Allnex Netherlands B.v.

Nuplex Resins B.v.

Michael Anthony Gessner

Richard Hendrikus Gerrit Brinkhuis

Dirk Emiel Paula Mestach

Antonius Johannes Wilhelmus Buser

Ramesh Subramanian

William Jay Degooyer

Ajaya Nanda

Eric Matthew McCracken

Paulus Jozef Dolphijn

Mohamad D Shalati

Petrus Johannes Maria David Elfrink

Jan Andre Jozef Schutyser

Martin Bosma

Ferry Ludovicus Thys

Elwin Aloysius Cornelius Adrianus De Wolf

Francesca Fallani

Monique Alexina Mballa Mballa

Rien Goedegebuure

David James Sauer

Mohamad Deeb Shalati

Mohamad Shalati

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 a method for dual curing a RMA crosslinkable resin coating, to RMA crosslinkable compositions and to resins for use in the method.

Method for curing a RMA crosslinkable resin coating, RMA crosslinkable compositions and resins for use therein

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 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 curing of a coating of RMA crosslinkable compositions, to RMA crosslinkable compositions and A method for curing of a coating of an RMA crosslinkable composition involving two or more different curing mechanisms, wherein the two or more different curing mechanisms involve a) RMA crosslinking in combination with a second crosslinking reaction between hydroxy groups on the RMA crosslinkable components with polyisocyanates or siloxanes; or b) RMA crosslinking in combination with a second crosslinking reaction with polyamines, with crosslinkable components comprising component B and/or with epoxy groups on the RMA crosslinkable components; or c) RMA crosslinking in combination with a second crosslinking reaction based on auto-oxidative drying of unsaturated groups on the RMA crosslinkable components; or d) RMA crosslinking in combination with a second radical crosslinking reaction of reactive components B on the RMA crosslinkable components; or f) combinations thereof.

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

The present invention relates to a crosslinkable composition comprising at least one crosslinkable component and a latent base crosslinking catalyst, which crosslinkable composition has a solids content of typically at least 55 wt (dry weight after crosslinking relative to the total weight of the crosslinking composition) wherein the latent base catalyst is a substituted carbonate salt according to formula 1 wherein Xrepresents a non acidic cation, preferably a quaternary ammonium or phosphonium, and wherein R is hydrogen, alkyl, aryl or aralkyl group.

Crosslinkable composition crosslinkable with a latent base catalyst

The present invention relates to a crosslinkable polymer composition 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) to achieve crosslinking by Real Michael Addition (RMA), wherein the component A is a malonate containing component and wherein components A and B react on drying of the crosslinkable polymer composition by deblocking of latent base catalyst C by evaporation of carbon dioxide, which latent base crosslinking catalyst, is a substituted carbonate salt according to formula 1 wherein Xrepresents a non acidic cation and wherein R is hydrogen, alkyl, aryl or aralkyl group.

The present invention relates to a crosslinkable composition comprising at least one crosslinkable component crosslinkable by a latent base crosslinking catalyst comprising a substituted carbonate salt according to formula 1 wherein Xrepresents a cation and wherein R is hydrogen, alkyl, aryl or aralkyl group, and wherein the crosslinkable composition comprises 0.1-10 wt %, preferably 0.1-5, more preferably 0.2-3 and most preferably 0.5-1.5 wt % water (relative to total weight of the crosslinkable composition). The invention further relates to a coating composition comprising the crosslinkable composition according to the invention, a novel catalyst composition and to the use of said catalyst composition according to the invention as a latent base crosslinking catalyst in coating compositions, preferably in RMA crosslinkable compositions. 

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LaGrange, KY, United States of America

Michael Anthony Gessner