Silica reinforced rubber compositions of improved processability and storage stability
    11.
    发明授权
    Silica reinforced rubber compositions of improved processability and storage stability 失效
    二氧化硅增强橡胶组合物具有改善的加工性能和储存稳定性

    公开(公告)号:US06482884B1

    公开(公告)日:2002-11-19

    申请号:US09571503

    申请日:2000-05-15

    IPC分类号: C08K336

    摘要: The disclosure relates to a process for improving the processability, storage stability and/or cure rate of an uncured silica reinforced rubber composition where silica comprises the major filler in the reinforced rubber composition, which comprises combining a mixture comprising, rubber, silica and at least one organic compound having a low molecular weight and a functional group wherein said functional group is at least an epoxy group, such as an epoxy/ether, epoxy/hydroxyl, epoxy/ester, epoxy/amine, ether/amine, episulfide, episulfide/ether, episulfide/hydroxyl, episulfide/ester functional group located in a terminal or sterically unhindered position in the molecule of said organic compound where the molecular weight of said organic compound having a low molecular weight is less than 7,000, or the organic compound comprises an abietyl, styrenated resorcinol formaldehyde, or ester hydroxyl organic compound having a hydroxyl, ester, and optionally, an ether group, such as an ester diol.

    摘要翻译: 本公开涉及一种用于改进未固化二氧化硅增强橡胶组合物的加工性能,储存稳定性和/或固化速率的方法,其中二氧化硅包括增强橡胶组合物中的主要填料,其包括将包含橡胶,二氧化硅和至少 一种具有低分子量和官能团的有机化合物,其中所述官能团至少为环氧基,例如环氧/醚,环氧/羟基,环氧/酯,环氧/胺,醚/胺,环硫,环硫/ 醚,环硫化物/羟基,环硫化物/酯官能团位于所述有机化合物的分子中的末端或空间位置,其中所述低分子量的有机化合物的分子量小于7,000,或有机化合物包括 芳基,苯乙烯化间苯二酚甲醛或具有羟基,酯和任选的醚基的酯羟基有机化合物,例如酯dio l。