Hollow polymer particles, method for preparing hollow polymer particles, porous ceramic filter, and method for preparing porous ceramic filter
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United States of America Patent
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Jan 15, 2008
Grant Date -
May 13, 2004
app pub date -
Mar 12, 2002
filing date -
Mar 14, 2001
priority date (Note) -
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Abstract
Hollow polymer particles are provided to have an average particle diameter of 15 .mu.m or more and 500 .mu.m or less and a 10%-compressive strength of 1.5 MPa or more, and the hollow polymer particle includes a hollow portion in the interior. In addition, a porous ceramic filter is provided by firing a shaped material composed of a mixture in which the above-described hollow polymer particles are mixed to disperse in a ceramic composition.
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