Evonik Degussa Gmbh

Sika Technology Ag

Akzo Nobel Chemicals International B.v.

Evonik Operations Gmbh

Celanese Switzerland Ag

Manuel Friedel

Spomenko Ljesic

Burkhard Standke

Philipp Albert

Karsten Korth

Andre Hasse

Oliver Klockmann

Christian Waβmer

Jaroslaw Monkiewicz

Christian Wassmer

Susanne Zölitz

Ingo Kiefer

Sabine Giessler-Blank

Susann Witzsche

Kerstin Weissenbach

Bernd Nowitzki

Ulf Kehrer

Sven Roth

Dirk Laur

Samuel Jakob

Mustafa Guezelsahin

Joerg Arndt

Klaus Koellisch

Michael Böttiger

Andrea Müller

André Savoy

Christian Von Malotki

Anina Camadini

A single-component moisture-curable silicone composition including 100 parts by weight of at least one crosslinkable polydiorganosiloxane having silanol end groups, 5 to 20 parts by weight of at least one hydrophilic silica, 1 to 10 parts by weight of at least one organoalkoxysilane or organoalkoxysiloxane crosslinker that contains at least 2 alkoxysilane groups, 1 to 7 parts by weight of organoalkoxysilane or organoalkoxysiloxane that contains at least one aminoalkyl group having a primary amino group, 0.1 to 7 parts by weight of at least one tin catalyst, up to 5 parts by weight of organoalkoxysilane or organoalkoxysiloxane that contains at least two alkoxysilane groups, wherein silicone composition contains less than 1.0% by weight of water based on total composition, with proviso where reactivity in respect of hydrolysis of organoalkoxysilane or organoalkoxysiloxane is greater than reactivity in respect of hydrolysis of organoalkoxysilane or organoalkoxysiloxane crosslinker.

Silicone sealant having adjustable flow properties

A crosslinkable silicone composition including: a. at least one condensation-crosslinkable polydiorganosiloxane P having silanol, alkoxysilyl, carboxysilyl, ketoximinosilyl, amidosilyl and/or aminosilyl end groups; b. at least one silane or siloxane crosslinker V for the condensation-crosslinkable polydiorganosiloxane; c. at least one crosslinking catalyst K1 of the general formula (I) d. at least one adhesion promoter H of the general formula (IV). Compositions of this kind are especially suitable as adhesives, sealants, coatings or casting compounds and are notable for a low tendency to separate and very good adhesion under moist and warm conditions.

Crosslinkable silicone mixtures containing a guanidine catalyst and an adhesion promoter

The invention relates to a method for producing a solution comprising organofunctional siliconates, silicates and, optionally, the cocondensation products thereof, and to the solutions and an installation for the production thereof.

Solution comprising organofunctional alkali siliconates, silicates and method of production thereof

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 process for dechlorinating alkylsilanes and siloxanes, and also to the use of basic anion exchanger resins for dechlorinating alkyl silanes and alkylsiloxanes.

Dechlorination of alkyl-functional organosilanes and alkyl-functional organosiloxanes

The present invention relates to a hydraulically setting mixture comprising: a) 6% to 25% by weight of cement, b) 50% to 90% by weight of at least one aggregate, and c) 0.01% to 8% by weight of at least one fluoroorganyl-substituted silicon compound, and also to materials produced from this mixture, more particularly components, concrete articles or mouldings. The invention further relates to the use of a hydraulically setting mixture of the invention for producing materials, more particularly components, concrete articles or mouldings, for example as facing concrete, where the surface of the materials exhibits only relatively low soiling tendency ('easy-to-clean' property) even on abrasion.

Cementitious mixture for materials having 'easy-to-clean' properties by modification of the unset material by means of fluorine-containing active ingredients

The present invention relates to a curable mixture suitable for obtaining 'easy-to-clean' properties in the cured mixture, comprising at least one mineral binder, a powder comprising at least one fluoroorganyl-substituted silicon compound encapsulated in a water-soluble polymer, the amount of the silicon compound being 0.001% to 8% by weight, based on the present mixture, and optionally further adjuvants, and also to a process for preparing the mixture and to the use thereof. The invention further relates to a water-redispersible powder and also to a corresponding intermediate for use in the curable mixture in order to obtain 'easy-to-clean' properties in the cured mixture. Also claimed, furthermore, is a process for preparing the powder, and the use thereof.

Curable mixture

Mixtures of silicon-containing coupling reagents comprising (mercaptoorganyl)alkylpolyethersilanes containing silanol groups and (mercaptoorganyl)alkylpolyethersilanes free of silanol groups in a weight ratio of from 5:95 to 95:5. The mixtures can be prepared by transesterification and hydrolysis. The mixtures can be used in rubber mixtures.

Mixtures of silicon-containing coupling reagents

The invention relates to a solution and to methods for producing the solution comprising propylfunctional alkaline siliconates, silicates and, optionally, the cocondensation products thereof.

Solution comprising propyl-functional alkali siliconates, silicates and method of production thereof

The present invention relates to a fluorine-free composition for hydrophobizing porous mineral substrates and for producing a water repellent effect on the surface of the substrate, the composition being based on The invention furthermore relates to a process for the preparation of such a composition and the use of this composition.

Fluorine-free composition for water repellent coating of surfaces with improved water repellent properties

The present invention relates to a hydraulic setting mixture comprising: a) 6% to 25% by weight of cement, b) 50% to 90% by weight of at least one aggregate, and c) 0.001% to 8% by weight of at least one fluoroorganyl-substituted silicon compound, and also to materials produced from this mixture, more particularly components, concrete articles or mouldings. The invention further relates to the use of a hydraulic setting mixture of the invention for producing materials, more particularly components, concrete articles or mouldings, for example as face concrete, where the surface of the materials exhibits only relatively low soiling tendency ('easy-to-clean' property) even on abrasion.

Hydraulic setting mixture for materials having 'easy-to-clean' properties

The present invention relates to a composition for imparting water repellency to porous mineral substrates and for producing a water repellency effect on the surface of the substrate and to a process for the preparation of such a composition, said composition being based on

Composition for building protection applications based on alkylalkoxy-siloxanes having improved water repellency properties

Process for preparing alkylpolyether-substituted mercaptosilanes of the general formula I,(X)(X')(X&#x2033;)Si(&#x2014;R&#x2014;SR)&#x2003;&#x2003;(I)and a Hazen colour number of &#x2266;250 mg Pt&#x2014;Co/L by reacting compounds of the general formula II,(X&#x2032;)(X&#x2033;)Si(&#x2014;R&#x2014;SR)&#x2003;&#x2003;(II)with m equivalents of the compounds of the general formula III,H&#x2014;O&#x2014;((CR)&#x2014;O&#x2014;)Alk&#x2003;&#x2003;(III)using a proton-donating co-catalyst and, if desired, a further catalyst, and separating off liberated X&#x2032;&#x2014;H from the reaction mixture.

Process for preparing alkylpolyether-substituted mercaptosilanes

The invention relates to rubber mixtures, comprising: (A) at least one rubber, (B) at least one oxidic filler and (C) at least one (haloorganyl)alkylpolyethersilane of the general formula (X)(X')(X&#x2033;)Si&#x2014;R-Hal. The rubber mixtures can be used for production of mouldings.

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Zurich, Switzerland

Manuel Friedel