板状チタン酸/カルシアドープセリアナノ粒子パノスコピック形態制御複合体の紫外線遮蔽特性 UV-shielding Performance of Panoscopically Mophology Controlled Plate-like Titanate/Calcia-doped Ceria Nanoparticle Composite
Although nanoparticles of semiconductors are used as inorganic UV-shielding materials, the comfort of nanoparticles are modest because of their agglomeration. In order to fabricate UV-shielding materials with better comfort, calcia-doped ceria (Ce<SUB>0.8</SUB>Ca<SUB>0.2</SUB>O<SUB>1.8</SUB>) nanoparticles were coated on plate-like titanate (lepidocrocite type K<SUB>0.8</SUB>Li<SUB>0.27</SUB>Ti<SUB>1.73</SUB>O<SUB>4</SUB>), 10-20μm in diameter. Such panoscopic assembling combined nanoparticles with microparticles successfully improved the comfort of the product when wearing it on the skin without compromising the UV-shielding ability, meanwhile greatly reducing the oxidation catalytic activity, resulting in the fabrication of safe, comfort and high performance UV-shielding material.
粉体および粉末冶金 55(4), 253-258, 2008-04-15
Japan Society of Powder and Powder Metallurgy