Th. Goldschmidt Ag

Goldschmidt Ag

Evonik Goldschmidt Corporation

Goldschmift Ag

Golschmidt Ag

Thomas Ebbrecht

Stefan Silber

Roland Sucker

Wolfgang Josten

Michael Keup

Peter Lersch

Dietmar Wewers

Peter Muss

Georg Feldmann-Krane

Michael Gippert

Martina Hartmann

Hardi D&ouml;hler

Wilfried Knott

Frank Schubert

Frauke Henning

Kathrin Lehmann

Joachim Venzmer

Matthias Naumann

Berend-Jan De Gans

Bernd Weyershausen

Stefan Stadtm&uuml;ller

Tadeusz Von Rymon Lipinski

Winfried Hamann

Stefan Stadm&uuml;ller

A reactive liquid ceramic binder suitable for the production of ceramic products from ceramic powders is provided. The reactive liquid ceramic binder contains organo-modified siloxane compounds, wherein the liquid organo-modified siloxane compounds contain organoalkoxysiloxane units according to general formula (I) wherein

Reactive liquid ceramic binder resin

Use of one or more mixed curable hydroxyl-containing silyl polyethers as a constituent of compositions, as modifiers for surfaces, the silyl polyethers being prepared by DMC-catalysed alkoxylation of epoxy-functional alkoxysilanes.

Process for modifying surfaces

Use of water-insoluble polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media

Defoamers for aqueous media

Water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media

Use of water-insoluble poly(oxy-1,4-butanediyl)-containing polyoxyalkylene-polysiloxane block copolymers for defoaming aqueous media

Use of water-insoluble polyoxyarylene-polysiloxane block copolymers for defoaming aqueous media

This invention provides radiation-curing coating compositions comprising a mixture of organopolysiloxanes modified laterally and terminally with acrylic groups, which exhibit markedly improved adhesion to a variety of substrates following curing and for which there is little or no change in the adhesiveness on storage for prolonged periods.

Radiation-curable organosiloxane coating compositions

The invention relates to organopolysiloxanes comprising (meth)acrylate groups, to a process for their preparation and to their use as radiation-curing coating materials.

(Meth)acrylate esters of organosiloxane polyols, process for their preparation, and their use as radiation-curable materials

Oraganopolysiloxanes of the general formula ##STR1## where R.sup.1 =identical or different aliphatic or aromatic hydrocarbon radicals,

Acrylate group-modified organosiloxanyl derivatives of alkanediol

Radiation-curing printing inks which comprise organopolysiloxanes of the general formula ##STR1## in which R.sup.1 =an alkyl radical having 1 to 8 carbon atoms,

Radiation-curing printing inks with enhanced scratch resistance and

Organopolysiloxanes, which terminally, laterally or both have at least one group of the formula ##STR1## well as at least one acrylate group, linked over a bridge element to this group, is obtained by hydrosilylation of organopolysiloxanes with at least one SiH group by compounds, which have at least two acrylate groups, in equimolar amounts at a temperature of 60.degree. to 130.degree. C. in presence of rhodium catalysts. The rhodium catalysts cause a 1,2 addition to take place during the addition reaction between polyacrylates and hydrogen siloxanes.

Organopolysiloxanes, modified with acrylate groups in the presence of a

An abhesive coating composition is based on an organopolysiloxane having radiation-curing (meth)acrylate ester groups, which contains an additive that affects the degree of abhesiveness, the additive being obtained by the reaction of an MQ resin with a polysiloxane containing (meth)acrylate ester groups.

Abhesive coating composition with an additive, which affects the degree

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Bochum, Germany

Thomas Ebbrecht