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. 10, 1995
Filed:
Jan. 27, 1993
Robert G Lees, Stamford, CT (US);
Charles A Zezza, Mahwah, NJ (US);
Cytec Technology Corp., Wilmington, DE (US);
Abstract
Novel curable compositions based on carboxy/epoxy chemistry and cured coatings produced thereby are provided. The curable compositions employ 1,3,5-tris-(2-carboxyethyl)isocyanurate as the polybasic carboxylic acid crosslinker. The crosslinker is combined with a polyepoxide such as those obtained by copolymerizing glycidyl methacrylate with one or more epoxy-free olefinically-unsaturated monomers. The polyepoxide typically has a molecular weight of about 1,000 to about 30,000, an epoxy equivalent weight of about 50 to about 5,000, and a glass transition temperature of about 10.degree. C. to about 120.degree. C. A cure catalyst such as triphenyl phosphine is also used. Heat curing the compositions of the invention produces hard films useful as chip-, scratch- and mar- resistant coatings for automotive applications and as general use coatings for industrial applications.