Huels Aktiengesellschaft

Degussa Aktiengesellschaft

Evonik Degussa Gmbh

Degussa-huels Aktiengesellschaft

Sivento Chemie Rheinfelden Gmbh

Other

Wacker-chemie Gmbh

Huls Aktiengesellschaft

Huels Silicone Gmbh

Oberland Glas Ag

Peter Jenkner

Burkhard Standke

Jaroslaw Monkiewicz

Michael Horn

Roland Edelmann

Albert-Johannes Frings

Helmut Mack

Ralf Laven

Eckhard Just

Dieter Barfurth

Albert Frings

Claus-Dietrich Seiler

Frank Kropfgans

Peter Speier

Lars Kloeser

Gerd Buchmayer

Alois Fickler

Alireza Kharazipour

Uwe Scheim

Christian Wassmer

Hans-Guenther Srebny

Hans-Joachim Koetzsch

Bertram Trautvetter

Robert Lehnert

Rainer Lom&ouml;lder

Elmar St&auml;bler

Hartwig Rauleder

Philipp Albert

Ekkehard Mueh

Reinhold Schork

Tilman Taeger

Holger Militz

Manfred Kaussen

Thomas Schlosser

Carsten Mai

Helmut Lohmann

Christian Waβmer

Lothar Elfenthal

Irene Lippert

Stephan Ramlow

Johannes Liebermann

Steffen Donath

Sabine Giessler

Hans-Hermann Luginsland

Steven Schmidt

Peter Michel

Ekkehard Müh

Uwe Bankwitz

Elmar Stabler

Wolfgang-Wilhelm Orlia

Peter Loewenberg

G&uuml;nter Switalla

Alber-Johannes Frings

Max Preisenberger

Jens-Uwe Bergmann

Just Eckard

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 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

A process for preparing an alkylamino-alkylalkoxysilane of formula (I) R&#x2014;(NR')&#x2014;Y&#x2014;Si(R)(OR)(I) in which R is a linear, branched or cyclic alkyl group having 1 to 12 carbon atoms, R&#x2032; is a hydrogen (H) or is a linear, branched or cyclic alkyl group having 1 to 12 carbon atoms, Y is a bivalent alkyl group from the group of &#x2014;CH&#x2014;, &#x2014;(CH)&#x2014;, &#x2014;(CH)&#x2014;, &#x2014;(CH)(CH(CH))(CH)&#x2014; and &#x2014;(CH)&#x2014;, Rand Rgroups are the same or different and are each a linear or branched alkyl group having 1 to 4 carbon atoms, and n is 0 or 1 or 2, by reacting an alkylamine, used in excess, distilling off excess free alkylamine, treating the remaining product mixture with the alkylaminoalkylalkoxysilane and working up.

Process for preparing alkylaminoalkylalkoxysilanes

The present invention relates to a process for performing a controlled hydrolysis and condensation of an epoxy-functional silane of the general formula I R1-SiR'm(OR)3-(I) in which R1 is a (III) or (IV) group and R, R&#x2032; and R&#x2033; groups are the same or different and are each hydrogen (H) or a linear, branched or cyclic, optionally substituted alkyl group having from 1 to 6 carbon atoms, A and A&#x2032; groups are the same or different and are each a bivalent alkyl group having from 1 to 10 carbon atoms, R2 groups are the same or different and R2 is a linear, branched or cyclic, optionally substituted alkyl group having from 1 to 20 carbon atoms, and m is 0 or 1, and optionally of at least one further organofunctional silane of the general formula II R2-SiR&#x2032;n(OR)3-(II) in which R2 is an organofunctional group as already defined above, R&#x2032; is methyl, R groups are each independently hydrogen or a linear, branched or cyclic alkyl group having from 1 to 6 carbon atoms and n is 0 or 1, where from 0.001 to &#x2266;5 mol of water is used per mole of alkoxy function of the silanes used, no further hydrolysis or condensation catalyst is used apart from boric acid as the hydrolysis catalyst and condensation component, and the condensates formed in the reaction are based on Si&#x2014;O&#x2014;B&#x2014; and/or Si&#x2014;O&#x2014;Si bonds.

