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    • 3. 发明授权
    • Preparation and use of composite of rubber and carbon black aggregates and articles of manufacture, including tires, having a component comprised thereof
    • 橡胶和炭黑聚集体和制品(包括轮胎)的复合材料的制备和使用,其具有由其组成的组分
    • US06800126B2
    • 2004-10-05
    • US10345536
    • 2003-01-16
    • Fredrick Lewis MagnusRamesh Gujarathi
    • Fredrick Lewis MagnusRamesh Gujarathi
    • C08L900
    • C08J3/2053C08J3/21C08J2309/00C08L53/02Y10T152/10
    • This invention relates to preparation and use of a rubber/carbon black composite comprised of at least one elastomer which contains a dispersion therein of carbon black aggregates. Such carbon black is formed by preparing a pre-blend comprised of uncompacted carbon black aggregates and oil and/or aqueous latex of, preferably, a low molecular weight diene-based elastomer particles, followed by blending said pre-blend with an aqueous emulsion of diene-based elastomer particles and/or with an organic solution of a diene-based elastomer, and/or with solid diene-based elastomers, and recovery therefrom of a solid rubber/carbon black composite comprised of said diene-based elastomer, (which may include butyl rubber, EPDM rubber and thermoplastic polymers), which contains a dispersion therein of said carbon black aggregates having an apparent density significantly lower than the specific gravity of said carbon black aggregates and significantly lower than compacted carbon black aggregates. Such carbon black aggregates may be optionally in a form of silica treated carbon black which contains silica domains on its surface. A rubber composition is further provided which is comprised of said rubber/carbon black composite. An article of manufacture is also provided, such as a tire, having at least component comprised of said rubber/carbon black composite or said rubber composition.
    • 本发明涉及由至少一种在其中含有炭黑聚集体的分散体的弹性体组成的橡胶/炭黑复合材料的制备和使用。 这样的炭黑通过制备由未压缩的炭黑聚集体和优选低分子量二烯基弹性体颗粒的油和/或水性胶乳组成的预混物形成,然后将所述预共混物与 二烯基弹性体颗粒和/或二烯类弹性体的有机溶液和/或与固体二烯类弹性体的有机溶液,以及由所述二烯类弹性体组成的固体橡胶/炭黑复合物的回收(其中 可以包括丁基橡胶,EPDM橡胶和热塑性聚合物),其中含有所述炭黑聚集体的分散体,其表观密度显着低于所述炭黑聚集体的比重,并显着低于压实的炭黑聚集体。 这样的炭黑聚集体可以任选地是二氧化硅处理的炭黑的形式,其表面上含有二氧化硅结构域。 进一步提供由所述橡胶/炭黑复合材料构成的橡胶组合物。 还提供了制造品,例如具有至少由所述橡胶/炭黑复合材料或所述橡胶组合物组成的组分的轮胎。