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    • 8. 发明授权
    • Encapsulated nanoscale particles of organic pigments
    • 封装的纳米级有机颜料颗粒
    • US08815394B2
    • 2014-08-26
    • US12400385
    • 2009-03-09
    • Rina CarliniRoger E. GaynorPaul F. Smith
    • Rina CarliniRoger E. GaynorPaul F. Smith
    • C08K5/3437C08K5/23C08G18/63C08G18/08C09D11/00C09D11/02C09B67/46C09B67/08
    • C09B67/0013C09B67/009C09D11/00C09D11/037C09D11/322Y10T428/2984
    • Encapsulated nanoscale particles of organic pigments include a polymer-based encapsulating material, and one or more nanoscale organic pigment particles encapsulated by the polymer-based encapsulating material. Such encapsulated nanoscale particles of organic pigments can be made by providing nanosized organic pigment particles comprised of surface-associated sterically bulky stabilizer compounds; providing a copolymer material comprising organic pigment-affinic functional groups and non pigment affinic monomer units; associating the nanoscale organic pigment particles with the copolymer material so as to effect a deposited layer or shell of the copolymer material around said nanoscale organic pigment particles, thereby producing an encapsulated nanoscale organic pigment particle; and optionally further reinforcing the encapsulated nanosized organic pigment particle with one or more surface treatments.
    • 有机颜料的包封的纳米尺寸颗粒包括基于聚合物的包封材料和由聚合物基封装材料包封的一种或多种纳米级有机颜料颗粒。 有机颜料的这种包封的纳米级颗粒可以通过提供由表面相关的空间庞大的稳定剂化合物组成的纳米有机颜料颗粒来制备; 提供包含有机颜料亲和官能团和非颜料亲合单体单元的共聚物材料; 使纳米级有机颜料颗粒与共聚物材料结合,以便在所述纳米级有机颜料颗粒周围实现共聚物材料的沉积层或壳层,从而制备包封的纳米级有机颜料颗粒; 并且任选地通过一次或多次表面处理进一步增强包封的纳米尺寸有机颜料颗粒。