Sol-gel compositions containing silane and alumina
    3.
    发明授权
    Sol-gel compositions containing silane and alumina 失效
    含有硅烷和氧化铝的溶胶 - 凝胶组合物

    公开(公告)号:US4731264A

    公开(公告)日:1988-03-15

    申请号:US915344

    申请日:1986-10-03

    CPC classification number: C09D183/14 C09D183/04

    Abstract: An organoalkoxysilane/alumina sol-gel composition and method for its production are disclosed whereby an aluminum alkoxide is hydrolyzed in water to form a sol, to which is added a hydrolyzable organoalkoxysilane of the general formulaR.sub.x Si(OR').sub.4-xwherein R is an organic radical, R' is a low molecular weight alkyl radical, and x is at least 1 and less than 4. The composition is dried and cured to form an organosiloxane/alumina monolith or coating on a substrate.

    Abstract translation: 公开了一种有机烷氧基硅烷/氧化铝溶胶 - 凝胶组合物及其制备方法,其中在水中水解铝醇盐以形成溶胶,向其中加入通式为RxSi(OR')4-x的可水解的有机烷氧基硅烷,其中R为 有机基团R'是低分子量烷基,x至少为1且小于4.将组合物干燥并固化以在基材上形成有机硅氧烷/氧化铝整料或涂层。

    Method and apparatus for reducing tin defects in float glass
    6.
    发明授权
    Method and apparatus for reducing tin defects in float glass 失效
    减少浮法玻璃中锡缺陷的方法和装置

    公开(公告)号:US6094942A

    公开(公告)日:2000-08-01

    申请号:US874529

    申请日:1997-06-13

    CPC classification number: C03B18/18 Y02P40/57

    Abstract: The present invention provides a method of reducing tin defects in flat glass made by the float process. In the float process, molten glass is delivered onto a pool of molten tin within an enclosed chamber and formed into a glass ribbon. Oxygen gas dissolved in the molten tin combines with the tin to form tin oxide which vaporizes and collects within the chamber, resulting in defects in the glass. In the present invention, hydrogen gas is introduced directly into the molten tin to react with the oxygen gas and tin oxide within the molten tin to form water and elemental tin, resulting in a reduction in the amount of tin oxide within the molten tin. In one particular embodiment of the invention, the hydrogen gas is introduced into the molten tin through an elongated, porous graphite member submerged in the molten tin within the forming chamber such that it extends along and is located outboard of selected portions of the edge of the glass ribbon.

    Abstract translation: 本发明提供一种减少由浮法制成的平板玻璃中的锡缺陷的方法。 在浮法工艺中,将熔融玻璃输送到封闭室内的熔融锡池中并形成玻璃带。 溶解在熔融锡中的氧气与锡组合形成氧化锡,其在室内蒸发并收集,导致玻璃中的缺陷。 在本发明中,将氢气直接引入熔融锡中,与熔融锡内的氧气和氧化锡反应形成水和元素锡,导致锡内氧化锡的量减少。 在本发明的一个具体实施方案中,氢气通过浸没在成形室内的熔融锡中的细长的多孔石墨构件引入熔融锡中,使得其沿着并位于外部的边缘的选定部分外侧延伸 玻璃丝带。

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