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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.:

US 11965092 B1

PDFFull Text
Date of Patent:
Apr. 23, 2024

Filed:

Aug. 21, 2019

Polyurethane composition, preparation method and application thereof

Applicant:

Covestro Intellectual Property Gmbh & Co. KG, Leverkusen, DE;

Inventors:

Ying Dan Zhu, Shanghai, CN;

Chen Jin, Guangdong, CN;

Evgeny Avtomonov, Leverkusen, DE;

Assignee:

Covestro Intellectual Property GmbH & Co. KG, Leverkusen, DE;

Attorney:

The Webb Law Firm

Primary Examiner:

Michael M Dollinger

Int. Cl.
CPC ...
C08L 75/04 (2006.01); C08G 18/10 (2006.01); C08G 18/48 (2006.01); C08G 18/62 (2006.01); C09D 7/20 (2018.01); C09D 7/48 (2018.01); C09D 175/04 (2006.01); C09J 5/06 (2006.01); C09J 11/06 (2006.01); C08K 3/32 (2006.01); C08K 5/00 (2006.01); C08K 5/13 (2006.01); C08K 5/17 (2006.01);
U.S. Cl.
CPC ...
C08L 75/04 (2013.01); C08G 18/10 (2013.01); C08G 18/4825 (2013.01); C08G 18/6204 (2013.01); C09D 7/20 (2018.01); C09D 7/48 (2018.01); C09D 175/04 (2013.01); C09J 5/06 (2013.01); C09J 11/06 (2013.01); C08G 2150/00 (2013.01); C08G 2170/80 (2013.01); C08K 3/32 (2013.01); C08K 2003/321 (2013.01); C08K 5/005 (2013.01); C08K 5/13 (2013.01); C08K 5/175 (2013.01); C08L 2201/54 (2013.01);
Abstract

The present invention relates to a composition, preparation and use thereof, and a product coated with the composition. The composition comprises: (a) a polyurethane polymer which is a reaction product comprising the following components: (a1) a polyisocyanate, (a2) a compound having an isocyanate-reactive group, which comprises a polymer polyol selected from one or more of the following: a polyether polyol and a polyolefin polyol, (a3) optionally an emulsifier, (a4) optionally a solvent, and (a5) optionally a reactive diluent; (b) an organic antioxidant in an amount of 0.01 wt % to 2.4 wt %, based on the total weight of solid components of the composition; (c) a chelating agent; and (d) water. The composition according to the present invention has good high-temperature yellowing resistance.

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