Method for chemical surface modification of fumed silica particles
Patent
·
OSTI ID:350306
Dehydroxylated, silica-containing, glass surfaces are known to be at least partially terminated by strained siloxane rings. According to the invention, a surface of this kind is exposed to a selected silane compound or mixture of silane compounds under reaction-promoting conditions. The ensuing reaction results in opening of the strained siloxane rings, and termination of surface atoms by chemical species, such as organic or organosilicon species, having desirable properties. These species can be chosen to provide qualities such as hydrophobicity, or improved coupling to a polymeric coating. 11 figs.
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- Assignee:
- Lucent Technologies Inc., Murray Hill, NJ (United States)
- Patent Number(s):
- US 5,902,636/A/
- Application Number:
- PAN: 8-953,263
- OSTI ID:
- 350306
- Resource Relation:
- Other Information: PBD: 11 May 1999
- Country of Publication:
- United States
- Language:
- English
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