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    • 9. 发明授权
    • Foamed aqueous composition
    • 发泡水组成
    • US09469738B1
    • 2016-10-18
    • US15144875
    • 2016-05-03
    • Eastman Kodak Company
    • Mridula NairMary Christine BrickEllen J. Pyszczek
    • C08J9/00
    • C08J9/0066C08J9/0061C08J9/30C08J9/35C08J2203/06C09D5/32C09D7/65C09D7/70D06N3/0006D06N3/0036D06N3/0045D06N3/0047D06N3/0063D06N3/0065D06N3/042D06N2209/025D06N2209/0853D06N2211/122D06N2211/125
    • Foamable aqueous compositions can be used to form light-blocking and light-colored foamed, opacifying elements with one or more dry foamed layers. The compositions contain: (a) 0.05 to 20 weight % of porous particles comprising a continuous polymeric phase and a first set of discrete pores, the porous particles having a mode particle size of 2 to 50 μm; (b) at least 20 weight % of a binder material (that can be curable); (c) 0.1 to 30 weight % of one or more additives including dispersants, plasticizers, inorganic or organic pigments or dyes, thickeners, flame retardants, biocides, fungicides, optical brighteners, tinting colorants, metal flakes, and inorganic or organic fillers; (d) water; and (e) at least 0.001 weight % of an opacifying colorant different from (c), which opacifying colorant absorbs electromagnetic radiation. The foamable aqueous composition can be aerated, disposed on a porous substrate, dried, and crushed on that porous substrate.
    • 可发泡的含水组合物可用于形成具有一个或多个干发泡层的遮光和浅色发泡的遮光元件。 组合物包含:(a)0.05至20重量%的包含连续聚合相和第一组离散孔的多孔颗粒,多孔颗粒的模式粒径为2至50μm; (b)至少20重量%的粘合剂材料(可固化); (c)0.1至30重量%的一种或多种添加剂,包括分散剂,增塑剂,无机或有机颜料或染料,增稠剂,阻燃剂,杀生物剂,杀真菌剂,荧光增白剂,着色着色剂,金属薄片和无机或有机填料; (d)水; 和(e)至少0.001重量%的不同于(c)的遮光着色剂,其不透明着色剂吸收电磁辐射。 可发泡的水性组合物可以充气,置于多孔基材上,干燥并在该多孔基材上粉碎。