JPS5614414A - Powdered liquid-holding silica - Google Patents
Powdered liquid-holding silicaInfo
- Publication number
- JPS5614414A JPS5614414A JP8808379A JP8808379A JPS5614414A JP S5614414 A JPS5614414 A JP S5614414A JP 8808379 A JP8808379 A JP 8808379A JP 8808379 A JP8808379 A JP 8808379A JP S5614414 A JPS5614414 A JP S5614414A
- Authority
- JP
- Japan
- Prior art keywords
- org
- powdered
- silica
- halide compound
- liq
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Silicon Compounds (AREA)
Abstract
PURPOSE: To provide powdered liq.-holding silica having an org. Si halide compound in the bonded form and maintaining the powdered state even after containing a soln. in large quantities.
CONSTITUTION: An org. Si halide compound such as trimethylmonochlorosilane and silicic acid hydrate are reacted at a temp. at which the condensation of the surface silanol group does not occur, e.g. at 300W400°C. They may be reacted in the presence of an org. solvent such as alcohol miscible with water. Thus, powdered liq.-holding silica having the org. Si halide compound in the bonded form is obtd. This silica shows ≥125°, preferably ≥about 140° contact angle to water, has ≤15μ, especially ≤5μ average particle size, and holds ≥1cc/g soln. Accordingly, mineral acid or the like attended with danger in transportation can be carried in the state of powder.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8808379A JPS5614414A (en) | 1979-07-13 | 1979-07-13 | Powdered liquid-holding silica |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8808379A JPS5614414A (en) | 1979-07-13 | 1979-07-13 | Powdered liquid-holding silica |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5614414A true JPS5614414A (en) | 1981-02-12 |
Family
ID=13932965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8808379A Pending JPS5614414A (en) | 1979-07-13 | 1979-07-13 | Powdered liquid-holding silica |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5614414A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5458916A (en) * | 1992-07-02 | 1995-10-17 | Wacker-Chemie Gmbh | Hydrophobicization of pyrogenic silica |
-
1979
- 1979-07-13 JP JP8808379A patent/JPS5614414A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5458916A (en) * | 1992-07-02 | 1995-10-17 | Wacker-Chemie Gmbh | Hydrophobicization of pyrogenic silica |
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