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US 12,679,994 B2Granted
Paint composition for vehicle intermediate coating with improved chipping resistance
AssigneesHyundai Motor Company, Kia Corporation
InventorHwan Oh Kim
Life of this patent
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Abstract
A paint composition for vehicle intermediate coating including a polyester resin, a melamine resin, a color pigment, an extender pigment, cellulose nanofibers (CNFs), a dispersant, a surface conditioner, an antisagging agent, and a solvent. The extender pigment may include calcium carbonate (CaCO3). The paint composition can impart improved chipping resistance to a paint film.
Claims10
A paint composition comprising:
- a polyester resin;
- a melamine resin;
- a color pigment;
- an extender pigment;
- 3 wt % to 4 wt % of cellulose nanofibers (CNFs), based on a total weight of the paint composition;
- 0.5 wt % to 1 wt % of a dispersant, based on the total weight of the paint composition;
- a surface conditioner;
- an antisagging agent;
- and
- a solvent.
7 more elements
Dependencies are inferred from the claim text.