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    • 62. 发明授权
    • Fire retardancy and shape retention reinforced polyester
    • 阻燃和形状保持增强聚酯
    • US08142689B2
    • 2012-03-27
    • US12597288
    • 2007-05-01
    • Yong Jong Lee
    • Yong Jong Lee
    • C09K21/00C04B12/04C04B28/26C04B35/16C04B24/10C04B24/00C09D1/02C09J1/02
    • C08G18/283C08G18/3895C08G18/7657C08J3/215C08J7/047C08J2401/28C08J2433/04C08J2475/04C08K3/20C08L1/286C08L33/08C08L33/18C08L67/00C08L75/04C08L2201/02C08L2666/02
    • Disclosed herein is a composition for imparting superior fire retardancy and shape-retaining properties to polyester. The composition comprises 55 to 75% by weight of a sodium silicate solution, 0.5 to 7% by weight of carboxyl methyl cellulose, 0.7 to 10% by weight of a urethane resin, 0.7 to 10% by weight of an acrylic resin mixture and the remaining weight percent of water, based on 100% by weight of the composition, wherein the sodium silicate solution consists of Na2O and SiO2 in a molar ratio of 1:2.1 to 1:2.9, the urethane resin consists of 70 to 80% by weight of methylene diphenyl isocyanate and 20 to 30% by weight of methylpolyglycol, and the acrylic resin mixture consists of 36 to 40% by weight of a butyl acrylate monomer, 10 to 13% by weight of methyl methacrylate, 1 to 2% by weight of an emulsifier, 3 to 5% by weight of acrylic acid and the remaining weight percent of water.Disclosed herein are further a method for preparing the composition and a method for applying the composition to a polyester resin. The composition-applied polyester resin is suitable for use as an automobile NVH component, in particular, a sound-absorbing heat-insulation component of an engine room.
    • 本文公开了一种用于赋予聚酯优异的阻燃性和保形性的组合物。 该组合物包含55至75重量%的硅酸钠溶液,0.5至7重量%的羧甲基纤维素,0.7至10重量%的聚氨酯树脂,0.7至10重量%的丙烯酸树脂混合物和 基于组合物的100重量%的剩余重量百分比的水,其中硅酸钠溶液由摩尔比为1:2.1至1:2.9的Na 2 O和SiO 2组成,聚氨酯树脂由70至80重量% 的亚甲基二苯基异氰酸酯和20〜30重量%的甲基聚乙二醇,丙烯酸树脂混合物由36〜40重量%的丙烯酸丁酯单体,10〜13重量%的甲基丙烯酸甲酯,1〜2重量% 乳化剂,3至5重量%的丙烯酸和剩余重量百分比的水。 本文公开了一种制备该组合物的方法以及将该组合物施用于聚酯树脂的方法。 组合物应用的聚酯树脂适合用作汽车NVH组分,特别是发动机室的吸音隔热组件。