The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 16, 2016
Filed:
Apr. 07, 2014
Nuplex Resins B.v., Bergen Op Zoom, NL;
Richard Hendrikus Gerrit Brinkhuis, Zwolle, NL;
Antonius Johannes Wilhelmus Buser, Wehl, NL;
Petrus Johannes Maria David Elfrink, Boxmeer, NL;
Ferry Ludovicus Thys, Stevens-Woluwe, BE;
Elwin Aloysius Cornelius Adrianus De Wolf, Hoogerheide, NL;
Nuplex Resins B.V., Bergen op Zoom, NL;
Abstract
An RMA crosslinkable composition for making thick coating layers having at least one crosslinkable component comprising reactive components A and B each including at least 2 reactive groups wherein the at least 2 reactive groups of component A are acidic protons (C—H) in activated methylene or methine groups, and the at least 2 reactive groups of component B are activated unsaturated groups (C═C), to achieve crosslinking by Real Michael Addition reaction, the composition further including a base catalyst (C), an X—H group containing component (D) that is also a Michael addition donor reactable with component B under the action of catalyst C, wherein X is C, N, P, O or S and a sag control component (E). A crosslinkable composition is also disclosed for preparing thick coating layers having a dry thickness of at least 70 mu having a surface appearance and hardness of the resulting cured composition.