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    • 51. 发明专利
    • Antioxidant composition
    • 抗氧化剂组合物
    • JPS5971340A
    • 1984-04-23
    • JP18265282
    • 1982-10-18
    • Toyota Central Res & Dev Lab Inc
    • UEGAKITO OSAMIDOI HARUOFUKUSHIMA YOSHIAKIMORI KANJI
    • C08K3/00C08K3/34C08K5/00C08K5/17C08K5/18C08L1/00C08L7/00C08L21/00C08L27/00C08L33/00C08L33/02
    • PURPOSE: To provide the titled composition resistant to the dissipation of the agent even in the use at a high temperature or in the presence of an organic solvent, and capable of keeping the heat-resistance, etc. of rubber, etc. for a long period, by adding N,N'-diphenyl-p-phenylenediamine as an antioxidant to a clay mineral.
      CONSTITUTION: The objective composition can be prepared by crushing a clay mineral such as montmorillonite with e.g. a ball mill preferably to an average particle diameter of ≤50μ, immersing the powder in a solution of an antioxidant comprising N,N'-diphenyl-p-phenylene-diamine to apply the agent to the surface of the clay mineral or to impregnate the agent between the lamellae of the mineral, and drying the product. The amount of the agent is preferably 0.01W 10wt%, based on the clay mineral. The composition is added to a rubber component in an amount of usually 0.1W3wt%.
      EFFECT: The composition improves the ozone crack resistance and flex cracking resistance of an organic polymer materials such as rubber materials, etc.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:即使在高温下或有机溶剂的存在下,即使在长时间使用橡胶等的耐热性等方面,也能够提供耐药剂消散的标题组合物 通过将N,N'-二苯基对苯二胺作为抗氧化剂添加到粘土矿物中。 构成:目标组合物可以通过如下方法制备:将例如蒙脱土的粘土矿物粉碎 球磨机优选平均粒径<= 50mu,将粉末浸入包含N,N'-二苯基 - 对苯二胺的抗氧化剂的溶液中,以将试剂施用于粘土矿物的表面或浸渍 在矿物的薄片之间的代理,并干燥产品。 基于粘土矿物,试剂的量优选为0.01〜10重量%。 该组合物通常以0.1-3重量%的量加入到橡胶组分中。 效果:该组合物提高了橡胶材料等有机高分子材料的耐臭氧裂纹性和抗起裂性。
    • 52. 发明专利
    • Sealing material
    • 密封材料
    • JPS5730780A
    • 1982-02-19
    • JP10537980
    • 1980-07-31
    • Toyota Central Res & Dev Lab Inc
    • UEGAKITO OSAMIDOI HARUOFUKUSHIMA YOSHIAKI
    • C09K3/10F16J15/00
    • PURPOSE: To prepare a sealing material having high strength, flexibility, compressibility, etc. and excellent heat resistance, easily, at a low cost, by laminating and bonding flakes obtained by crushing vermiculite as a main component, to form a sheet product.
      CONSTITUTION: Vermiculite (a lamellar mineral composed of aluminum silicate as a substrate) is calcined pref. at 300W500°C, and the expanded vermiculite thus obtained is crushed with a wet mixer to obtain flakes [pref. having a thickness of ≤100μ, and an aspect ratio (the ratio of the square root of the area of the surface perpendicular to the thickness, to the thickness) of ≥5], which are laminated (e.g. dispersed in water and spontaneously precipitated or forcibly filtered) and bonded together with a press, etc., to obtain the objective sheetlike material.
      USE: An engine gasket, etc.
      COPYRIGHT: (C)1982,JPO&Japio
    • 目的:通过层压和接合通过粉碎蛭石作为主要成分获得的薄片,可以容易地以低成本制备具有高强度,柔韧性,可压缩性等和耐热性优异的密封材料,以形成片状产品。 构成:将蛭石(由硅酸铝作为基材构成的层状矿物)煅烧成预制。 在300-500℃下,将由此获得的膨胀蛭石用湿式混合机粉碎,得到薄片[ 厚度<100mu,纵横比(表面垂直于厚度的面积的平方根与厚度之比> = 5]]层叠(例如分散在水中并自发地 沉淀或强制过滤),并用压机等粘合在一起,得到目标片状材料。 使用:发动机垫片等