Huels Aktiengesellschaft

Evonik Degussa Gmbh

Degussa Aktiengesellschaft

Degussa-huels Aktiengesellschaft

Huls Aktiengesellschaft

Huels Atiengesellschaft

Sivento Chemie Rheinfelden Gmbh

Evonik Operations Gmbh

Jaroslaw Monkiewicz

Burkhard Standke

Michael Horn

Peter Jenkner

Roland Edelmann

Albert-Johannes Frings

Ralf Laven

Helmut Mack

Claus-Dietrich Seiler

Hans-Guenther Srebny

Albert Frings

Frank Kropfgans

Hans-Joachim Koetzsch

Bertram Trautvetter

Hartwig Rauleder

Dieter Barfurth

Peter Jenker

Eckhard Just

Hans Guenther Wey

Kerstin Weissenbach

Karsten Korth

Roland Streck

Christian Wassmer

Anke Blume

Reinhold Schork

Reiner Mehnert

Susann Witzsche

Bernd Nowitzki

Aristidis Ioannidis

Thomas Schlosser

Hans-Joachim Kotzsch

Horst Pennewiss

Philipp Albert

Karl-Heinz Nordsiek

Gerda Grund

Ekkehard Mueh

Oliver Klockmann

Manuel Friedel

Roland Krafczyk

Tilman Taeger

Ingo Kiefer

Dieter Zerpner

Holger Militz

Manfred Kaussen

Juri Tschernjaew

Gerhard Roewer

Carsten Mai

Stefan Bade

Helmut Lohmann

Frank Steding

Uwe Schoen

Christine Fliedner

Christian Waβmer

Bastian Bielawski

Sascha Erhardt

Bjoern Borup

Lars Kloeser

Alireza Kharazipour

Sven Roth

Torsten Peterle

Christian Springer

Helmut Langguth

Frank Kraushaar

Stephan Ramlow

Lothar Elfenthal

Juergen Wolpers

Hans-Juergen Glaesel

Michael Stehr

Kerstin Bibbo

Hans-Hermann Luginsland

Steffen Donath

Ioana-Elena Mihailescu

Kathrin Kunowa

Hans-J&uuml;rgen Gl&auml;sel

Michael Klose

Rosemarie Burger

Julia Keck

Emmanuel Fiolitakis

Andrea Korch

Hans-G&uuml;nther Srebny

Hans-Joachim K&ouml;tzsch

G&uuml;nter Switalla

Alber-Johannes Frings

Kerstin Weiβenbach

Peter L&ouml;wenberg

Peter Loewenberg

Wolfgang-Wilhelm Orlia

Klaus Bohmhammel

Sven Koether

Ingo Roever

Dirk Hoppe

Hans-Juergen Hoene

Jim Steinmetz

Jörg Kiefer

Stefan Lotter

Jörg Schmidt

Björn Borup

Andrea Edinger

Björn Treffeisen

The invention relates to silane-modified silicas having a BET surface area of 40 to 155 m/g, a sulphur content between 0.05% and 25% by weight and a particle size d5 of &#x2265;4 &#x3bc;m, and d50 of &#x2265;16 &#x3bc;m. The silane-modified silicas are used in rubber mixtures.

Silane-modified silicic acid, method for the production and use thereof

The invention relates to a process for dismutating at least one halosilane and reducing the content of extraneous metal and/or a compound containing extraneous metal in the at least one halosilane and in the at least one silane obtained, by contacting at least one halosilane of the general formula I, HSiCl(I), where n and m are integers and n=1, 2 or 3 and m=1, 2 or 3 and n+m=4, with a particulate, organic, amino-functional resin to obtain at least one silane of the general formula II, HSiCl(II), where a and b are integers and a=0, 2, 3 or 4 and b=0, 1, 2 or 4 where a+b=4, in one step, in which the content of extraneous metal and/or compounds containing extraneous metal has been reduced compared to the halosilane of the formula I. The invention further provides for the use of this resin for dismutating halosilanes and as an absorbent of extraneous metals or compounds containing extraneous metal in a process for preparing monosilane.

Process and use of amino-functional resins for dismutating halosilanes and for removing extraneous metals

The invention relates to a composition comprising olefinically functionalized siloxane oligomers derived from olefinically functionalized alkoxysilanes and optionally alkoxysilanes functionalized with saturated hydrocarbons, and also, optionally, a tetraalkoxysilane, which have not more than one olefinic radical on the silicon atom, and whose chloride content is reduced, and also to processes for preparing them and to the use thereof.

Low chloride compositions of olefinically functionalised siloxane oligomers based on alkoxysilanes

The invention relates to mercaptosilane-polymer blends comprising at least one mercaptosilane of the general formula I and at least one polymer selected from the group of polypropylene, polyethylene and ethylene-vinyl acetate. They are produced by mixing the mercaptosilane of the general formula I with the polymer. They can be used in rubber mixtures.

Mercaptosilane polymer mixture

The invention relates to a composition containing olefinically functionalized siloxane oligomers which are derived from olefinically functionalized alkoxy silanes and optionally alkoxy silanes functionalized with saturated hydrocarbons and optionally a tetraalkoxysilane, at most comprising an olefinic group on the silicon atom having a reduced chloride content and the VOC content being lower with respect to the hydrolysable alkoxy-groups. The invention also relates to methods for the production thereof and to the use thereof.

