Byk-chemie Gmbh

Bky-chemie Gmbh

Byk Netherlands B.v.

Frederik Piestert

Jürgen Omeis

Wolfgang Pritschins

Thorsten Kröller

Sascha Kockoth

Bernd Göbelt

Werner Tiegs

Andre Rapthel

Patricia Oostendorp

Dennis Levering

René Nagelsdiek

Carl-Eric Wilen

Inno Rapthel

Christian Biecker

Melanie Aubert

Teija Tirri

Alessa Meyer

Timo Ääritalo

Majdi Al-Masri

Natasa Meznaric

Daniela Schröder

Andreas Okkel

Guillaume Wojciech Jaunky

Jörg Bömer

Sabine Stelz

Carsten Nagel

Michael Bessel

Jennifer Heitzer

Sandra Sabrina Meyer

Sandra O'Shea

Jochen Wilms

Markus Borth

Torsten Oelmann

Hans-Jürgen Eichler

Lisa Höhm

Eva Hoverath

Lisa Bachmann

Evert Jan Aalderink

Eva Besten

Angelika Orlowski

Lee Robyn Gunning

Marcel Krohnen

Timo ÄÄRitalo

Patricia Giesen

Anette BRÜNE

Anna-Maria Diehl

Sebastian Reinelt

Bernd GÖBELT

Natasa Meznarik

A grafted polylactic acid is provided, wherein the grafted polylactic acid contains carboxylic acid end groups in an amount from 1.0 to 10.0 mg KOH/g and contains epoxide groups in an amount from 0.005 to 0.500 mmol/g.

Grafted polylactic acid

A composition is provided comprising an epoxide functional polymer comprising epoxide functional groups, wherein the epoxide functional polymer has a number average molecular weight of 1000 to 10.000 g/mol and a grafted polylactic acid, wherein the polylactic acid is grafted with an acid-functional ethylenically unsaturated polymerizable monomer and/or an acid anhydride-functional ethylenically unsaturated polymerizable monomer and has a total amount of carboxylic acid groups and carboxylic acid anhydride groups between 10.0 and 60.0 mg KOH/g.

Composition comprising a grafted polylactic acid

The invention relates to a composition comprising an organic polymer, and a silyl functional compound comprising a N&#x2014;Si bond.

Silyl functional compound for improving flame retardant properties

The invention relates to the use of a silyl functional compound b), which silyl functional compound comprises a N&#x2014;O&#x2014;Si bond, for improving the flame retardant properties of a composition comprising an organic polymer a), which is one of a thermoplastic polymer or a thermoset polymer or a mixture thereof.

The invention relates to a composition comprising a) a thermoplastic matrix polymer based on one or more ethylenically unsaturated polymerizable monomer(s), wherein the thermoplastic polymer is selected from the group consisting of polyolefins, polystyrene, polyacrylates, ethylene-vinylacetate copolymer, and copolymers and blends of the aforementioned, b) an inorganic flame retardant, c) a polymer based on one or more ethylenically unsaturated polymerizable monomers and having a plurality of alkoxysilane and/or acetoxysilane groups covalently linked to the polymer, wherein the ethylenically unsaturated polymerizable monomers of component c) are different or have a different composition than the ethylenically unsaturated monomer(s) of component a) and d) a clay.

Thermoplastic composition having improved flame retardant properties

The invention relates to a process of preparing a polyolefin polylactic acid polymer blend comprising the steps of i) providing a polyolefin selected from polyethylene, polypropylene, and mixtures and copolymers thereof, ii) providing polylactic acid, iii) providing a polyolefin selected from polyethylene, polypropylene, and mixtures and copolymers thereof grafted with at least one epoxide-functional monomer, iv) providing a polylactic acid grafted with at least one carboxylic acid or carboxylic anhydride functional monomer, v) mixing the components i) to iv) at elevated temperature in a range from 150&#xb0; C. to 260&#xb0; C., and wherein component i) is provided in an amount of 5.0 to 50.0% by weight, component ii) is provided in an amount of 40.0 to 90.0% by weight, component iii) is provided in an amount of 1.0 to 20.0% by weight, and component iv) is provided in an amount of 1.0 to 15.0% by weight, calculated on the sum of components i) to iv).

Polyolefin polylactic acid polymer blends

The invention relates to the use of a branched polyester having an average of at least 2.8 terminal groups as additive for a curable pre-polymer composition, wherein the branched polyester acts as de-foaming agent.

Use of a branched polyester

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 invention relates to a two-component or multi-component system having at least one epoxy resin component (1) that comprises i. at least one epoxy resin, ii. at least one inorganic thickener (a1) and iii. at least one wetting and dispersing agent (a2) that inhibits the thickening effect of said inorganic thickener (a1); as well as a curing component (2) which comprises i.) at least one component (b1) that at least partially cancels the inhibition of the thickening effect of the inorganic thickener (a1); said wetting and dispersing agent (a2) being non-reactive to the at least one epoxy resin, and the curing component (2) being reactive to said epoxy resin component (1). The invention also relates to substrates coated with a two-component or multi-component system according to the invention. The invention also relates to the use of a combination of (a1) and (a2) in epoxy resin compositions, in order to give the formulation a latent thickening effect.

Epoxy resin-epoxy curing systems with a latent thickening tendency

The invention relates to rheology control kits for thickening two- or multi-component systems, comprising at least one module A containing (a1) at least one inorganic thickener and (a2) at least one wetting and dispersing agent that inhibits the thickening effect of the inorganic thickener (a1) and at least one module B containing (b1) at least one polymer that at least partially removes the inhibition of the thickening effect of the inorganic thickener (a1). The invention also relates to two- and multi-component systems into which modules can be incorporated, latent thickeners comprising module A and the use of latent thickeners in order to equip components with a latent thickening effect.

Latent thickeners, rheology control kit and multi-component systems

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 use of at least one condensation product (A) in the form of the free compound or in the form of a salt of at least one acid as a thixotropy-increasing additive, which condensation product can be obtained by reacting at least one polymerized fatty acid or at least one reaction product (U) of at least two polymerized fatty acids and at least one polyamine having at least two primary amino groups as component (a1) with at least one polyalkylene polyamine, which is capable of forming at least one imidazoline and/or tetrahydropyrimidine unit and which has at least two primary amino groups or at least one primary and at least one secondary amino group, a composition containing at least one such condensation product (A) and at least one thixotropic agent (B), and a use of said composition, which additionally comprises at least one binder (C), as an adhesive, sealant, paint, coating agent, adhesive resin, casting resin, artificial marble, floor covering, polymer concrete, or fiber composite material.

Thixotropy-increasing additive and composition containing said additive

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

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

The invention relates to a wetting and dispersing agent that can be produced by carrying out step (1): wherein a) an organic polymer containing primary and/or secondary amino groups and b) at least one branched polyhydroxymonocarboxylic acid comprising, in addition to a carboxyl group, at least two hydroxy groups, one of which is not bound to the main chain of the molecule, are reacted by condensation reactions, forming amide linkages; and step (2): wherein at least some of the hydroxy groups of the hydroxy-functional reaction product obtained in step (1) are reacted with at least one organic monoisocyanate, forming urethane linkages.

Wetting and dispersing agent, production method and use thereof

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Wesel, Germany

Frederik Piestert