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    • 7. 发明公开
    • 중성 이산화티탄 콜로이드 용액, 그것의 제조방법 및그것을 포함하는 코팅제
    • 中性和透明的二氧化钛溶胶,其制备方法只包含一步和包含它的涂层剂
    • KR1020040086912A
    • 2004-10-13
    • KR1020030021092
    • 2003-04-03
    • (주)선한엠엔티
    • 정훈고정찬손태만이경철
    • C09D1/00B82B3/00B82Y30/00
    • B82Y30/00C01G23/053C01P2002/72C01P2002/84C01P2004/64C09C1/3684C09C1/3692
    • PURPOSE: Provided is a method for preparing a neutral and transparent titanium dioxide(TiO2) colloid solution which contains TiO2 nanoparticles dispersed therein and is useful for a multifunctional cold-curable coating agent. CONSTITUTION: The method for preparing an aqueous titanium dioxide colloid solution comprises the steps of: (A) adding a titanium compound and a stabilizer selected from the group consisting of an organic acid having an alcohol group and ketone group, an organic acid having an alcohol group and acetate group, and a salt thereof, sequentially, and dissolving them to perform a reaction; (B) adding distilled water thereto gradually while stirring the solution; (C) adding an alkaline solution to the resultant solution to neutralize it; and (D) heating the solution at a temperature at 85 deg.C or more, wherein the titanium compound and the stabilizer are added in step (A) in no particular order.
    • 目的:提供一种制备中性和透明二氧化钛(TiO 2)胶体溶液的方法,其中含有分散在其中的TiO 2纳米颗粒,并且可用于多功能冷固化涂层剂。 构成:制备二氧化钛水溶胶溶液的方法包括以下步骤:(A)添加钛化合物和选自具有醇基和酮基的有机酸,具有醇的有机酸的稳定剂 基团和乙酸酯基团及其盐依次溶解并进行反应; (B)在搅拌溶液的同时逐渐加入蒸馏水; (C)向所得溶液中加入碱溶液中和; 和(D)在85℃以上的温度下加热溶液,其中在步骤(A)中钛化合物和稳定剂不以特定的顺序加入。