Thermosetting coating composition with improved scratch resistance
US12421417B2 · kind B2 · utility
0Cited by
9References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2021 |
| Grant date | Sep 23, 2025 |
| Priority date | — |
| Expiry date | Mar 9, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D175/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to aliphatic, carbamate-functional polyester resins for use in coatings. More particularly this invention relates to aliphatic, carbamate-functional polyester resins containing 2,2,4,4-tetramethyl-1,3-cyclobutanediol (TMCD) that exhibit improved scratch resistance and acid etch resistance when formulated into 2K automotive clearcoats. These carbamate-functional polyesters can be used as the sole resin in the clearcoat binder or in combination with other carbamate-functional acrylic resins and/or hydroxyl-functional acrylic and polyester resins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.