Method for preparing porous glass |
Title： |
| Method for preparing porous glass |
|
Application Number： |
200610114037 |
Application Date： |
2006/10/25 |
Announcement Date： |
2007/04/11 |
Pub. Date： |
|
Publication Number： |
1944306 |
Announcement Number： |
|
Grant Date： |
|
Granted Pub. Date： |
|
ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
C03C 11/00, B01J 20/10, B01J 20/282 |
Applicant(s)： |
Tsinghua Univ. |
Inventor(s)： |
Sun Yiwen, Luo Guanghseng, Wang Yujun, Yang Liming |
Key Words： |
porous glass, preparing method |
Abstract： |
The present invention discloses method of preparing porous glass. At temperature of 150deg.C-350 deg.C and the pressure between the saturated water vapor pressure and 20 MPa, silicate glass and water react for 0.5-3 hr to obtain porous glass. Thus obtained porous glass is in core-shell structure covered with micron level flake array structure and with core of compact glass material and shell of medium pore structure in homogeneous pore distribution. The porous glass has high mechanical strength, great specific surface area, high heat stability and high hydrothermal stability, and may be used as efficient liquid phase chromatographic filler and excellent catalyst carrier. The preparing method has simple process, less environmental pollution and other advantages. |
Claim： |
|
Priority： |
|
PCT： |
|
LegalStatus： |
|
Relevancy information
