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.

Date of Patent:
Mar. 19, 2019

Filed:

May. 21, 2015
Applicant:

Akzo Nobel Coatings International B.v., Arnhem, NL;

Inventors:

Dirk Seeger, Oldenburg, DE;

Christoph Piecha, Stadland, DE;

Nadine Homann, Oldenburg, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 175/06 (2006.01); C08G 18/42 (2006.01); C08G 18/44 (2006.01); C08G 18/78 (2006.01); B05D 7/00 (2006.01); B05D 7/02 (2006.01); B05D 7/14 (2006.01); B05D 1/36 (2006.01); B05D 3/00 (2006.01); C08G 18/00 (2006.01); C09D 175/04 (2006.01); C08K 3/04 (2006.01); C08K 3/22 (2006.01); C08K 3/32 (2006.01); C08K 3/34 (2006.01); C08K 3/36 (2006.01); C08K 9/06 (2006.01);
U.S. Cl.
CPC ...
C09D 175/06 (2013.01); B05D 1/36 (2013.01); B05D 3/007 (2013.01); B05D 7/02 (2013.01); B05D 7/14 (2013.01); B05D 7/54 (2013.01); B05D 7/572 (2013.01); C08G 18/003 (2013.01); C08G 18/42 (2013.01); C08G 18/44 (2013.01); C08G 18/7831 (2013.01); C09D 175/04 (2013.01); C08G 2150/90 (2013.01); C08K 3/04 (2013.01); C08K 3/22 (2013.01); C08K 3/32 (2013.01); C08K 3/346 (2013.01); C08K 3/36 (2013.01); C08K 9/06 (2013.01); C08K 2003/2241 (2013.01); C08K 2003/2268 (2013.01); C08K 2003/328 (2013.01);
Abstract

The invention relates to a coating material composition comprising at least one hydroxyl-containing polyester (A) having an OH number of 250 to 660 mg KOH/g, at least one polycarbonate diol (B) having an OH number of 35 to 500 mg KOH/g, in an amount of 1 to 20 wt %, based on the overall formula, and at least one polyisocyanate (C) containing biuret groups and having an isocyanate group content of 5.8 to 27 wt %, the hydroxyl-containing polyester (A) being different from the polycarbonate diol (B), and the coating material composition possessing a fraction of organic solvents of less than 420 g/l, and comprising, based on the solids content, 40 to 100 wt % of binders. The invention further relates to a method for producing a multicoat coating using a coating material composition of the invention, to the use of the coating material composition, and to substrates coated therewith.


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