Polymer with salt groups and antifouling coating composition comprising said polymer
US9045650B2 · kind B2 · utility
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Key dates
| Filing date | Aug 10, 2009 |
| Grant date | Jun 2, 2015 |
| Priority date | — |
| Expiry date | Apr 21, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D5/1687
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A film-forming polymer with improved chemical stability in antifouling coating applications, said polymer bearing pendant to its backbone a salt of (i) a basic group with a first pKa of the conjugate acid of at least 4.0 and (ii) an organic acid with a first pKa of 2.0 or less; said basic group being covalently bonded to the polymer backbone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.