Allnex Netherlands B.v.

Nuplex Resins B.v.

Allnex Austria Gmbh

Akzo Nobel N.v.

Oce-technologies B.v.

Hexion Specialty Chemicals, Inc.

Richard Hendrikus Gerrit Brinkhuis

Antonius Johannes Wilhelmus Buser

Petrus Johannes Maria David Elfrink

Ferry Ludovicus Thys

Elwin Aloysius Cornelius Adrianus De Wolf

Michael Anthony Gessner

Dirk Emiel Paula Mestach

Martin Bosma

Mohamad D Shalati

Jan Andre Jozef Schutyser

Paulus Jozef Dolphijn

Ramesh Subramanian

Ajaya Nanda

William Jay Degooyer

Eric Matthew McCracken

Francesca Fallani

Nicole Mangnus-Verhagen

Monique Alexina Mballa Mballa

Roberto Cavalieri

Rudolf Anthonius Maria Venderbosch

Rien Goedegebuure

Robert Watson

Roland Feola

Florian Lunzer

Armin Temel

Roelof Hendrik Everhardus

Cornelis Adrianus Maria Vijverberg

Erik Kelderman

Robert Potzmann

Oliver Etz

Marcus Petrus Leonardus Huinck

Jeff A Burger

Rudolf Antonius Maria Venderbosch

Andreas Henricus Johannes Roelofs

Danny Hendrik Maria Hendricks

Rudolp Anthonius Maria VenderBosch

Christopher J Holmes

Richard K Winblad

William Weaver

Wincently Lambertus Stanislaw Pilaszek

Hendrik Hermanus Rikus Van Der Horst

Michael Antony Gessner

Pengcheng Yang

Paul Jones

Massimiliano Censi

Robertino Chinellato

David James Sauer

Steve White

Alessandro Minesso

Jan Andre Josef Schutyser

Dimitrios Baxevanis

Enrico Richardus August Rensen

Mohamad Deeb Shalati

Mohamad Shalati

Jan André Jozef Schutyser

Jeffery A Burger

Ajaya Kumar Nanda

Mohammed Deeb Shalati

The present invention relates to a coating composition comprising a blend of polyesters, said blend comprising: —from 0.1 to 99.9% by weight of one or more saturated polyesters (A) and —from 99.9 to 0.1% by weight of one or more unsaturated polyesters (B), based on the total weight of polyesters (A) and (B); said one or more (A) and one or more (B) having a Weight Average Molecular Weight (Mw) of at least 15,000 g/mole, as measured by Gel Permeation Chromatograph using tetrahydrofuran as solvent, and a glass transition temperature, as measured by Differential Scanning Calorimetry, according to DIN EN 61006, method A, of at least 60° C. The present invention also relates to a high molecular weight polyester as such, the method for producing a coated substrate, the coated substrate as such, and use of the coating composition.

Coating composition

The invention relates to a self-emulsifying polymer US comprises Michael donor groups, wherein the Michael donor groups are acidic C—H groups from activated methylene and/or methine groups, to an aqueous polymer dispersion containing a mixture thereof with compounds having Michael acceptor groups which are activated olefinically unsaturated groups, activated by an electron-withdrawing group, and a catalyst to promote the Michael reaction, to a paint binder prepared from the mixture and the catalyst, and to coating compositions comprising the paint binder and appropriate additives.

Binder for an aqueous coating composition

The invention relates to powder coating compositions suitable for low temperature powder coating crosslinking typically at curing temperature is between 75 and 140° C. which can be used for powder coating temperature-sensitive substrates like MDF, wood, plastic or temperature sensitive metal alloys.

Powder coating composition

The invention relates to the use of Real Michael Addition (RMA) crosslinkable composition for the preparation of a floor coating, to special RMA crosslinkable compositions with long working time and very short service time and low VOC and to specific floor compositions, in particular for use in high build floor coating applications.

Floor coating compositions

A RMA crosslinkable coating composition, a method for the preparation thereof and a resulting coating having easy to clean properties useful in applications like graffiti resistant, sanitisable coatings and in flooring, the composition comprising RMA crosslinkable component with at least 2 RMA donor groups and at least 2 RMA acceptor groups characterized by having fatty components selected from the group of fatty acids, fatty alcohols, fatty amines, fatty thiols and dimeric fatty acid in an amount represented by an Oil Content OC between 0, preferably 4 and 40 wt %, and crosslinking density XLD of at least 1.4 a glass transition Tg of at least 290 in combination providing a easy to clean value &#x394;E less than 20. The invention also relates to RMA crosslinkable fatty resins for use in RMA crosslinkable top coatings.

RMA crosslinkable compositions and RMA crosslinkable resins for easy to clean coatings

The invention relates to RMA crosslinkable coating composition, a method for the preparation thereof and a resulting coating having easy to clean properties useful in applications like graffiti resistant, sanitisable coatings and in flooring, said composition comprising RMA crosslinkable component with at least 2 RMA donor groups and at least 2 RMA acceptor groups characterized by having fatty components selected from the group of fatty acids, fatty alcohols, fatty amines, fatty thiols and dimeric fatty acid in an amount represented by an Oil Content OC between 0, preferably 4 and 40 wt %, and crosslinking density XLD of at least 1.4 a glass transition Tg of at least 290 in combination providing a easy to clean value &#x394;E less than 20. The invention also relates to RMA crosslinkable fatty resins for use in RMA crosslinkable top coatings.

