Method of preparing exfoliated vermiculite for the manufacture of a finished product
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United States of America Patent
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Jan 8, 2002
Grant Date -
N/A
app pub date -
Dec 10, 1999
filing date -
Jun 12, 1997
priority date (Note) -
Expired
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Abstract
A method of manufacturing a finished product from exfoliated vermiculite particles includes the steps of impregnating the exfoliated vermiculite particles with an impregnating composition consisting of a mineral oil and a liquid thermosetting resin, optionally with a catalyst therefor. Thereafter, the exfoliated vermiculite particles are compressed with heating to allow the mineral oil to infuse the exfoliated vermiculite particles and polymerize the thermosetting resin to form the finished product.
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