Byk-chemie Gmbh

Bernd Göbelt

Jürgen Omeis

René Nagelsdiek

Wolfgang Pritschins

Dorothée Greefrath

Andreas Okkel

Albert Frank

Jörg Bömer

Marcus Meichsner

Alfred Bubat

Wojciech Jaunky

Frederik Piestert

Sabine Stelz

Stephan Remme

Andrea Esser

Bärbel Gertzen

Daniela Schröder

Andreas Freytag

Karlheinz Haubennestel

Ulrich Orth

Guillaume Wojciech Jaunky

Jörg Issberner

Petra Della Valentina

Carsten Nagel

Christian Wolfrum

Werner Tiegs

Sabine Johann

Monika Roch

Marc Hans

Christian Biecker

Thomas Launag

Natasa Meznaric

Heribert Holtkamp

Astrid Rudolfi

Jennifer Heitzer

Michael Sommer

Renë Nagelsdiek

Diana Walter

Tom Beckmann

Frank Tlauka

Eva Hoverath

Andrea Eßer

Carina Schepers

Angela Berger

Alexandra Schneider

Martin Muth

Heiko Juckel

Natasa Meznarik

Ralf Hoffmann

Sandra Köhler

René Nagelsdieck

Gerard Reestmann

The invention relates to polyamine addition compounds, methods for the production thereof, the use thereof as crosslinking agents and dispersing agents, and paints and plastic materials containing the addition compounds.

Polyamine addition compounds

A reaction product containing amido amine groups, comprising one or more species of the general formula (I)(R&#x2014;X)&#x2014;Z&#x2014;(XH)&#x2003;&#x2003;(I)where p+y=w and w is an integer from 1 to 10, p is an integer from 1 to 10, y is an integer from 0 to 9, and X is independently O, NH and/or NZand XH is independently a hydroxyl group OH, a primary amino group NHand/or a secondary amino group NHZwhere Zis independently a branched or unbranched, saturated or unsaturated organic radical G(U)where U is independently a hydroxyl group, a primary amino group or a secondary amino group and a is an integer from 0 to 9, where p+y+a&#x2264;10, and G is a branched or unbranched, saturated or unsaturated organic radical, the p Rradicals are independently a radical of the general formula (II)Y&#x2014;O&#x2014;CO&#x2014;NH&#x2014;R&#x2014;NH&#x2014;CO&#x2003;&#x2003;(II)in which the p Y radicals are independently a branched or unbranched, saturated or unsaturated organic radical which has 1 to 1000 carbon atoms and does not contain any hydroxyl groups, any primary amino groups or any secondary amino groups, the p Rradicals are independently a branched or unbranched, saturated or unsaturated organic radical having 6 to 20 carbon atoms,Zis a branched or unbranched, saturated or unsaturated organic radical containing at least two carbon atoms, having at least one amide group and at least one tertiary amino group.

Reaction products containing amidoamine groups

The invention relates to comb copolymers, which can be produced from at least one diglycidyl ether (A) of general formula (I), at least one polyether monoamine (B) of the general formula R&#x2014;[OEt][OPr][OBu]&#x2014;NH, at least one amine (C) of the general formula Z&#x2014;R&#x2014;NH, and optionally at least one secondary amine (D) that is free of primary amino groups and is of the general formula NHTV, wherein R stands for a residue free of epoxy groups, selected from aliphatic residues, aromatic residues, and araliphatic residues; Rstands for a residue selected from alkyl residues having 1 to 6 carbon atoms; OEt stands for an ethylene oxide residue, OPr stands for a propylene oxide residue, and OBu stands for a butylene oxide residue; n stands for a number from 0 to 100, m stands for a number from 3 to 50, and s stands for a number from 0 to 20, and n+m+s=3 to 103; Rstands for an aliphatic, aromatic, or araliphatic hydrocarbon residue having 1 to 12 carbon atoms; Z stands for a residue free of primary and secondary amino groups and having at least one basic nitrogen atom, T and V do not contain any secondary amino groups and stand, independently of each other, for aliphatic residues having 1 to 12 carbon atoms, aromatic residues having 6 to 12 carbon atoms, or araliphatic residues having 7 to 12 carbon atoms, wherein the molar number of the sum of the primary amino groups of the polyether monoamines (B) and primary amino groups of the amines (C) divided by the molar number of the epoxy groups of the diglycidyl ethers (A) equals a value of &#x2153; to &#xbe;. The invention further relates to the production of the comb copolymers, dispersions, particulate preparations, wetting agents, and dispersants that contain the comb copolymers, to particles coated with the comb copolymers, and to the use of the comb copolymers as wetting agents and dispersants, in particular for increasing the jetness.

