High-whiteness, non-heat-treated hydrophobic precipitated...

Details High-whiteness, non-heat-treated hydrophobic precipitated... High-whiteness, non-heat-treated hydrophobic precipitated...

2005-05-31

2005-05-31

Moore, Margaret G. (Department: 1712)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

C427S220000, C523S212000, C516S117000, C516S120000, C106S490000, C423S335000, C423S338000, C524S492000, C524S493000

Reexamination Certificate

active

06899951

ABSTRACT:
The present invention provides a hydrophobic precipitated silica having the following properties:carbon content1.0-8.0%methanol wettability 20-55%reflectance>94%BET/CTAB ratio ≦1DBP absorption<250 g/100 gBET surface area 50-110 m2/gCTAB surface area100-150 m2/gSears number<13.The present invention also provides methods for making and using the hydrophobic precipitated silica and articles and compositions which include the same.

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Chemical Abstracts, vol. 114, No. 14, XP-000121954, p. 58, Apr, 8, 1991.

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