Process for controlled hydrolysis and condensation of epoxy-functional organosilanes and the cocondensation thereof with further organofunctional alkoxysilanes

The present invention provides a linear, cyclic or branched polyether-functional siloxane or a mixture of polyether-functional siloxanes of the general formula (I) R[&#x2014;OSi(R)(OR)][&#x2014;OSi(R)(R)(OR)], (II) in which groups R are identical or different and R is essentially H, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, t-butyl, 2-methoxyethyl or 2-hydroxyethyl or, in the case of cyclic siloxanes, may be a silyl radical of the silyl units of the formula (I), groups Rare identical or different and Ris a terminally blocked polyether group of the formula (II), R&#x2014;O[&#x2014;R&#x2014;O][(&#x2014;R)]&#x2014; (II) and groups Rare identical or different and Ris a linear, branched or cyclic, optionally substituted alkyl group having 1 to 18 carbon atoms or a mercaptoalkyl group or an alkenyl group having 2 to 8 carbon atoms or an alkenyl group having 2 to 8 carbon atoms or an aryl group having 6 to 12 carbon atoms or an aminoalkyl group or the general formula (III) HN(CH)[(NH)(CH)]&#x2014;(CH)&#x2014; (III) The present invention further provides aqueous and/or alcoholic compositions which comprise a polyether siloxane according to formula (I), to methods for the production of said systems, and to the use thereof.

Polyether-functional siloxanes, polyether siloxane-containing compositions, methods for the production thereof and use thereof

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 present invention provides a sol-gel composition which is dilutable with water in any proportion and is based on the reaction of at least the following components: (i) a glycidyloxypropylalkoxysilane, (ii) an aqueous silica sol having a solids content of &#x3e;1% by weight, (iii) an organic acid as hydrolysis catalyst, and (iv) n-propyl zirconate, butyl titanate or titanium acetylacetonate as crosslinker, starting from a mass ratio of the solids mass of component (ii) to component (i) 0.75, a process for preparing it and its use, in particular as a sol-gel composition for corrosion control coatings, a corresponding corrosion control coat or primer coat, and articles equipped with such a coating.

Water-dilutable sol-gel composition

A composite material, useful in producing wood-based materials, comprises (a) at least one cellulose- or lignocellulose-containing material and (b) at least one aminoalkylsilane, or at least one cocondensate of the at least one aminoalkylsilane and at least one further functional silane, or an aqueous solution which contains the at least one aminoalkylsilane or the at least one cocondensate of the at least one aminoalkylsilane and the at least one further functional silane.

Special aminoalkylsilane compounds as binders for composite materials

Stable low chloride solutions of hydrosalts of an organic acid with a N-substituted aminopolysiloxane in the form of a T structural unit contain at least one lower alcohol, and at least one stabilizer. Methods to prepare the stable low-chloride solutions are also provided.

Stable solutions of N-substituted aminopolysiloxanes, their preparation and use

The present invention relates to a process for preparing silicon compounds bearing fluoroalkyl groups by hydrosilylation of a fluoroolefin in the presence of a hydrosilylation catalyst, which comprises initially charging and heating a hydrogenchlorosilane, then metering in the fluoroolefin and reacting the reaction mixture and subsequently isolating the hydrosilylation product.

Specific process for preparing silicon compounds bearing fluoroalkyl groups by hydrosilylation

Fluoroalkyl-functional organosiloxane-containing compositions based on alcohol, a process for their preparation and their use

A discoloration of an aminosilane having a content of a free base is treated by adding an acid chloride to the aminosilane to obtain a mixture having a molar excess of acid chloride; neutralizing the molar excess of the acid chloride in one or more steps with a molar deficit of a base to obtain a mixture containing a salt; separating off the salt from; and irradiating the remaining aminosilane with UV-containing light.

Process for treating aminosilane discolorations

Water-based composition of amino-functional silicon compounds

Cross-linkable polymers, method for the production thereof, and shaped bodies made of cross-linked polymers

Fillers surface-modified by treatment with an organosilane- and/or organosiloxane-containing agent for preparing filled polyamide compositions.

Organosilane-and/or organosiloxane-containing agent for filled polyamide

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Rheinfelden, Germany

Peter Jenkner