发明名称 |
METHOD FOR PRODUCING MODIFIED ZIRCONIUM OXIDE-TIN OXIDE COMPOSITE SOL |
摘要 |
It is intended to provide a stable sol containing zirconium oxide-tin oxide composite colloids to be used for improving the performance such as abrasion resistance, transparency, adhesiveness, water resistance or weather resistance of a dried film obtained by applying a hard coating agent containing colloidal particles to the surface of plastic lens. A production method includes the steps of obtaining a sol containing colloidal particles (A1) in which the surface of particles in a sol containing hydrothermally-processed zirconium oxide-tin oxide composite colloids (A) is coated with amine-containing Sb 2 O 5 colloidal particles; obtaining a sol containing colloids (A2) coated with amine-containing Sb 2 O 5 colloidal particles by performing a hydrothermal treatment at a temperature of from 200 to 350°C; and mixing the sol containing the colloidal particles (A2) and a sol containing tungsten oxide-tin oxide-silicon dioxide composite colloidal particles (B2) and aging the resulting aqueous medium at 20 to 100°C.
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申请公布号 |
EP2045215(A1) |
申请公布日期 |
2009.04.08 |
申请号 |
EP20070790627 |
申请日期 |
2007.07.11 |
申请人 |
NISSAN CHEMICAL INDUSTRIES, LTD. |
发明人 |
KOYAMA, YOSHINARI;ASADA, MOTOKO |
分类号 |
C01G25/00 |
主分类号 |
C01G25/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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