Byk-chemie Gmbh

Andreas Okkel

Jörg Bömer

Wolfgang Pritschins

Sabine Stelz

Jürgen Omeis

Bernd Göbelt

Irina Giebelhaus

Guillaume Wojciech Jaunky

Hans-Josef Teuwsen

Jennifer Heitzer

Markus Lorenz

Ryo Takabayashi

Hiroshi Yonehara

Frederik Piestert

Albert Frank

Andrea Esser

Marcus Meichsner

Monika Roch

Udo Krappe

Wolfgang Griesel

Michael Bessel

Werner Tiegs

Astrid Rudolfi

Peter Walter Stannek

Sandra Sabrina Meyer

Jan Von Haaren

Benjamin Lindner

Yoshito Kitagawa

Matthew Burge

Shinji Hino

Yoshizumi Kohara

Ina Van Kamp

Sabrina Stopka

Ramona Scholten

Anne Vogel

Eva Hoverath

Stacy Scranton

Andrea Eßer

Bernd GÖBELT

Yu Sugioka

Megumu Takai

Robin Von Hagen

Jorg Bomer

The invention relates to a comb polymer having repeating units of at least one of the structures of formulae (I) to (IV) wherein Rrepresents a polyoxyalkylene group and A represents an organic group, and wherein the comb polymer has end groups of the general formula (V) wherein Rand Rindependent of each other are selected from a) organic groups having 1 to 24 carbon atoms and b) R.

Comb polymer and use thereof as dispersing agent

The invention relates to a comb polymer having a polymer backbone and lateral side chains linked to the polymer backbone, wherein the lateral side chains comprise a) alkyl ether terminated polyalkylene oxide side chains, and b) tertiary amine-functional side chains, wherein the tertiary amine groups are at least partly neutralized by an acid having a molecular weight in the range of 100 g/mol to 2000 g/mol, wherein the molecular weight relates to the number average molecular weight Mn in the case of polymeric acids, and wherein the lateral side chains a) and b) are distributed in random order.

Comb polymer having salt groups

The invention relates to a non-pigmented composition comprising a) a block co-polymer comprising at least one first block and at least one second block which is different from the first block, wherein the first block comprises repeating units 1, repeating unit 1 and the second block comprises repeating units 2, repeating unit 2 wherein Z represents O or NH, Rrepresents H or CH, Rrepresents a group selected from hydrocarbyl groups and ether group-containing groups, Rrepresents an organic group having 2 to 4 carbon atoms, Rand Rindependently represent an organic group, wherein Rand Rare optionally linked to each other to form a cyclic structure, and b) a polymer comprising at least one acidic group, and having a number average molecular weight of 300 g/mol or higher.

Non-pigmented dispersant composition

The invention relates to a polymer or oligomer comprising a) An oligomeric or polymeric core comprising carbon atoms and at least one of oxygen atoms and nitrogen atoms, and b) at least three hydrocarbyl terminal and/or pending groups having 12 to 100 carbon atoms, wherein the hydrocarbyl groups are linked to the core via c) a linking moiety comprising i) a urethane group and ii) a group selected from urethane group, urea group, and biuret group.

Pour point depressant

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 present invention relates to reaction products containing urethane groups and urea groups, containing at least one species of general formula (I), to a method for producing said reaction products, to the use of said reaction products as wetting agents, dispersants, dispersion stabilizers, and/or adhesion promoters, and to compositions that contain the reaction products containing urethane groups and urea groups.

Reaction products containing urethane groups and urea groups

The invention relates to an aqueous composition having a continuous aqueous phase, a polymer having a polymer backbone having carboxylic acid groups covalently linked to the polymer backbone, a polyalkylene oxide terminated at one end by a hydrocarbyl group having 8 to 30 carbon atoms, and, a compound according to formula (I) as described herein.

Aqueous dispersant composition

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 a composition comprising i) 10-90 wt. % of an ethylenically unsaturated component (A), ii) 10-90 wt. % of a component (B) having urethane and/or urea groups, iii) 0-4 wt. % of an organic component (C) which is different from components (A) and (B), and iv) 0-9 wt. % of other ingredients (D) wherein the wt. % are calculated on the total weight of the composition, wherein the sum of the wt. % of component (A) and the wt. % of component (B) is 91-100 wt. %, component (A) consists of compounds having 1-8 ethylenically unsaturated bonds and a molar mass of 100-1400 g/mol, component (A) contains no amino groups, component (B) contains no primary and no secondary amino groups, component (B) consists of compounds having 2-40 functional groups selected from urethane and urea groups, having 1-40 groups selected from tertiary amino groups, salts thereof, quaternary ammonium groups, and mixtures thereof, component (B) contains not more tertiary amino groups than the sum of urethane and urea groups, and component (B) has a nitrogen content in the range of 1.0 to 12.0 wt. %, component (C) consists of organic compounds having a molar mass of less than 1000 g/mol.

Multi component dispersant

The invention relates to processes for producing an amine adduct in which in a 1st step a polyamine (A) is reacted with a monomer (C) in the form of an epoxide, an oxetane or a cyclic carbonate to afford an (intermediate) product (AC) which in a subsequent 2nd step is reacted with a monomer (B) in the form of a lactone, an acyclic hydroxycarboxylic acid or a hydroxy-functional acyclic ester to afford a (descendant) product (ACB), wherein the polyamine (A) in each case comprises at least three amino groups (A+) selected from primary and secondary amino groups and each capable of reaction with the monomers (C) and (B), the monomer (C) contains no ester groups, no carboxyl groups and no primary or secondary amino groups and in the 1st step with ring opening and formation of a hydroxyl group (H+) reacts with one of the amino groups (A+) of the polyamine (A) with additional formation of either a carbon-nitrogen bond or a urethane bond, the monomer (B) contains no primary or secondary amino groups, has a molecular weight of 90-300 g/mol and in the 2nd step reacts in such a way that any amino groups (A+) not converted in the 1st step are converted into amide groups and hydroxyl groups (H+) formed in the 1st step are converted into ester groups, wherein the monomer (B) is chosen in such a way that either in the conversion thereof a terminal hydroxyl group (H++) is additionally formed or that the monomer (B) itself already has a terminal hydroxyl group (H++) and that via the terminal hydroxyl groups (H++) with formation of (poly)ester groups a further addition of the monomer (B) is effected, wherein the process parameters are chosen such that in the 1st step and in the 2nd step altogether at least 50 mol % of the amino groups (A+) are converted.

Polyester-modified amino adducts

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)

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Wesel, Germany

Andreas Okkel