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11.发明授权Process for preparing alkylchlorosilanes from the residues of direct synthesis of alkylchlorosilanes 失效从直接合成烷基氯硅烷的残留物制备烷基氯硅烷的方法
公开(公告)号：US5877337A
公开(公告)日：1999-03-02
申请号：US012365
申请日：1998-01-23
摘要： Alkylchlorosilanes are prepared continuously from the residue of direct synthesis of alkylchlorosilanes containing liquid constituents with a boiling point of at least 70.degree. C. at 1013 hPa and solid constituents, by heating the residue with hydrogen chloride at temperatures of from 300.degree. C. to 800.degree. C. in a tubular reactor with internals which can be rotated.
摘要翻译： 烷基氯硅烷从含有液体组分的烷基氯硅烷的残留物连续制备，该组分含有沸点为1013hPa的沸点至少为70℃，固体组分通过用氯化氢在300℃至800℃的温度下加热残余物 在具有能够旋转的内部的管式反应器中。
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公开(公告)号：US5512662A
公开(公告)日：1996-04-30
申请号：US384051
申请日：1995-02-06
CPC分类号： B01J23/8435 , C07F7/16
摘要： Methylchlorosilanes are prepared by reaction of methyl chloride with silicon in the presence of a catalyst combination of copper oxide, zinc oxide and metallic antimony.
摘要翻译： 在氧化铜，氧化锌和金属锑的催化剂组合的存在下，甲基氯与硅反应制备甲基氯硅烷。
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公开(公告)号：US5306328A
公开(公告)日：1994-04-26
申请号：US989685
申请日：1992-12-14
CPC分类号： B01J23/72 , B01J37/0221 , B22F9/24 , C07F7/16
摘要： Finely divided copper powder suitable for the preparation of copper catalyst for the synthesis of methylchlorosilane is prepared by adding an aqueous copper salt solution to an aqueous suspension of iron powder. Copper salt solutions obtained as process residues from the synthesis of methylchlorosilane can be used in the process of this invention.
摘要翻译： 通过向铁粉的水性悬浮液中加入铜盐水溶液制备适用于制备用于合成甲基氯硅烷的铜催化剂的细分铜粉。 由甲基氯硅烷的合成得到的作为工艺残留物的铜盐溶液可用于本发明的方法。
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公开(公告)号：US4534791A
公开(公告)日：1985-08-13
申请号：US635794
申请日：1984-07-30
IPC分类号： C01B33/02 , C01B33/037 , C01B33/06 , C22C33/00 , C22B4/00
CPC分类号： C01B33/037 , C22C33/003
摘要： The invention relates to a process for treating elemental silicon and ferrosilicon with slag having the following analytical composition:______________________________________ K.sub.2 O from 2 to 13% by weight Na.sub.2 O from 0 to 2% by weight .SIGMA. K.sub.2 O + Na.sub.2 O from 2 to 13% by weight SiO.sub.2 from 45 to 72% by weight Al.sub.2 O.sub.3 from 0 to 30% by weight .SIGMA. SiO.sub.2 + Al.sub.2 O.sub.3 from 60 to 78% by weight CaO from 0 to 30% by weight MgO from 0 to 30% by weight .SIGMA. CaO + MgO from 15 to 30% by weight CaF.sub.2 from 0 to 10% by weight MgF.sub.2 from 0 to 10% by weight .SIGMA. CaF.sub.2 + MgF.sub.2 from 0 to 10% by weight .SIGMA. CaO + MgO + CaF.sub.2 + MgF.sub.2 from 15 to 30 % by weight ______________________________________ and impurities resulting from the raw materials.
摘要翻译： 本发明涉及一种用炉渣处理元素硅和硅铁的方法，具有以下分析组成：2至13重量％的K 2 O，0至2重量％的-Na 2 O，2至13重量％的SIGMA K 2 O + Na 2 O -SiO 2为45〜72重量％-Al 2 O 3 0〜30重量％-SiF 2 SiO 2 + Al 2 O 3 60〜78重量％-C 0 0〜30重量％-M 0 0〜30重量％ - SIGMA CaO + MgO 15〜30重量％-CaF 2 0〜10重量％-MgF 2 0〜10重量％-SiMA CaF 2 + MgF 2 0〜10重量％SIGMA CaO + MgO + CaF 2 + MgF 2由 15至30重量％ - 和由原料产生的杂质。
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15.发明申请Process for preparing alkylchlorosilanes from the residues of direct synthesis of alkylchlorsilanes 失效从直接合成烷基氯硅烷的残留物制备烷基氯硅烷的方法公开(公告)号：US20050113591A1
公开(公告)日：2005-05-26
申请号：US10981972
申请日：2004-11-05
摘要： The invention provides a continuous process for preparing alkylchlorosilanes from the residues of direct synthesis of alkylchlorosilanes which comprise liquid constituents with a boiling point of at least 70° C. at 1013 hPa and may also contain solids, with hydrogen chloride, by passing the residues at a temperature not above 200° C. and hydrogen chloride at a temperature higher than the latter into a reactor so that the resultant reaction temperature is from 400° C. to 800° C.
