Evonik Degussa Gmbh

Evonik Goldschmidt Corporation

Evonik Stockhausen Gmbh

Evonik Corporation

Goldschmidt Gmbh

Matthias Naumann

Frank Schubert

Joachim Venzmer

Wilfried Knott

Michael Ferenz

Stanley A McIntosh

Berend-Jan De Gans

Christoph Loick

Stefan Silber

Oliver Thum

Carsten Schiller

Stephan Sprenger

Susann Wiechers

Marion Ansorge-Schumacher

Lars Wiemann

Jürgen Meyer

Frauke Henning

Martin Glos

Sascha Herrwerth

Kathrin Lehmann

Christian Eilbracht

Matthias Lobert

Thomas Ebbrecht

Franck Furno

Laurent Wattebled

Michael Klostermann

Jorg Harren

Rüdiger Landers

Rainer Teni

Hardi Doehler

Ruediger Landers

James S Wooten, Iv

Eva Emmrich

Andreas Landgraf

Nanoparticle-coated fibre material, the coating of which includes between 0.01 and less than 2.0 wt % of nanoparticles based on the dry weight of the coated fibre material and is capable of undergoing further reactions, a process for producing the nanoparticle-coated fibre materials, and also corresponding fibre composite materials.

Fibersizing with small amounts of nanomaterials

A carbon fiber material is coated with nanoparticles, where the coating contains from 0.01 to less than 10% by weight of nanoparticles, based on the dry weight of the coated fiber material, and the coating may optionally be involved in further reactions.

Carbon fibre fibre-sizing containing nanoparticles

Particles obtainable by polymerization of a siloxane which has at least one (meth)acrylate group of the formula (I)&#x2014;O&#x2014;C(O)&#x2014;CR&#x2550;CH&#x2003;&#x2003;(I)where R=&#x2014;H or &#x2014;CH, which are characterized in that the siloxane has an average molar ratio of groups of the formula (I) to Si atoms of less than 0.1 are provided.

Silicone (meth)acrylate particles, processes for their preparation and use thereof

This invention relates to a method for producing a water-absorbing polymer, including the following steps: (i) mixing (&#x3b1;1) 0.1 to 99.999 wt % polymerizable, ethylenically unsaturated, acid-group-containing monomers; (&#x3b1;2) 0 to 70 wt % polymerized ethylenically unsaturated, monomers copolymerizable with (&#x3b1;1); (&#x3b1;3) 0.00 1 to 10 wt %, cross-linking agent(s); (&#x3b1;4) 0 to 30 wt % water-soluble polymers; and (&#x3b1;5) 0 to 20 wt % additive(s), wherein the total quantity by weight of (&#x3b1;1) to (&#x3b1;5) amounts to 100 wt %, (ii) radical polymerization while cross-linking, in order to form a hydrogel polymer, (iii) drying the hydrogel polymer, (iv) grinding and sifting the water-absorbing polymer, (v) surface post-cross-linking the hydrogel polymer, and (vi) drying and processing the polymer, wherein, before the admixture of the initiator and the start of radical polymerization, 0.01 to 5 wt % of a surfactant, relative to acrylic acid, 0.01 to 5 wt % foaming agent, are added.

Superabsorbing polymers with rapid absorption properties and method for producing the same

The present invention further relates to a particulate superabsorbent polymer composition comprising a crosslinker composition that is the reaction product selected from (i) saturated amines and/or saturated polyamines with ethylenically unsaturated glycidyl compounds and/or ethylenically unsaturated polyglycidyl compounds, (ii) ethylenically unsaturated amines and/or ethylenically unsaturated polyamines with saturated glycidyl compounds and/or saturated polyglycidyl compounds, or (iii) ethylenically unsaturated amines and/or ethylenically unsaturated polyamines with ethylenically unsaturated glycidyl compounds and/or ethylenically unsaturated polyglycidyl compounds; and a surface crosslinking agent applied to the particle surface. The present invention further relates to an absorbent article that includes such particulate superabsorbent polymer compositions.

Superabsorbent polymer with crosslinker

The object of the invention is a method for producing polyurethane and/or polyisocyanurate insulating foam based on foaming reaction mixtures containing polyisocyanates, compounds having reactive hydrogen atoms, propellants, stabilizers, nucleation agents, and optionally further additives, which is characterized in that porous solids, in particular silicates having a zeolite structure, are used as the nucleation agents.

Method for producing polyurethane insulating foams

Prepolymers having more than one alkoxysilyl function per chain end reactive towards epoxide groups as a constituent of curable compositions, and their use for producing adhesive-bonding and coating compositions, which may also be foamable, and also polymeric materials produced therefrom.

Polymeric materials and also adhesive and coating compositions composed thereof and based on multi-alkoxysilyl-functional prepolymers

The invention relates to a superabsorbent copolymer comprising a reaction product of a reactive optical brightener comonomer. In another embodiment, the superabsorbent copolymer comprises a reaction product of a first monomer and a reactive optical brightener comonomer. The reactive optical brightener comonomer may be selected from various pyrene optical brighteners listed herein. The invention also relates to superabsorbent copolymer having from about 0.1 to 10,000 ppm of a reactive optical brightener comonomer based on the superabsorbent copolymer.

Superabsorbent copolymer

The invention is directed to enzyme preparations which are obtainable by providing enzyme immobilizates which comprise enzymes or microorganisms comprising enzymes immobilized on an inert support with a polyethersilicone coating obtained by hydrosilylation, to a process for preparing such enzyme preparations and to the use of enzyme preparations as an industrial biocatalyst.

Polyethersiloxane-coated enzyme preparations

The invention relates to emulsions containing hydroxyl compound bearing silyl groups, to the production and to the use thereof.

Emulsions based on hydroxyl compounds bearing silyl groups

The present invention relates to silicone (meth)acrylate particles, to a process for preparing such silicone (meth)acrylate particles including the steps of:

Silicone (meth)acrylate particles, process for preparation thereof and use thereof

Enzyme preparations

The present invention further relates to a process to make a superabsorbent polymer comprising the steps of a) preparing a neutralized monomer solution comprising a polymerizable monomer selected from unsaturated acid groups-containing monomers, ethylenically unsaturated carboxylic acid anhydride, salts, or derivatives thereof and a caustic agent selection from an alkali agent, wherein the polymerizable monomer is neutralized to from about 50 mol % to about 85 mol %; b) forming a crosslinker monomer mixture by adding an internal crosslinker composition to the neutralized monomer solution wherein the internal crosslinking composition is the reaction product of a stoichiometric excess of amine with a glycidyl compound, wherein the internal crosslinker composition has a residual amount of glycidyl compounds of less than about 500 ppm based on the mass of the internal crosslinker composition; and c) polymerizing the crosslinker monomer mixture to make a superabsorbent polymer.

Process for superabsorbent polymer and crosslinker composition

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

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Greensboro, NC, United States of America

Matthias Naumann