摘要:
The present invention relates to a method for producing titanium oxide (TiO2)-tin oxide (SnO2) composite sol, a titanium oxide (TiO2)-zirconium oxide (ZrO2)-tin oxide (SnO2) composite sol, and a titanium oxide (TiO2)-cerium oxide (CeO2)-tin oxide (SnO2) composite sol. Further, the present invention relates to a coating composition containing any of the above-mentioned composite sols for forming coating films that are excellent in marring resistance, surface hardness, wearing resistance, transparency, heat resistance, light-resistant, weatherability, or water resistance on optical elements such as lenses for glasses and cameras, automotive windowpane, or optical filters attached to liquid-crystal displays, plasma displays, etc. and to optical elements having a cured film of the coating composition on the surfaces.
摘要:
A sol having dispersed in a liquid medium particles of a hydrated zinc stannate having a primary particle diameter of from 2 to 200 nm and represented by the formula xZnO.ySnO.sub.2.zH.sub.2 O wherein the molar ratio of x:y:z is 1:0.83 to 1.43:1.00 to 5.00.
摘要:
A sol comprising silica-magnesium fluoride hydrate composite colloidal particles used in an anti-reflection coating material for forming an anti-reflection coating and a process for its preparation are provided. A sol comprising silica-magnesium fluoride hydrate composite colloidal particles having a ratio of silica to magnesium fluoride hydrate MgF2.nH2O, n being in the range between 0.25 and 0.5, in terms of a SiO2/MgF2 weight ratio of from 0.01 to 5 and a primary particle size of 5 to 50 nm. A process for the preparation of an aqueous sol comprising silica-magnesium fluoride hydrate composite colloidal particles which comprises the steps of adding an aqueous fluoride solution to a mixture liquid of a silica sol and an aqueous magnesium salt solution to produce a slurry of an agglomerate comprising silica-magnesium fluoride hydrate composite colloidal particles and removing the salts formed as by-products. A process for the preparation of an organosol further comprising the step of replacing water in the aqueous sol with an organic solvent.
摘要:
The invention relates to coating compositions employing zinc antimonate anhydride comprising zinc antimonate anhydride particles and a liquid of a part-hydrolyzed silane coupling agent, a liquid of hydrolyzed ethylsilicate, a liquid of hydrolyzed methylsilicate, or a resin emulsion. The zinc antimonate anhydride particle having a ZnO/Sb.sub.2 O.sub.5 molar ratio in a range of from 0.8 to 1.2, a crystal structure of zinc antimonate anhydride (Zn Sb.sub.2 0.sub.5), and a primary particle size in a range of from 5 to 500 nm. The particle production method comprises the steps of mixing a zinc compound with a colloidal antimony oxide at a ZnO/Sb.sub.2 O.sub.5 molar rate in a range of from 0.8 to 1.2, followed by calcining the mixture within a temperature range of from 500 to 1100.degree. C. The particles are applicable as a flame retardant for plastics, a smoke suppressant, antistatic agent for plastics and glasses, and resistor.
摘要翻译:本发明涉及使用包含锑酸锌酸酐颗粒和部分水解的硅烷偶联剂的液体,水解的硅酸乙酯的液体,水解的甲基硅酸的液体或树脂乳液的锑酸锌酸酐的涂料组合物。 ZnO / Sb 2 O 5摩尔比为0.8〜1.2的锑酸锌酸酐粒子,锑酸锌酸酐(Zn Sb 2 O 5)的结晶结构,一次粒径为5〜500nm。 粒子的制造方法包括以0.5〜1.2的ZnO / Sb 2 O 5摩尔比混合锌化合物和胶态氧化锑,然后在500〜1100℃的温度范围内煅烧。 该颗粒可用作塑料阻燃剂,防烟剂,塑料和眼镜用抗静电剂和电阻剂。
摘要:
A sol having dispersed in a liquid medium particles of a hydrated zinc stannate having a primary particle diameter of from 2 to 200 nm and represented by the formula xZnO.ySnO.sub.2.zH.sub.2 O wherein the molar ratio of x:y:z is 1:0.83 to 1.43:1.00 to 5.00.
摘要:
The present invention provides heat-curable or UV-curable transparent hard coating materials suitable for forming a low refractive antireflection coating on a substrate such as a film or sheet to reduce reflection of external light or increase light transmittance. A UV-curable or heat-curable transparent hard coating material comprising a UV-curable resin having one or more (meth)acryloyl groups in one molecule or a heat-curable resin and silica-magnesium fluoride hydrate composite colloidal particles such that the transparent film obtained by curing said transparent hard coating material has a refractive index of 1.48 or less.
摘要:
The object of the invention is to provide a zinc antimonate anhydride and a production method thereof. The invention relates to a particle having a ZnO/Sb.sub.2 O.sub.5 molar ratio in a range of from 0.8 to 1.2, a crystal structure of zinc antimonate anhydride (Znsb.sub.2 O.sub.6), and a primary particle size in a range of from 5 to 500 nm. The production method of these particles comprises the steps of mixing a zinc compound with a colloidal antimony oxide at a ZnO/Sb.sub.2 O.sub.5 molar rate in a range of from 0.8 to 1.2, followed by calcining the mixture within a temperature range of from 500.degree. to 680.degree. C. The particles of this invention are applicable as a flame retardant for plastics, a smoke suppressant, antistatic agent for plastics and glasses, and resistor.
摘要:
A sol having dispersed in a liquid medium particles of a hydrated zinc stannate having a primary particle diameter of from 2 to 200 nm and represented by the formula xZnO.multidot.ySnO.sub.2 .multidot.zH.sub.2 O wherein the molar ratio of x:y:z is 1:0.83 to 1.43:1.00 to 5.00.