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    • 10. 发明申请
    • Method for Marking Materials
    • 标记材料的方法
    • US20080042106A1
    • 2008-02-21
    • US11569679
    • 2005-06-02
    • Simon ChampSven Holger BehrensWerner A. GoedelMahendra RaneTo NgaiSimon Nord
    • Simon ChampSven Holger BehrensWerner A. GoedelMahendra RaneTo NgaiSimon Nord
    • G01N31/00C08K7/16
    • C08F2/32
    • The invention relates to a method for the marking of materials with coded microparticies, wherein coded microparticles which are obtainable by (i) polymerization of at least one water-soluble monoethylenically unsaturated monomer in the presence of at least one ethylenically unsaturated monomer having at least two double bonds in the molecule by inverse water-in-oil suspension polymerization, doped nanoparticles being used as the suspending medium, (ii) emulsion polymerization of water-insoluble monoethylenically unsaturated monomers with from 0 to 10% by weight, based on the monomer mixture, of at least one ethylenically unsaturated monomer having at least two double bonds in the molecule, doped nanopartices being used as an emulsifier for stabilizing the disperse phase, (iii) polymerization of at least one ethylenically unsaturated monomer together with a copolymerizable dye which has an ethylenically unsaturated double bond, and, if appropriate, agglomeration of these partices or (iv) agglomeration of at least two different groups of microparticles which differ in their absorption, emission and/or scattering of electromagnetic radiation to give aggregates having a mean particle diameter of from 300 μm to 500 μm are used, the use of the coded microparticles for the marking of materials and the materials marked with the microparticles.
    • 本发明涉及用于标记具有编码微粒的材料的方法,其中编码的微粒可通过(i)至少一种水溶性单烯属不饱和单体在存在至少一种具有至少两个 通过反油包水悬浮聚合在分子中的双键,掺杂的纳米粒子用作悬浮介质,(ii)以单体混合物为基础的0至10重量%的水不溶性单烯属不饱和单体的乳液聚合 的至少一种在分子中具有至少两个双键的烯键式不饱和单体,掺杂的纳米颗粒用作用于稳定分散相的乳化剂,(iii)至少一种烯属不饱和单体与可共聚染料一起聚合, 烯键式不饱和双键,并且如果合适,这些颗粒的聚集或(即, v)使用电磁辐射的吸收,发射和/或散射不同的至少两个不同组的微粒的聚集,得到平均粒径为300μm至500μm的聚集体,使用编码的微粒用于 材料的标记和标有微粒的材料。