Mixtures, particularly low in volatile organic compounds (VOC), of olefinically functionalised siloxane oligomers based O alkoxy silanes

The invention relates to a composition containing olefinically functionalized siloxane oligomers which are derived from olefinically functionalized alkoxy silanes and optionally alkoxy silanes functionalized with saturated hydrocarbons and optionally a tetra alkoxysilane, at most comprising an olefinic group on the silicon atom and which has a reduced chloride content and a weight average molecular mass (Mw) of more than 315 g/mol.

Composition of olefinically functionalised siloxane oligomers based on alkoxy silanes

The invention relates to a composition of a carboxyl-functionalized silicon-containing precursor compound of at least two different organic acids, said composition having two, three, or four carboxyl groups functionalized with various hydrocarbon groups according to formula I and/or II. Said carboxyl groups can be released as carboxylic acids and can be used as silane hydrolysis catalysts and/or silane condensation catalysts. The invention further relates to methods for producing the composition, to the use of the composition for cross-linking polymers, and to a formulation of the composition in the form of a masterbatch.

Carboxyl-functionalized silicon-containing precursor compound of various organic carboxylic acids

The present invention relates to a binder for composite materials comprising cellulose- or lignocellulose-containing materials, which is based on the components (i) at least one binder from the series consisting of organic resins, isocyanates, natural or near-natural binders and (ii) at least one composition based on an aminoalkylsilane. The invention furthermore relates to a composite material which is at least based on a cellulose- or lignocellulose-containing material and the abovementioned binder, a process for the production of such a composite material and the use of the binder system according to the invention for the production of wood-based materials.

Silane-containing binder for composite materials

The invention relates to a process for the catalytic hydrodehalogenation of SiClto form HSiCl, which comprises bringing a gaseous feed mixture comprising hydrogen and silicon tetrachloride into direct contact with at least one heating element of a resistance heating device, with the heating element being composed of a metal or a metal alloy and being heated to carry out the reaction.

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The invention relates to a process for preparing silicon-containing azodicarbamides of the general formula (I) (R)(R)Si&#x2014;R&#x2014;NH&#x2014;C(O)&#x2014;N&#x2550;N&#x2014;C(O)&#x2014;NH&#x2014;R&#x2014;Si(R)(R)(I), by reaction of azobiscarboxy compounds of the general formula II R&#x2014;X&#x2014;C(O)&#x2014;N&#x2550;N&#x2014;C(O)&#x2014;X&#x2014;R(II) with aminosilanes of the general formula III (R)(R)Si&#x2014;R&#x2014;NH(III).

Process for preparing silicon-containing azodicarbamides

The invention relates to an agent for providing substrates based on cellulose and/or starch with water-repellent and simultaneously antifungal, antibacterial, insect-repellent and antialgal properties, which contains water and, as active substance, at least one linear, cyclic, branched or crosslinked co-oligomer or mixtures of co-oligomers from the series consisting of the alkyl-/aminoalkyl-/alkoxy- or hydroxy-siloxanes, the use of such agents and a special treatment process using such agents.

Agent for providing substrates based on cellulose and/or starch with water repellent and simultaneously antifungal, antibacterial insect-repellent and antialgal properties

The present invention provides a composition based on the reaction at least of the following components: (i) a glycidyloxypropylalkoxysilane, (ii) an aqueous silica sol having an SiOcontent of &#x3e;20% by weight, (iii) an organic acid hydrolysis catalyst, and (iv) n-propyl zirconate, butyl titanate or titanium acetylacetonate as crosslinker, a process for its preparation, and the use thereof, particularly as a composition for scratch resistant coatings, and also provides articles thus coated.

Aqueous silane nanocomposites

The present invention relates to a composite material based on (a) a cellulose- or lignocellulose-containing material and (b) a composite as a binder, the composite resulting from the reaction of at least the components (i) a glycidyloxypropylalkoxysilane, (ii) an aqueous silica sol having a solids content of &#x3e;20% by weight, (iii) an organic acid as a hydrolysis catalyst and (iv) n-propyl zirconate, butyl titanate or titanium acetylacetonate as a crosslinking agent. The present invention furthermore relates to a process for the production of said composite materials and the use of a composite (b) as a binder for the production of wood-based materials.

Cellulose- or lignocellulose-containing composite materials based on a silane-based composite as a binder

The invention relates to a method for producing organosilanes of general formula I,[R(R)(R'O)Si&#x2014;R&#x2033;&#x2014;]S&#x2003;&#x2003;Iby reaction of (halo-organo)alkoxysilanes of formula II,[R(R)(R&#x2032;O)Si&#x2014;R&#x2033;-Hal&#x2003;&#x2003;IIwith a sulfuring reagent, selected from alkaline hydrogensulfide, alkaline sulfide MeS, alkaline polysulfide MeSand any combination thereof and optionally additionally with sulfur and/or with HS in a solvent, the alkaline hydroxy content of all materials used being &#x3c;0.44 wt. %.

Method for producing organosilanes

A formulation containing: (i) at least one organoalkoxysilane and/or at least one organoalkoxysiloxane; (ii) at least one inorganic oxidic powder; and (iii), optionally, an organic or inorganic acid is provided. The formulation contains from 5 to 50% of the inorganic oxide powder and has a viscosity of less than 1500 mPa&#xb7;s. A weight ratio of the organoalkoxysilane and/or at least one organoalkoxysiloxane to the inorganic oxidic powder is from 19:1 to 1:1.

Silane formulation with high filler content

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Rheinfelden, Germany

Jaroslaw Monkiewicz