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    • 171. 发明公开
    • VERFAHREN ZUR HERSTELLUNG VON POLYKRISTALLINEM SILICIUM
    • EP3183212A1
    • 2017-06-28
    • EP15756370.1
    • 2015-08-10
    • Wacker Chemie AG
    • POPP, FriedrichHERTLEIN, Harald
    • C01B33/035
    • C01B33/035C23C16/01C23C16/0227C23C16/24
    • The invention relates to a method for producing granulated polycrystalline silicon in which polycrystalline silicon is deposited on carrier bodies heated by the direct passage of a current which enables polycrystalline silicon rods to be produced. Said carrier bodies are maintained on a base plate of a reactor and are supplied with a current by electrodes, the deposit of polycrystalline silicon is stopped when the polycrystalline silicon rods have reached a desired end diameter. Said polycrystalline silicon rods are then removed from the reactor and the reactor is equipped with new carrier bodies in order to produce additional polycrystalline silicon rods. The base plate of the reactor is cleaned after the extraction of the polycrystalline silicon rods from the reactor and prior to the equipping of the reactor with new carrier bodies. The invention is characterised in that the cleaning of the base plate takes place in at least two cleaning steps during which at least two cleaning agents with different aggregate states are used.
    • 本发明涉及一种制造粒状多晶硅的方法,其中多晶硅沉积在载体上,所述载体通过直接通过能够生产多晶硅棒的电流加热。 所述载体保持在反应器的底板上并通过电极供应电流,当多晶硅棒达到期望的端部直径时,停止沉积多晶硅。 然后将所述多晶硅棒从反应器中取出,并且反应器装备有新的载体以产生额外的多晶硅棒。 反应器的底板在从反应器中提取多晶硅棒之后并且在给反应器装备新的载体之前进行清洁。 本发明的特征在于,基板的清洁在至少两个清洁步骤中进行,在清洁步骤中使用至少两种具有不同聚集状态的清洁剂。
    • 174. 发明公开
    • PROCESS FOR MAKING AN AMINOSILOXANE POLYMER NANOEMULSION
    • 制备氨基硅氧烷聚合物纳米乳液的方法
    • EP3174921A1
    • 2017-06-07
    • EP15752938.9
    • 2015-07-24
    • Wacker Chemie AG
    • BECKER, RichardBROENING, Harry WilliamFLITER, Kristi LynnMERGET, MarkusSCHUSTER, StefanieSELBERTINGER, ErnstSIVIK, Mark RobertVETTER, Nicholas DavidWHITING, Patrick BrianWIMMER, Franz Xaver
    • C08J3/09C08L83/04C08J3/03C08L83/08
    • C08J3/07C08G77/26C08J3/03C08J2383/08C08J2483/04C08L83/08
    • The present invention provides a method of making a nanoemulsion comprising the steps of: a) solubilizing a silicone resin in an organic solvent system to yield a silicone resin solution concentration of 80% or less, wherein the organic solvent system comprises diethyleneglycol monobutyl ether and at least one additional solvent selected from the list consisting of monoalcohols, polyalcohols, ethers of monoalcohols, ethers of polyalcohols, fatty esters, Guerbet alcohols, isoparaffins, naphthols, glycol ethers or mixtures thereof, provided that if the additional solvent is a glycol ether it is not diethyleneglycol monobutyl ether; b) mixing the silicone resin solution from a) with an aminosiloxane polymer to obtain an aminosiloxane polymer:silicone resin mixture having ratio of about 20:1; c) allowing the aminosiloxane polymer:silicone resin mixture to age for at least about 6 hours at ambient temperature; d) adding the aminosiloxane polymer:silicone resin mixture to a vessel; e) optionally adding with agitation an additional organic solvent to the aminosiloxane polymer:silicone resin mixture; f) mixing until homogenous; g) adding a protonating agent; h) additionally adding an aqueous carrier in an amount to produce the desired concentration of emulsion; and a nanoemulsion preparable by said method.
    • 本发明提供制备纳米乳液的方法,其包括以下步骤:a)将有机硅树脂溶解在有机溶剂体系中以得到80%或更低的有机硅树脂溶液浓度,其中有机溶剂体系包含二甘醇单丁基醚和 选自一元醇,多元醇,一元醇的醚,多元醇的醚,脂肪酯,格尔伯特醇,异链烷烃,萘酚,乙二醇醚或它们的混合物的至少一种另外的溶剂,条件是如果另外的溶剂是二醇醚, 不是二甘醇单丁醚; b)将来自a)的有机硅树脂溶液与氨基硅氧烷聚合物混合以获得氨基硅氧烷聚合物:具有约20:1的比例的有机硅树脂混合物; c)使氨基硅氧烷聚合物:有机硅树脂混合物在环境温度下老化至少约6小时; d)将氨基硅氧烷聚合物:有机硅树脂混合物加入到容器中; e)任选地在搅拌下向氨基硅氧烷聚合物中加入另外的有机溶剂:有机硅树脂混合物; f)混合直至均匀; g)加入质子化剂; h)另外加入一定量的含水载体以产生所需浓度的乳液; 和通过所述方法制备的纳米乳液。