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:
Jan. 19, 2021
Filed:
Jun. 13, 2018
Elementis Specialties, Inc., East Windsor, NJ (US);
Rajni Gupta, Princeton, NJ (US);
Wouter Ijdo, Yardley, PA (US);
Yanhui Chen, Princeton, NJ (US);
Prashant Deshmukh, Plainsboro, NJ (US);
James A. Heck, Robbinsville, NJ (US);
Wayne Hoyte, Parlin, NJ (US);
Maurice Gray, Saint Albans, NY (US);
Elementis Specialties, Inc., East Windsor, NJ (US);
Abstract
A coating composition containing a crosslinkable coating composition. The coating system comprises: ingredient A that has at least two protons that can be activated to form a Michael carbanion donor; ingredient B that functions as a Michael acceptor having at least two ethylenically unsaturated functionalities each activated by an electron-withdrawing group; and a catalyst system. In one embodiment, the catalyst system comprises diethyl carbonate, quaternary ammonium hydroxide or quaternary ammonium alkoxide, ethanol and 4-6 wt. % water. In another embodiment, the catalyst system comprises carbon dioxide, quaternary ammonium hydroxide or quaternary ammonium alkoxide, ethanol and 2-4 wt. % water. In certain embodiments, the coating composition optionally further comprising ammonium carbamate (HNRR+—OC═ONRR), wherein RRare each independently selected from hydrogen, a linear or branched substituted or unsubstituted alkyl group having 1 to 22 carbon atoms; 1 to 8 carbon atoms; 1 to 3 carbon atoms.