Method for preparing spherular silica gel particles
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United States of America Patent
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Dec 31, 1996
Issued Date -
N/A
app pub date -
Mar 4, 1992
filing date -
Feb 20, 1989
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Abstract
In the present invention, minute spherular silica gel particles suitable as polymer catalyst carriers can easily be obtained without using organic substances simply by controlling the moisture content in a slurry of silica hydrogel particles and water. The obtained spherular silica gel particles have physical properties, such as specific surface area, average pore diameter, and pore volume, that may be easily controlled. The spherular silica gel particles also have sufficient particle strength.
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