The invention relates to a coating system comprising I) a primer coating composition comprising a binder component PA that contains primary amine functionality blocked with a ketone or aldehyde, a binder component PB that contains acetoacetate or acetoacetamide functional groups and II) a RMA crosslinkable coating composition a component A with at least two acidic protons C&#x2014;H in activated methylene or methine groups, a component B with at least two activated unsaturated C&#x2550;C groups and a base crosslinking catalyst C. The invention also relates to the use of the specified primer coating composition for improving adhesion of a RMA crosslinkable coating composition, in particular to metal substrates, to a method for coating a substrate and to coated substrates coated with the coating system of the invention.

Coating system for RMA crosslinkable coating compositions

The invention relates to a process for the preparation of a RMA crosslinkable composition comprising at least one crosslinkable component comprising reactive components A and B each comprising at least 2 reactive groups wherein the at least 2 reactive groups of component A are acidic protons C&#x2014;H in activated methylene or methine groups and the at least 2 reactive groups of component B are activated unsaturated groups C&#x2550;C and base catalyst C and one or more N&#x2014;H group containing reactivity moderating component D that are also a Michael addition donor reactable with component B under the action of catalyst C, characterized in that the one or more reactivity moderating components D have a melting temperature above 60&#xb0; C. and is first dissolved in one or more crosslinkable components comprising reactive components A or B and the obtained pre-dissolved product is later mixed with other components of the RMA crosslinkable composition.

Process for the manufacture of a crosslinkable composition

The invention relates to a process for the preparation of a thixotropic composition comprising polyurea particles, said process comprising contacting and reacting in a liquid medium reactants to form a polyurea and precipitating the polyurea to form polyurea particles, wherein acoustic vibration is applied during contacting of the reactants or as a post-treatment on the formed polyurea particles or both. The invention further relates to a thixotropic composition obtainable by the process, in particular thixotropic composition comprising high amounts of polyurea particles and optionally a polymer resin having high thixotropic efficiency. The compositions can be used, in particular as a masterbatch, in preparation of i.a. coating compositions.

Process for the preparation of a thixotropic composition

The invention relates to a powder coating composition for low temperature curing that can be used on temperature sensitive substrates and, despite of the low curing temperature, has excellent flow properties and forms a coating with excellent appearance and nevertheless also good mechanical and weathering properties. The invention also relates to an advantageous process for the manufacture of the powder coating composition. Said powder coating composition comprises a poly-acid functional polyester component A, a poly-epoxy functional component B, a poly-anhydride functional component C and a thermosetting curing catalyst D. The invention also relates to a polyester for use in the powder coating compositions according to the invention, in particular for durable powder coatings.

Low temperature cure powder coating compositions

The invention relates to an adhesion promotor for improving adhesion on a substrate surface of an RMA crosslink able composition comprising one or more crosslinkable components comprising a reactive component A with at least two acidic protons C&#x2014;H in activated methylene or methine groups, a reactive component B with at least two activated unsaturated C&#x2550;C groups, a catalyst C for catalyzing the RMA crosslinking reaction between components A and B, said adhesion promotor P comprising a moiety comprising one or more functional groups X or precursors thereof readable with component A or component B and a moiety comprising one or more functional groups Y or precursors thereof that adsorb or react with the substrate surface not being an alkoxysilane group. The invention also relates to a RMA crosslinkable composition, also in the form of a kit of parts, to a premix for use as a part in the kit of parts.

Adhesion promotor for real michael addition crosslinkable compositions

A method for applying a RMA crosslinked coating with improved adhesion, comprising the steps of applying on the substrate surface a layer of a modified epoxy primer comprising an epoxy functional polymer binder and a crosslinker, wherein adhesion of the RMA crosslinked coating to the epoxy primer layer is improved by said primer comprising after curing functional groups X reactable with crosslinkable components of the RMA crosslinkable composition or a precursor of functional groups X, preferably a moisture deblockable precursor. The invention also relates to modified epoxy primers, compositions for improving adhesion of epoxy primers and use thereof to improve adhesion of RMA crosslinkable coatings.

Method for applying RMA crosslinkable coating on modified epoxy primer coating

An RMA crosslinkable composition having at least one crosslinkable component including reactive components A and B each including at least 2 reactive groups, the at least 2 reactive groups of component A being acidic protons (C&#x2014;H) in activated methylene or methine groups and the at least 2 reactive groups of component B are activated unsaturated groups (C&#x2550;C) and a base catalyst (C) which reactive components A and B crosslink by Real Michael Addition (RMA) reaction under action of the base catalyst, characterised in that the at least one crosslinkable component including reactive components A and B in the composition have a total hydroxy number of less than 60, preferably less than 40 and more preferably less than 20 mg KOH/g solids. Further, specific resins A and B having a low hydroxy number for use in RMA cross-linkable compositions and a process for the manufacture thereof.

Crosslinkable composition cross-linkable by real Michael addition reaction and resins for use in said composition

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Zwolle, Netherlands

Richard Hendrikus Gerrit Brinkhuis