Process for preparing hydridosilanes

Process for preparing hydridosilanes

The present invention relates to a process for preparing hydridosilanes from halosilanes, in which a) i) at least one halosilane of the generic formula SinX2n+2 (where n 3 and X=F, Cl, Br and/or I) and ii) at least one catalyst are converted to form a mixture comprising at least one halosilane of th...

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Hauptverfasser: WIEBER STEPHAN, BRAUSCH NICOLE, SCHWAERTZKE THORSTEN, ZOELLNER JOERG, HAUBROCK JENS, KNIPPENBERG UDO
Format: Patent
Sprache:eng
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CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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creator WIEBER STEPHAN
BRAUSCH NICOLE
SCHWAERTZKE THORSTEN
ZOELLNER JOERG
HAUBROCK JENS
KNIPPENBERG UDO
description The present invention relates to a process for preparing hydridosilanes from halosilanes, in which a) i) at least one halosilane of the generic formula SinX2n+2 (where n 3 and X=F, Cl, Br and/or I) and ii) at least one catalyst are converted to form a mixture comprising at least one halosilane of the generic formula SimX2m+2 (where m>n and X=F, Cl, Br and/or I) and SiX4 (where X=F, Cl, Br and/or I), and b) the at least one halosilane of the generic formula SimX2m+2 is hydrogenated to form a hydridosilane of the generic formula SimH2m+2, the hydridosilane of the generic formula SimH2m+2 is separated from partially halogenated hydridosilanes of the general formula SimH(2m+2−y)Xy (where 1
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BRAUSCH NICOLE ; SCHWAERTZKE THORSTEN ; ZOELLNER JOERG ; HAUBROCK JENS ; KNIPPENBERG UDO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US9011812B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>CHEMISTRY</topic><topic>COMPOUNDS THEREOF</topic><topic>INORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><topic>NON-METALLIC ELEMENTS</topic><toplevel>online_resources</toplevel><creatorcontrib>WIEBER STEPHAN</creatorcontrib><creatorcontrib>BRAUSCH NICOLE</creatorcontrib><creatorcontrib>SCHWAERTZKE THORSTEN</creatorcontrib><creatorcontrib>ZOELLNER JOERG</creatorcontrib><creatorcontrib>HAUBROCK JENS</creatorcontrib><creatorcontrib>KNIPPENBERG UDO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WIEBER STEPHAN</au><au>BRAUSCH NICOLE</au><au>SCHWAERTZKE THORSTEN</au><au>ZOELLNER JOERG</au><au>HAUBROCK JENS</au><au>KNIPPENBERG UDO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Process for preparing hydridosilanes</title><date>2015-04-21</date><risdate>2015</risdate><abstract>The present invention relates to a process for preparing hydridosilanes from halosilanes, in which a) i) at least one halosilane of the generic formula SinX2n+2 (where n 3 and X=F, Cl, Br and/or I) and ii) at least one catalyst are converted to form a mixture comprising at least one halosilane of the generic formula SimX2m+2 (where m&gt;n and X=F, Cl, Br and/or I) and SiX4 (where X=F, Cl, Br and/or I), and b) the at least one halosilane of the generic formula SimX2m+2 is hydrogenated to form a hydridosilane of the generic formula SimH2m+2, the hydridosilane of the generic formula SimH2m+2 is separated from partially halogenated hydridosilanes of the general formula SimH(2m+2−y)Xy (where 1&lt;y&lt;2m+1), and the separated partially halogenated hydridosilanes of the general formula SimH(2m+2−y)Xy (where 1&lt;y&lt;2m+1) are hydrogenated again.</abstract><oa>free_for_read</oa></addata></record>
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subjects CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
title Process for preparing hydridosilanes
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