Modification of silica surfaces with phosphonic acids for use as fillers.

P. Hubert Mutin; Dominique Labarre; Stéphanie Lassiaz; Anne Galarneau; Daniel Brunel

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Modification of silica surfaces with phosphonic acids for use as fillers.

P. Hubert Mutin, Dominique Labarre, Stéphanie Lassiaz, Anne Galarneau and Daniel Brunel

13/04/2007

Abstract

silica hydrophobation

alumina deposit

alkyl-phosphonic acids

Silica surfaces are hydrophobized for use as fillers in silicones by treatment with a salt of metals having cations of at least divalent oxidn. state such as Al3+ in water and then treatment with RPO(OH)2 (R = hydrophobic chain) in the aq. medium.

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Title: Modification of silica surfaces with phosphonic acids for use as fillers.
Creators - without role: P. Hubert Mutin - Université de Montpellier, Institut Charles Gerhardt Montpellier - ICGM
Dominique Labarre - Rhodia
Stéphanie Lassiaz - Université de Montpellier, Institut Charles Gerhardt Montpellier - ICGM
Anne Galarneau - Université de Montpellier, Institut Charles Gerhardt Montpellier - ICGM
Daniel Brunel - Université de Montpellier, Institut Charles Gerhardt Montpellier - ICGM
Publisher: France
Identifiers: 9943835109311
Academic Unit: Institut Charles Gerhardt Montpellier - ICGM
Language: French
Resource Type: Patent
Patent: FR 2891836
Local Fields: hal-00186531