Opacifying particles and compositions formed therefrom
    10.
    发明专利
    Opacifying particles and compositions formed therefrom 审中-公开
    优选颗粒和组合物形成

    公开(公告)号:JP2013136776A

    公开(公告)日:2013-07-11

    申请号:JP2013035886

    申请日:2013-02-26

    发明人: BROWN WARD THOMAS

    IPC分类号: C09C3/10 C09D7/12 C09D201/00

    摘要: PROBLEM TO BE SOLVED: To provide opacifying particles and to provide compositions containing the same.SOLUTION: An opacifying particle includes a pigment particle having an average particle diameter of from 0.15 micron to 1.0 micron and a refractive index of at least 1.8, the pigment particle being at least partially encapsulated in a polymeric shell having a calculated thickness of from 35 nm to 200 nm, wherein: the polymeric shell includes at least a first polymer phase and a second polymer phase; the first polymer is substantially in contact with the surface of the pigment particle providing a calculated shell thickness of at least 25 mm; and the first polymer has a refractive index less than the refractive index of the second polymer by at least 0.03 units.

    摘要翻译: 要解决的问题:提供不透明颗粒并提供含有它的组合物。溶液:不透明颗粒包括平均粒径为0.15微米至1.0微米且折射率至少为1.8的颜料颗粒,颜料颗粒 至少部分地包封在具有35nm至200nm的计算厚度的聚合物外壳中,其中:所述聚合物壳包含至少第一聚合物相和第二聚合物相; 第一聚合物基本上与颜料颗粒的表面接触,提供至少25mm的计算外壳厚度; 并且第一聚合物的折射率小于第二聚合物的折射率至少0.03单位。