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:
Aug. 16, 2022
Filed:
Jul. 21, 2020
Allnex Netherlands B.v., Bergen Op Zoom, NL;
Elwin Aloysius Cornelius Adrianus De Wolf, Hoogerheide, NL;
Ferry Ludovicus Thys, Stevens-Woluwe, NL;
Richard Hendrikus Gerrit Brinkhuis, Zwolle, NL;
Nicole Mangnus-Verhagen, Vogelwaarde, NL;
Antonius Johannes Wilhelmus Buser, Wehl, NL;
Allnex Netherlands B.V., Bergen op Zoom, NL;
Abstract
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—H in activated methylene or methine groups and the at least 2 reactive groups of component B are activated unsaturated groups C═C and base catalyst C and one or more N—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° 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.