homogeneous silica-filled rubber compounds. The process comprises(a) intimately dispersing from 30 to 60 phr of a silica filler and 5 to 80 phr of a carbon black in a first rubber to form a first nonproductive compound;(b) intimately dispersing curatives in said first nonproductive compound to form a first productive compound;(c) separately intimately dispersing from 20 to 100 phr of a silica filler in a second rubber, which is different from said first rubber, to form a second nonproductive compound; and(d) intimately dispersing curatives in said second nonproductive compound to form a second productive compound; and(e) mixing said first productive compound with said second productive compound to form a heterogeneous silica/carbon black-filled rubber compound.
    • 本发明涉及非均相二氧化硅/炭黑填充橡胶化合物及其制造方法。 与均质二氧化硅填充的橡胶化合物相比,橡胶混合物具有改善的(较低的)电阻率。 该方法包括(a)在第一橡胶中将30至60phr的二氧化硅填料和5至80phr的炭黑密切分散以形成第一非生产性化合物; (b)将硫化剂密封地分散在所述第一非生产性化合物中以形成第一生产性化合物; (c)在与所述第一橡胶不同的第二橡胶中分开地将20至100phr的二氧化硅填料密封分散以形成第二非生产性化合物; 和(d)在所述第二非生产性化合物中密切分散固化剂以形成第二生产性化合物; 和(e)将所述第一生产性化合物与所述第二生产性化合物混合以形成非均相二氧化硅/炭黑填充的橡胶化合物。
    • 4. 发明授权
    • Heterogeneous silica carbon black-filled rubber compound
    • 异质二氧化硅炭黑填充胶料
    • US06355719B1
    • 2002-03-12
    • US09627292
    • 2000-07-28
    • Filomeno Gennaro CorvasceGiorgio AgostiniPierre Marie Jean Dauvister
    • Filomeno Gennaro CorvasceGiorgio AgostiniPierre Marie Jean Dauvister
    • C08K304
    • C08J3/226C08J2321/00C08J2421/00C08K3/04C08K3/36C08L21/00
    • The present invention relates to a heterogeneous silica/carbon black-filled rubber compound and a process for making the same. The rubber compound has improved (lower) electrical resistivity compared to homogeneous silica-filled rubber compounds. The process comprises (a) intimately dispersing from 30 to 60 phr of a silica filler and 5 to 80 phr of a carbon black in a first rubber to form a first nonproductive compound; (b) intimately dispersing curatives in said first nonproductive compound to form a first productive compound; (c) separately intimately dispersing from 20 to 100 phr of a silica filler in a second rubber, which is different from said first rubber, to form a second nonproductive compound; and (d) intimately dispersing curatives in said second nonproductive compound to form a second productive compound; and (e) mixing said first productive compound with said second productive compound to form a heterogeneous silica/carbon black-filled rubber compound.
    • 本发明涉及非均相二氧化硅/炭黑填充橡胶化合物及其制造方法。 与均质二氧化硅填充的橡胶化合物相比,橡胶混合物具有改善的(较低的)电阻率。 该方法包括(a)在第一橡胶中从30至60phr的二氧化硅填料和5至80phr的炭黑紧密分散以形成第一非生产性化合物;(b)将固化剂密封地分散在所述第一非生产性化合物中以形成 第一生产性化合物;(c)在与所述第一橡胶不同的第二橡胶中分别从20至100phr的二氧化硅填料密度分散以形成第二非生产性化合物; 和(d)在所述第二非生产性化合物中密切分散固化剂以形成第二生产性化合物; 和(e)将所述第一生产性化合物与所述第二生产性化合物混合以形成非均相二氧化硅/炭黑填充的橡胶化合物。