摘要翻译： 本发明提供了从直接合成烷基氯硅烷的残余物制备烷基氯硅烷的连续方法，其包括在1013hPa沸点为至少70℃的液体组分，并且还可以含有固体，与氯化氢通过将残留物 不高于200℃的温度和高于后者的氯化氢进入反应器，使得所得反应温度为400℃至800℃。
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公开(公告)号：US06541650B2
公开(公告)日：2003-04-01
申请号：US10137949
申请日：2002-05-03
IPC分类号： C07F708
CPC分类号： C07F7/128 , C07F7/123 , Y02P20/544
摘要： A process for preparing silanes of the formula 1: RaSiHbCl4-a-b (1) where R is methyl or ethyl, a is 0, 1, 2 or 3 and b is 0 or 1, from hydrogen chloride gas and reactants selected from among a) silicon metal, b) disilanes and oligosilanes whose radicals are selected from among H, R and Cl, and mixtures thereof, wherein the hydrogen chloride gas is prepared from H2 and Cl2 in a concerted process.
摘要翻译： 一种制备式1的硅烷的方法：其中R是甲基或乙基，a是0,1,2或3和b是0或1，其中氯离子气体和选自以下的反应物：a）硅金属，b）二硅烷和低聚硅烷， 自由基选自H，R和Cl及其混合物，其中氯化氢气体由H 2和Cl 2以协调的方法制备。
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17.发明授权Dust recirculation in the direct synthesis of chlorosilanes and methylchlorosilanes in a fluidized bed 失效在流化床中直接合成氯硅烷和甲基氯硅烷的灰尘再循环公开(公告)号：US06465674B1
公开(公告)日：2002-10-15
申请号：US10119626
申请日：2002-04-10
IPC分类号： C07F716
CPC分类号： C07F7/16
摘要： A continuous process for the direct synthesis of silanes of the formula 1 RaSiCl4−a (1) involves reacting finely divided silicon metal with R—Cl in a fluidized bed, where R is hydrogen, methyl or ethyl and a is 0, 1, 2, 3 or 4, where a product stream comprising gaseous silanes of the formula 1, further gaseous reaction products, unreacted RCl and silicon-containing dust is discharged from the fluidized bed, wherein at least part of the dust is introduced in the form of a suspension in a liquid selected from among liquid silanes of the formula 1, further liquid reaction products and mixtures thereof, into the fluidized bed.
摘要翻译： 用于直接合成式1的硅烷的连续方法包括使细分散的硅金属与R-Cl在流化床中反应，其中R是氢，甲基或乙基，且a是0,1,2,3或4，其中产物流 包括式1的气态硅烷，进一步的气态反应产物，未反应的RCl和含硅粉尘从流化床排出，其中至少部分的粉尘以悬浮液的形式引入液体硅烷中的液体中 式1的其它液体反应产物及其混合物加入到流化床中。
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公开(公告)号：US06252102B1
公开(公告)日：2001-06-26
申请号：US09671751
申请日：2000-09-27
IPC分类号： C07F716
CPC分类号： C07F7/16
摘要： In the process for the direct synthesis of methylchlorosilanes from chloromethane and silicon in the presence of a copper catalyst and promoter, the reaction mixture comprising chloromethane, methylchlorosilanes, and dust-like components comprising copper, promoter and silicon are removed continuously. The dust-like components are separated from the reaction mixture and cooled with liquid chloromethane.
摘要翻译： 在铜催化剂和助催化剂存在下，从氯甲烷和硅直接合成甲基氯硅烷的方法中，连续除去包含氯甲烷，甲基氯硅烷和包含铜，促进剂和硅的粉尘状组分的反应混合物。 将灰尘状组分与反应混合物分离并用液体氯甲烷冷却。
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公开(公告)号：US06175030B1
公开(公告)日：2001-01-16
申请号：US09523600
申请日：2000-03-13
IPC分类号： C07F716
CPC分类号： C07F7/16
摘要： In a process for the direct synthesis of methylchlorosilanes, chloromethane is reacted with a catalyst composition comprising silicon, copper catalyst, zinc promoter and pyrogenic silicic acid.
摘要翻译： 在直接合成甲基氯硅烷的方法中，氯甲烷与包含硅，铜催化剂，锌促进剂和致热硅酸的催化剂组合物反应。
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公开(公告)号：US6069266A
公开(公告)日：2000-05-30
申请号：US264438
申请日：1999-03-08
IPC分类号： B01J23/835 , B01J23/825 , C07B61/00 , C07F7/12 , C07F7/16
CPC分类号： C07F7/16
摘要： Methylchlorosilanes are prepared by reacting methyl chloride with a contact catalyst which comprises silicon, copper catalyst, zinc promoters and tin promoters and/or antimony promoters, in which hydrogen chloride is added in the course of from 1% to 45% of the duration of the production campaign.
摘要翻译： 甲基氯硅烷通过使甲基氯与包含硅，铜催化剂，锌促进剂和锡助催化剂和/或锑助催化剂的接触催化剂反应制备，其中氯化氢在其持续时间的1％至45％的过程中加入 生产运动。
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