Epoxy/amine adducts for dispersing solids

A reaction product containing urethane groups, comprising one or more species of the general formula (I)(R&#x2014;X)&#x2014;Z&#x2014;(XH)&#x2003;&#x2003;(I)

Urethane-group-containing reaction products

The invention relates to a copolymer that can be used as wetting agent and dispersant and contains i) 40-73 mole percent of a base structural unit (A) and ii) 27-60 mole percent of a substituted dicarboxylic acid derivative structural unit (B), the structural unit (B) containing species having a bisamide structure and species having quaternized amino groups.

Ionic bonding group-containing comb polymers

The invention relates to a composite formulation comprising a specific mediator additive component (A) of relatively high molecular weight, a filler component (B) and a binder component (C). The composite formulation can be cured to a composite which is especially suitable for the production of moldings.

Curable polymer mixture

An object having a coating produced using an adhesion promoter, wherein the adhesion promoter comprises at least one, optionally oligomeric, addition product having no terminal C&#x2550;C double bonds and having hydrolyzable silane groups.

Object or an article whose surface is provided with a coating produced using and adhesion promoter

The present invention relates to a method for producing an additive composition which in particular contains specific urea urethanes. The additive composition is extremely suitable as a wetting agent and dispersant.

Method for producing dispersant additives

The invention relates to a copolymer whose overall structure as such and/or an optionally present segment A having at least 10 bivalent structural units in the overall structure contains surface-active bivalent structural units present in the form of long hydrocarbon chains among other forms. The copolymer is effective as a universal surface-active additive, especially also in conjunction with nonpolar media.

Surface-active comb copolymers

Phosphoric acid derivatives, which are present as urea urethanes and contain a radical with an affinity for the binder in addition to at least one phosphoric acid ester group. Said phosphoric acid derivatives are especially suitable as wetting agents and dispersants. The derivatives are present according to the general formula (I)Y(&#x2014;O&#x2014;CO&#x2014;NH&#x2014;R&#x2014;NH&#x2014;CO&#x2014;X&#x2014;Z)&#x2003;&#x2003;(I)

Dispersing additives based on phosphoric acid ester derivatives

Curable polymer mixtures comprising at least one oligomeric addition product with hydrolyzable silane groups and additional functional groups as the mediator additive, and a curable polymer system having epoxy group-carrying polymers and curing agents, fillers and optionally addditives; polymer concrete mixtures and molded bodies produced therefrom.

Curable polymer mixtures

The invention relates to a copolymer which can be obtained by free-radical copolymerization of one or more urethane-based, polysiloxane-containing macromonomers and one or more further free-radically polymerizable comonomers. Processes for preparing the copolymer and its use as additive in coating compositions and plastics and as wetting agent and dispersant in homogeneous dispersions are also described.

Copolymers which can be obtained from urethane-based, polysiloxane-containing macromonomers, processes for the preparation thereof and their use

The present invention relates to a polymer mixture consisting of at least one comb copolymer I containing blocks consisting of special structural units and at least one copolymerisate II comprising polymerised, optionally substituted styrene and maleic anhydride units, the carboxyl groups of which are present at least partially as alkali metal, earth alkali metal or ammonium salts, and also to the use of these polymer mixtures as wetting and dispersing agents.

Polymer mixture comprising a comb copolymer

A method of promoting the adhesion between a coating based on at least one polymer and a substrate surface that can be made of different materials in which an adhesion promoter comprising at least one, optionally oligomeric, addition product having no terminal C&#x2550;C double bonds and has hydrolyzable silane groups and other functional groups is included in the coating composition, included in a preliminary coating applied to the substrate surface prior to the actual coating, is applied between the coating and substrate surface, or any combination thereof.

Adhesion promoter for coatings on different substrate surfaces

A process for preparing a randomly branched copolymer, by reacting the components (a) 10-98.9 mol % of at least one acrylic ester of a straight-chain, branched or cyclic C-C-alkyl monoalcohol, (b) 0.1-10 mol % of at least one polyethylenically unsaturated monomer and (c) optionally one or more monoethylenically unsaturated monomers other than acrylic esters of straight-chain, branched or cyclic C-C-alkyl monoalcohols and other than compounds of the formula (I), in the presence of (d) 1-10 mol % of at least one compound of the formula (I) HC&#x2014;CRR&#x2014;CH&#x2014;CR&#x2014;CH(I) where R, Rare each independently aryl, CN or COORwhere R&#x2550;H, alkyl, aryl or aralkyl, and R=alkyl, aryl or aralkyl, and is the presence of at least one initiator of free-radical polymerization in a free-radical polymerization, where the stated molar proportions of components (a), (b), (c) and (d) add up to 100 mol %, and where the molar proportion of component (b) does not exceed the molar proportion of component (d), Copolymers obtainable by the process and use thereof as levelling agents in coating substances.

Randomly branched copolymers, preparation thereof and use thereof as levelling agents in coating substances

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Wesel, Germany

Bernd Göbelt