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    • 7. 发明公开
    • ALKALI EARTH ALUMINATE-SILICATE PHOTOLUMINESCENT PIGMENT WHICH IS ACTIVATED BY RARE-EARTH ELEMENTS
    • 稀土元素活化的碱土铝酸盐 - 硅酸盐光致还原颜料
    • EP1379603A1
    • 2004-01-14
    • EP02711057.6
    • 2002-02-11
    • Shandong Lunbo Ind. & Comm. Group Co LimitedSun, Zijian
    • SUN, ZhaoSU, Shi-MinZHANG, Yu-JunZHU, Zhong-Li
    • C09K11/86
    • C04B35/195C04B2235/3208C04B2235/3213C04B2235/3224C04B2235/3409C09K11/7706C09K11/771C09K11/7711C09K11/7774C09K11/7778C09K11/7779C09K11/7792
    • An alkali earth aluminate-silicate photoluminescent pigment which is actvated by rare-earth elements according to the invention has excellent luminescent properties such as high initial intensity and long afterglow time. The pigment may readily be used in the manufacture of luminescent plastics, rubbers, coatings and ceramic glazes because it appears neutral in aqueous medium and the sinters are easily crushed into powder. The pigment has the composition formula of MO.aA12O3bSiO2cL: fX, in which MO is represented by at least one oxide selected from alkali earth metals such as SrO, CaO and MgO; L is a mineraliser selected from minerals, X is an activator selected from rare-earth elements; and a, b, c and f are variable factors having values in mole. The pigment is produced by firing selected ingredient materials in a controlled environment of a reduced atmosphere, filled with selected gases or elements, at a temperature of 1200 - 1450° C for 2-4 hours to produce a sinter; and the sinter is finally produced into photoluminescent pigments.
    • 根据本发明的由稀土元素作用的碱土铝酸盐 - 硅酸盐光致发光颜料具有优异的发光性能,例如高初始强度和长余辉时间。 该颜料可容易地用于发光塑料,橡胶,涂料和陶瓷釉料的制造,因为它在水性介质中呈现中性,并且烧结物容易粉碎成粉末。 该颜料具有组成式MO.aA12O3bSiO2cL:fX,其中MO由选自碱土金属如SrO,CaO和MgO中的至少一种氧化物表示; L是选自矿物质的矿物质,X是选自稀土元素的活化剂; a,b,c和f是具有摩尔数值的可变因子。 该颜料是通过在低气氛的受控环境中焙烧选定的成分材料并用选定的气体或元素在1200-1450℃的温度下焙烧2-4小时以生产出烧结物来生产的; 并且烧结物最终被制成光致发光颜料。