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    • 1. 发明申请
    • Amorphous silica coating for heat reflectivity and heat resistance
    • 无定形二氧化硅涂层,用于热反射和耐热性
    • US20070232731A1
    • 2007-10-04
    • US11803469
    • 2007-05-15
    • James KnockeAlbert BeattyThomas Sharp
    • James KnockeAlbert BeattyThomas Sharp
    • C08K5/49B60C1/00
    • C08K5/5205C08K5/0066
    • A composition for improving the heat reflectivity and the heat resistance of a metal substrate. The coating composition comprises a latex resin including acrylic polymers; silica; and a fire retardant including at least one of a phosphated pentaerythritol ammonium salt, an organo-polyphosphate ammonium salt, an ammonium salt, and a Magnesium salt. The silica reflects and resists heat. Additionally, the silica raises the decomposition temperature of the resin by insulating the resin from heat and reflecting heat away from the resin. This, in turn, increases the ability of the composition to maintain its bond to the substrate at high temperatures. As such, the coating remains on the substrate where it reflects and resists heat, i.e., it does not easily brush or rub off after several hours of exposure to high heat. The silica can be rice hull silica.
    • 一种用于改善金属基板的热反射率和耐热性的组合物。 涂料组合物包括包含丙烯酸聚合物的胶乳树脂; 二氧化硅 以及包含磷酸化季戊四醇铵盐,有机多磷酸铵盐,铵盐和镁盐中的至少一种的阻燃剂。 二氧化硅反射并抵抗热量。 此外,二氧化硅通过使树脂绝热而将热量从树脂上反射而提高树脂的分解温度。 这反过来又增加了组合物在高温下保持其与基材结合的能力。 因此,涂层保留在基板上,其反射并抵抗热量,即在暴露于高热几小时之后不容易刷毛或擦除。 二氧化硅可以是稻壳二氧化硅。