Thixotropic additive, process for preparing same and use thereof
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United States of America Patent
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Jun 9, 1992
Issued Date -
N/A
app pub date -
Jul 5, 1991
filing date -
Mar 13, 1987
priority date (Note) -
Expired
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Abstract
Disclosed are micronized synthetic calcium silicates in the form of fluffy particles of needle-like calcium silicate crystals having a particle size of about 0.5 to 50 microns and an average particle size d.sub.50 of from 5 to 25 microns, and preferably of from 7 to 15 microns, obtainable from micronized, approximately spherical synthetic calcium silicate hydrate aggregates having a diameter of from 10 to 150 microns. They are preferably used in filled and unfilled liquid resin systems.
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