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    • 6. 发明申请
    • INTUMESCENT COATINGS
    • 国际涂料
    • WO2007102080A2
    • 2007-09-13
    • PCT/IB2007/000548
    • 2007-03-08
    • UNITED STATES MINERAL PRODUCTS COMPANY d/b/a ISOLATEK INTERNATIONAL
    • NUZZO, Charles, A.
    • B05D7/00
    • C09D5/185
    • A method of providing a thermal barrier between a fire and a combustible substrate, such as polyurethane foam, is provided. The method comprises the step of applying at least one coat of thin-film intumescent coating to the surface of the combustible substrate. The coating may be applied to the surface of the foam by any conventional means such as rolling or brushing, but is preferably spray applied with an airless sprayer. The thin-film intumescent coating may be solvent based but is preferably water based and preferably comprises polyvinyl acetate resins and inorganic fillers. The coating is typically applied range from 1-500 mils thick. The polyurethane foam is preferably spray-applied polyurethane foam with a density in the range of 0.5-3.2 lbs.
    • 提供了一种在火和可燃基底(例如聚氨酯泡沫)之间提供热障的方法。 该方法包括将至少一层薄膜膨胀涂层施加到可燃基底的表面上的步骤。 可以通过任何常规方法(例如滚动或刷涂)将涂层施加到泡沫表面,但优选用无空气喷雾器喷涂。 薄膜膨胀型涂层可以是溶剂型的,但优选为水基型,优选包括聚乙酸乙烯酯树脂和无机填料。 涂层通常的应用范围为1-500密尔厚。 聚氨酯泡沫优选为具有0.5-3.2磅范围内的密度的喷涂聚氨酯泡沫。