会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 4. 发明授权
    • Hydrophobic oxides of metals and for metalloids
    • 金属和准金属的疏水性氧化物
    • US4007050A
    • 1977-02-08
    • US543368
    • 1975-01-23
    • Siegmar LauferRoy Waldemar
    • Siegmar LauferRoy Waldemar
    • C01B13/14C01B33/113C07F7/12C08K9/06C08K9/08C09C1/30C09C1/40C09C3/00C09C3/12
    • C09C3/12C01B13/145C01B33/113C08K9/06C08K9/08C09C1/3081C09C1/405C09C3/006C01P2004/82C01P2006/12C01P2006/80C01P2006/90
    • Highly dispersed metal or metalloid oxides are rendered hydrophobic byI. contacting such oxide particles while in the form of an aerogel with a dry inert gas stream in a fluidizing bed at a temperature from 600.degree. to 1000.degree. C and at atmospheric pressure for a period of less than 60 seconds to render the particles absolutely dry and thus activate them;Ii. charging the resultant dried and activated particles in a fluidizing bed with at least one gas-phase organosilicon compound selected from the group consisting of (a) linear organopolysiloxanes (b) cyclic organopolysiloxanes (c) a mixture of both types of siloxanes and (d) a mixture of any of the substances (a)-(c) with an organohalogenosilane at a temperature in the range from 25.degree. to 650.degree. C;Iii. causing said charged particles to react with the organosilicon compounds at a temperature from 35.degree. to 650.degree. C; andIv. finally treating the reaction product with an inert gas stream in a fluidizing bed at temperatures from 500.degree. to 125.degree. C.
    • 高分散的金属或准金属氧化物通过I使这种氧化物颗粒接触而形成疏水性,同时气态凝胶形式为干燥惰性气流,流化床在600℃至1000℃的温度和大气压下持续一段时间 小于60秒以使颗粒绝对干燥并因此激活它们; 二, 将所得干燥和活化的颗粒在流化床中用至少一种选自(a)线性有机聚硅氧烷(b)环状有机聚硅氧烷(c)两种类型的硅氧烷和(d)的混合物的气相有机硅化合物) 任何物质(a) - (c)与有机卤代硅烷的混合物在25至650℃的温度范围内; 三, 使所述带电粒子在35〜650℃的温度下与有机硅化合物反应; 和IV。 最后在惰性气流中在500-125℃的温度下在流化床中处理反应产物。
    • 6. 发明授权
    • Highly-active, finely divided super-dry silicon dioxide
    • 高活性,细分的超干二氧化硅
    • US4036933A
    • 1977-07-19
    • US594710
    • 1975-07-10
    • Siegmar LauferWaldemar Roy
    • Siegmar LauferWaldemar Roy
    • C01B33/18C09C1/30C01B33/16
    • C09C1/3027C01B33/183C01P2002/82C01P2006/12C01P2006/22C01P2006/80C01P2006/82C01P2006/90
    • A highly active superdry silica aerogel free of adsorbed water and hydrogen-bonded silanol groups the infrared spectrum of which is characterized by a single narrow intense band at about 3700 cm.sup..sup.-1 within the range between 4000 and 2000 cm.sup..sup.-1 indicating the presence of free silanol groups and which spectrum is further characterized by the absence of bonds indicating the presence of adsorbed water and hydrogen-bonded silanol groups, the said silica aerogel having been produced by subjecting a pyrolytically produced silica aerogel containing adsorbed water and both free and hydrogen-bonded silanol groups to treatment in a fluidized bed at a temperature between about 700.degree. and 1000.degree. C and at a pressure between 2 torrs and atmospheric pressure for a period between 1 second and a few minutes through which fluidized bed a stream of a dried gas that had been preheated to a temperature between 100.degree. and 300.degree. C was passed.
    • 一种高活性的超干硅胶气凝胶,不含吸附水和氢键硅烷醇基团,其红外光谱的特征是在4000和2000厘米-1之间的范围内的约3700厘米-1的单个窄的强带,表明 游离硅烷醇基团的存在,并且哪个光谱的进一步特征在于不存在指示存在吸附的水和氢键合的硅烷醇基团的键,所述二氧化硅气凝胶是通过对含有吸附水的热解产生的二氧化硅气凝胶和两种游离的 和氢键合的硅烷醇基团在流化床中在约700℃至1000℃的温度和在2托和大气压之间的压力下处理1秒至几分钟之间的时间,通过该流化床将流化床 将预热至100〜300℃的干燥气体通过。