US 11,884,840 B2
Adhesion promoting compositions and method of improving fuel resistance of a coated article
Shiryn Tyebjee, Tarentum, PA (US); Hongying Zhou, Allison Park, PA (US); Christopher A. Verardi, Pittsburgh, PA (US); Richard J. Sadvary, Tarentum, PA (US); Caroline S. Harris, Pittsburgh, PA (US); and Howard L. Senkfor, South Euclid, OH (US)
Assigned to PPG Industries Ohio, Inc., Cleveland, OH (US)
Appl. No. 17/432,086
Filed by PPG INDUSTRIES OHIO, INC., Cleveland, OH (US)
PCT Filed Jan. 21, 2020, PCT No. PCT/US2020/014368
§ 371(c)(1), (2) Date Aug. 18, 2021,
PCT Pub. No. WO2020/171903, PCT Pub. Date Aug. 27, 2020.
Application 17/432,086 is a continuation of application No. 16/278,770, filed on Feb. 19, 2019, abandoned.
Prior Publication US 2022/0154007 A1, May 19, 2022
Int. Cl. C09D 5/00 (2006.01); C09D 123/30 (2006.01); C08J 7/04 (2020.01)
CPC C09D 5/002 (2013.01) [C08J 7/042 (2013.01); C09D 123/30 (2013.01); C08J 2323/02 (2013.01); C08J 2423/30 (2013.01); C08J 2445/00 (2013.01); C08J 2467/08 (2013.01)] 19 Claims
 
1. A film-forming composition comprising:
A) a non-chlorinated, linear polyolefin polymer comprising 0.5 to 10 percent by weight residues of an ethylenically unsaturated anhydride or acid, based on the total weight of the linear polyolefin polymer;
B) an aminoplast; and
C) a component comprising:
i) at least one non-chlorinated hydrocarbon having at least 18 carbon atoms and which optionally includes aromatic groups and/or oxygen heteroatoms, having a number average molecular weight of 200 to 2500; and/or
ii) an alkyd resin that is different from the component C) i); wherein 1) the linear polyolefin polymer A) is dispersed with a polyepoxide and a monohydric alcohol in an organic medium, and/or 2) the linear polyolefin polymer A) is further reacted with a) a polyepoxide and a monohydric alcohol, or b) an epoxy functional alkoxysilane.