Byk-chemie Gmbh

Guillaume Wojciech Jaunky

Andreas Okkel

Marc Eberhardt

Mark Heekeren

Mirco Süselbeck

Jürgen Omeis

Bernd Göbelt

Frederik Piestert

Daniela Leutfeld

Udo Krappe

Jörg Bömer

Petra Della Valentina

Carsten Nagel

Wolfgang Griesel

Irina Giebelhaus

Michael Bessel

Hans-Josef Teuwsen

Astrid Rudolfi

Jürgen Hartmann

Dennis Levering

Verena Wintermeyer

Olaf Muschiolik

Sandra Sabrina Meyer

Markus Lorenz

Daniel Leibig

Holger Frey

Jan Blankenburg

Yoshito Kitagawa

Mathis Kulessa

Sven Tenbusch

Patrick Verkoyen

Anne Vogel

Ramona Scholten

Viktor Fertich

Alexander Gers-Barlag

Nadine Waschilowski

The invention relates to a polymer comprising a) at least two polymer backbone chains and b) at least one polymeric connecting chain comprising at least two polyether segments and one polysiloxane segment, said polysiloxane segment having a number average molecular weight in the range of 400 to 6000 g/mol, and at least one of the at least two polyether segments being positioned between the polymer backbone chains and the polysiloxane segment, wherein the at least two polymer backbone chains are linked by the at least one polymeric connection chain.

Ladder copolymer

The invention relates to a method of improving the surface properties of a radiation cured coating, comprising adding to a radiation-curable coating composition 0.1 to 10.0% by weight, based on the total weight of the radiation-curable coating composition, of a polymer (A) having a polysiloxane backbone and at least two methacryloyl groups connected to the polysiloxane backbone via linking groups, wherein the linking groups comprise at least one non-cyclic ether group, and wherein the polysiloxane backbone is connected to the linking groups via a Si—C bond, and wherein polymer (A) is prepared by a process comprising i) Providing a polysiloxane backbone having at least two Si—H groups, ii) Providing a molecule having at least one methacryloyl group, one allyl group, and at least one non-cyclic ether group located between the allyl group and the at least one methacryloyl group, and iii) Forming a covalent bond between the polysiloxane backbone i) and the molecule ii) by reacting the Si—H groups with the allyl group via a hydrosilylation reaction.

Surface properties of radiation-cured coatings

The invention relates to block copolymer comprising i) A first block wherein at least 65 mol-% of the repeating units of the first block are repeating units of the formula (I)—[CH—CH—O]—, ii) A second block wherein at least 90 mol-% of the repeating units of the second block are repeating units of at least one of formulae (II) or (III), wherein the groups R, R, and Rindependent of each occurrence are selected from hydrocarbyl groups having 1 to 40 carbon atoms, which are optionally substituted by ether or hydroxyl groups, and wherein the groups Rand Rare optionally linked to each other such that a nitrogen heterocyclic structure is present, iii) A third block which is different from the first block and the second block and which is more hydrophobic than the first block.

Amphiphilic block copolymer

The invention relates to A slurry composition, comprising: an inorganic powder; a dispersant; and a solvent wherein the dispersant is a block copolymer comprising at least one hydrophobic block A and at least one hydrophilic block B, and wherein the blocks A and B comprise repeating units represented by the following general formula (I) wherein Ris selected from a hydrogen atom, a linear or branched alkyl group having 1 to 10 carbon atoms and a cyclic alkyl group having 4 to 6 carbon atoms, and wherein at least one carboxylic acid group or a salt thereof is covalently linked to the block copolymer.

Ceramic slurry composition and process for producing stacked ceramic component

The invention relates to a polymer comprising: a) at least one polyether polyester copolymer segment, wherein the polyether polyester copolymer comprises ether units selected from the group consisting of the formula (II) &#x2014;[CR]&#x2014;O&#x2014;, wherein n is an integer of 2 to 4, Rrepresent independent of each other organic groups having 1 to 30 carbon atoms or hydrogen, and wherein in case n is equal to 2 at least one of the Rrepresents an ether group having the formula &#x2014;R&#x2014;O&#x2014;R, wherein Rand Rindependent of each other represent organic groups having 1 to 30 carbon atoms, and b) at least one polysiloxane segment linked to the at least one polyether polyester copolymer segment.

Polymer with polyether polyester segment and polysiloxane segment

An amine functional compound comprising i. least one segment consisting of at least one ether unit E and at least one ester unit, wherein the ether units and ester units are connected by an ether link or by an ester link, and wherein the sum of the number of ether units and ester units is at least three, and wherein the ether units and ester units are arranged in random order, and ii. at least one amine group ii. selected from a tertiary amine group, a salt of a tertiary amine group and a quaternary ammonium group, wherein the at least one segment is covalently linked to a polymerization starter moiety comprising the at least one amine group ii.

Amine functional compound

The invention relates to the use of a polysiloxane having a plurality of siloxane groups and at least one tertiary amide group covalently linked as a pending and/or terminal group to the polysiloxane, as a defoaming agent in a liquid composition.

Polysiloxane defoaming agent

The invention relates to a polymer having a) a polymer backbone and b) one or more polymeric side chains covalently linked to the polymer backbone, wherein the polymeric side chains comprise a polyether segment and a polysiloxane segment, said polysiloxane segment having a number average molecular weight in the range of 1050 to 6000, and said polyether segment being positioned between the polymer backbone and the polysiloxane segment.

Polymer having polyether and polysiloxane segments

The invention relates to polyesters of the following general formula, wherein the residues R, R, R, R, R(as a special case of residue R), R, Rand Rare free of carboxy, hydroxy, thiol, imino, and primary and secondary amino groups, the residues R(as a special case of R) and Rcontain hydroxyl groups, 10 to 100 mol % of which can be present in salt form analogously to polymers or otherwise capped, u=0 or 1, v=1 to 60 and w=1 to 20. The invention further relates to wetting agents and dispersants that contain the aforementioned polyesters or consist thereof and to a method for producing said wetting agents and dispersants, to the use of the polyesters and reaction products of the method according to the invention as wetting agents and dispersants, and to compositions containing the polyesters, wetting agents and/or dispersants or reaction products of the method according to the invention and particulate solids. 

Polyethers based on oxetanes for use as wetting agents and as dispersants and production thereof

The present invention relates to a composition comprising at least one amphiphilic glycidyl ether copolymer composed of special structural units I to V, wherein at least one of the structural units I has an aromatic group, and wherein the structural units may each be arranged in a block, a gradient or randomly, as a dispersant and a dispersed solid matter or as an emulsifier and an unsaturated polymer system in the form of a water-in-oil emulsion to be cured.

Compositions comprising glycidyl ether copolymers

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Wesel, Germany

Guillaume Wojciech Jaunky