Modification process for polymer surfaces, notably for hydroxylation of polymer surfaces and products so obtained
US7956099B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Oct 10, 2006 |
| Grant date | Jun 7, 2011 |
| Priority date | — |
| Expiry date | Oct 10, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J7/12
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Described is the use of RO• radicals, R being a hydrogen, an alkyl group having 2 to 15 carbons, an acyl group —COR′ in which R′ represents an alkyl group having 2 to 15 carbons, or an aroyl group —COAr in which Ar represents an aromatic group having 6 to 15 carbons, for the hydroxylation, alkoxylation or oxycarbonylation of polymer or polymer mixture surfaces, the said polymers consisting in monomeric units of which at least 50% among these are aromatic units and the said RO• radicals being generated by electrochemical or photochemical methods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.