Non-aqueous crosslinkable composition with improved appearance
US12365757B2 · kind B2 · utility
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6References
16Claims
0Family size
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Key dates
| Filing date | Nov 5, 2019 |
| Grant date | Jul 22, 2025 |
| Priority date | — |
| Expiry date | Dec 17, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D175/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a polyol component comprising a1) a polyol having a weight averaged molecular weight Mw of from 1,000 to 4,000 Dalton, a number averaged molecular weight Mn of from 600 to 2,500 Dalton, an OH value between 80 and 300 mg KOH/g of resin and a glass transition temperature Tg of from −10 to 90° C., and a2) between 0.1 and 10% by weight of polyurea product as rheological agent, as well as it use in a crosslinkable composition especially suitable for clear coat applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.