| BYK-Chemie GmbH Patent applications |
| Patent application number | Title | Published |
| 20120130007 | POLYMERS OBTAINABLE FROM OXETANE BASED MACROMONOMERS, METHOD FOR THE PRODUCTION THEREOF, AND THE USE THEREOF AS ADDITIVES IN COATING AGENTS AND PLASTICS - A polymer obtainable by free-radical polymerization of one or more oxetane-based macromonomers and optionally one or more further, free-radically polymerizable comonomers, the oxetane-based macromonomer(s) being obtainable by cationic ring-opening polymerization of at least one hydroxyoxetane with a terminally ethylenically unsaturated starter molecule free of allyl groups in a molar ratio (hydroxyoxetane(s):starter molecule) of (100:1) to (1:1) in the presence of at least one suitable catalyst. Processes for preparing the polymer and the use thereof as an additive in coating compositions and plastics. | 05-24-2012 |
| 20120029104 | COMPOSITION COMPRISING STABLE POLYOL MIXTURES - Single-phase fluid compositions, comprising at least two isocyanate-reactive polyol components which are inherently incompatible with each other and as a mediator additive at least one copolymer compatibilizer additive effectuating compatibility between the originally incompatible polyol components, said copolymer comprising structural units having at least one nitrogen group which can be protonized. | 02-02-2012 |
| 20110313089 | DISPERSION MEDIUM COMPRISING MONOCARBOXYLIC ESTERS FOR PREPARATIONS OF SOLIDS - The invention concerns a composition comprising as component (A): 10% to 97% by weight, based on the total weight of the composition, of one or more monocarboxylic esters of the general formula R | 12-22-2011 |
| 20110294933 | POLYHYDROXYFUNCTIONAL POLYSILOXANES FOR INCREASING THE SURFACE ENERGY OF THERMOPLASTICS, METHOD FOR PRODUCTION AND USE THEREOF - The invention relates to polyhydroxyfunctional polysiloxanes, which may be produced by the addition of at least one branched polyhydroxyfunctional allyl polyether to a Si—H functional alkyl polysiloxane, to methods for production thereof and the use thereof as additives in thermoplastics and polymeric moulded masses and the thermoplastics and polymeric moulded masses containing the same. | 12-01-2011 |
| 20110257326 | COMPOSITIONS COMPRISING GLYCIDYL ETHER COPOLYMERS - 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. | 10-20-2011 |
| 20110190420 | CURABLE POLYMER MIXTURES - 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 | 08-04-2011 |
| 20110185947 | POLYHYDROXYFUNCTIONAL POLYSILOXANE AS ANTI-ADHESIVE AND DIRT-REPELLANT ADDITIVES IN COATINGS POLYMERIC MOULDED MASSES AND THERMOPLASTICS, METHOD FOR PRODUCTION AND USE THEREOF - The invention relates to a method for production of polyhydroxyfunctional polysiloxanes with branched polyglycidol polyether groups, in which firstly at least one allylic or methallylic starting material is reacted with at least one glycidol, such that an allyl polyether or methallyl polyether is formed, and then the allyl polyether or methallyl polyether thus produced is added to a Si—H functional alkyl polysiloxane in the presence of an acid buffering agent. The invention further relates to polysiloxanes, which may be obtained by said method and the use of the polysiloxanes in coating agents, polymeric coating masses and thermoplastics. | 08-04-2011 |
| 20110172330 | POLYPROPYLENE OXIDE-CONTAINING POLYETHERS AND MIXTURES THEREOF WITH POLY(METH)ACRYLATES AS POWDER COATING LEVELING AGENTS - The invention relates to powder coating leveling agents comprising (a) at least one polypropylene oxide-containing polyether having a weight-average molecular weight of more than 1000 g/mol and a polypropylene oxide fraction of more than 75% by weight, and optionally (b) at least one poly(meth)acrylate. The invention further relates to the preparation of such leveling agents and to their use in powder coating materials, and also to powder coating materials comprising the leveling agents. | 07-14-2011 |
| 20110160389 | METAL EFFECT PIGMENTS, METHOD FOR THE PRODUCTION AND THE USE THEREOF AND POWDER COATING - Metallic effect pigments with a platelet-shaped metallic substrate. The pigments have at least one metal oxide layer. Covalently bonded to the surface of the metal oxide layer is a polysiloxane of formula I: | 06-30-2011 |
| 20110021699 | WETTING AGENTS AND DISPERSANTS, THEIR PREPARATION AND USE - The invention relates to addition compounds and their salts that comprise polypropylene oxide structures, characterized in that the addition compounds are obtainable by reacting (a) one or more polyisocyanates having at least two isocyanate groups per molecule with (b1) one or more compounds of the formula Y—XH, (b2) optionally one or more compounds of the formula G-(XH) | 01-27-2011 |
