Process for preparing materials by grafting halogenated phosphorus-containing groups onto an inorganic surface

US8247539B2 · kind B2 · utility

Assignee

• IFP ENERGIES NOUVELLES · FR

Inventors

• Renaud Revel · Vienne, FR
• Florence Brodard-Severac · Mantes-la-Jolie, FR
• Gilles Guerrero · Béziers, FR
• Hubert Mutin · Clapiers, FR
• Alain Forestiere · Vernaison, FR
• Alexandra Chaumonnot · Val-de-Reuil, FR

Key dates

• Filing date: Jul 6, 2007
• Grant date: Aug 21, 2012
• Expiry date: Jul 20, 2028

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J21/063
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention concerns a process for preparing a hybrid organic-inorganic material (HOIM) with phosphorus-containing bridges between the surface of an inorganic substrate containing an element M and one or more organic groups of the covalent M-O-P-R type, said process using, as a precursor for said organic group or groups, at least one organophosphorus acid halide with formula RxP(O)Xy in which x=1 or 2, y=3−x, X being a halogen and R designating at least one organic alkyl, aryl or aryl-alkyl group.Non-exhaustive applications for the hybrid organic-inorganic material obtained by the process of the invention are in the fields of anti-corrosion, lubrication, microelectronics, nanotechnologies, composite materials, heterogeneous catalysis, supported catalysis, depollution and biomedical applications.