Radiation curable ink containing fluorescent nanoparticles
    75.
    发明授权
    Radiation curable ink containing fluorescent nanoparticles 有权
    含荧光纳米粒子的可辐射固化油墨

    公开(公告)号:US08222313B2

    公开(公告)日:2012-07-17

    申请号:US12245782

    申请日:2008-10-06

    摘要: Radiation curable compositions, such as UV curable ink compositions, contain a polymeric dispersant, a curable material, that includes a carrier and at least one nanoscale fluorescent pigment particle and an optional non-fluorescent colorant. The fluorescent organic nanoparticle composition includes one or more fluorescent dyes dispersed in a polymeric matrix obtained by modified EA latex process or by emulsion polymerization. In a different embodiment, the nanoscale fluorescent pigment particle composition includes pigment molecules with at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, the functional moiety of the pigment associates non-covalently with the functional group of the stabilizer, and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale-sized pigment particles.

    摘要翻译: 可辐射固化的组合物,例如UV可固化油墨组合物,包含聚合物分散剂,可固化材料,其包括载体和至少一种纳米级荧光颜料颗粒和任选的非荧光着色剂。 荧光有机纳米颗粒组合物包括分散在通过改性EA胶乳工艺或通过乳液聚合获得的聚合物基质中的一种或多种荧光染料。 在不同的实施方案中,纳米级荧光颜料颗粒组合物包括具有至少一个官能部分的颜料分子和包含至少一个官能团的空间庞大稳定剂化合物,颜料的官能部分与非官能团的官能团非共价键合 稳定剂,并且相关稳定剂的存在限制了颗粒生长和聚集的程度,以提供纳米尺寸的颜料颗粒。