Composition, preparation method and application thereof

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United States of America

PATENT NO 11965108
SERIAL NO

17268690

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Abstract

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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 polyester polyol in an amount of more than 10 wt %, based on the total weight of the compound having an isocyanate-reactive group, (a3) optionally an emulsifier, (a4) optionally a solvent, and (a5) optionally a reactive diluent; (b) an organic antioxidant in an amount of 0.001 wt % to 1 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 yellowing resistance.

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Patent Owner(s)

  • COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Avtomonov, Evgeny Leverkusen, DE 16 12
Jin, Chen Guangdong, CN 12 0
Zhu, Ying Dan Shanghai, CN 2 0

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