| 20100322879 | WETTING AND DISPERSING AGENT - Low-VOC mixture of at least partially salified copolymers of at least one ethylenically unsaturated, phenyl-group-containing monomer and at least one α,β-unsaturated monocarboxylic acid and/or at least one α,β-unsaturated dicarboxylic acid, of at least one water-soluble polyether, esterification products of at least one water-soluble polyether and an aliphatic dicarboxylic acid, and of a star polymer obtainable by esterifying a carboxylic acid containing at least 3 carboxyl groups with at least one water-soluble polyether, and use thereof as a wetting and dispersing agent, preferably for producing low-VOC pigment pastes or low-VOC paint systems. | 12-23-2010 |
| 20100240842 | Polyhydroxy-Functional Polysiloxanes, method for the production and use thereof - The invention relates to polyhydroxy-functional polysiloxanes which are preparable by the addition reaction of at least one branched polyhydroxy-functional allyl polyether with an Si—H-functional alkyl polysiloxane, to processes for preparing them, to their use as additives in coating compositions, polymeric moulding compounds or thermoplastics, and to coating compositions, polymeric moulding compounds and thermoplastics that comprise them. | 09-23-2010 |
| 20100206761 | WATER STORAGE TANK - Storage tank loaded with an aqueous medium and made of porous, freely flowing particles, wherein the particles are formed from a hydrophobic polymer and the loading of said particles contains at least one particular mediator additive of the general formula (I), the use of which as an entrainer delivery agent for removing volatile components from plastics, for evenly doping intermediate plastic products and/or plastic articles with adjuvants as a soil improvement agent such as a delivery agent for a pest management agent or fertilizer | 08-19-2010 |
| 20100168316 | WETTING AGENTS AND DISPERSANTS BASED ON MIXTURES OF STRUCTURE COPOLYMERS - The invention relates to compositions comprising two structured linear copolymers selected from the group consisting of block copolymers and gradient copolymers, these copolymers being prepared by different controlled polymerization techniques and the difference in the polydispersities of these copolymers, Δ(M | 07-01-2010 |
| 20100099813 | Comb (block) copolymers - The present invention relates to comb (block) copolymers obtainable by reacting | 04-22-2010 |
| 20100048809 | SURFACE-MODIFIED PARTICLES AND PRODUCTION METHOD - The invention relates to surface-modified particles, more particularly inorganic-based particles having reactive surfaces, more particularly surfaces containing silane-reactive and/or siloxane-reactive groups, preferably hydroxyl-containing surfaces and/or particles comprising or consisting of metal and/or semi-metal oxides and/or hydroxides, preferably nanoparticles, which on their surface have a polysiloxane-based modifier having more particularly been reacted on their surface with a polysiloxane-based modifier, preferably with the formation of chemical bonds, more particularly covalent bonds, and also to a method of producing these surface-modified particles. | 02-25-2010 |
| 20100029834 | POLYMER MIXTURE COMPRISING A COMB COPOLYMER - 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. | 02-04-2010 |
| 20100016492 | CURABLE POLYMER CONCRETE MIXTURE - A curable polymer mixture comprising 1.) at least one at least oligomeric addition product a) of at least one amino silane and/or thiosilane having at least one hydrolysable silane group to at least one compound having at least two terminal, ethylenically unsaturated double bonds, and/or at least one at least oligomeric addition product b) of at least one isocyanate silane and/or epoxy silane having at least one hydrolysable silane group to at least one oligomeric compound having at least three recurring units and at least one terminal hydroxyl group or terminal amino group and at least one terminal ethylenically unsaturated double bond as coupling additive, 2.) a system which can be cured by radical polymerisation, comprising at least one ethylenically unsaturated polymer and/or a (meth)acrylic resin, at least one ethylenically unsaturated monomer, at least one radical initiator and optionally at least one cross-linking agent as binder 3.), at least 20% by weight, preferably at least 40% by weight, more preferably at least 60% by weight, based on the total weight of the components 1.) to 4.) of the polymer mixture, of inorganic, preferably multiparticulate, fillers as aggregates, and 4.) optionally conventional auxiliaries. | 01-21-2010 |
| 20090221745 | Universal Wetting Agents and Dispersants Based on Isocyanate Monoadducts - Addition compound suitable as a wetting and dispersing agent and obtainable from the reaction of
| 09-03-2009 |