Fibrous basic magnesium sulfate powder and method for producing same
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United States of America Patent
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Jul 22, 2014
Grant Date -
Feb 13, 2014
app pub date -
Mar 2, 2012
filing date -
Mar 2, 2011
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Abstract
A fibrous basic magnesium sulfate powder which does not contain CO2 in an amount of more than 0.15% by mass, or a fibrous basic magnesium sulfate powder which has a ratio of the infrared absorption within the wave number range of 1,400-1,440 cm−1 relative to the infrared absorption within the wave number range of 3,180-3,530 cm−1 of 0.005 or less. The fibrous basic magnesium sulfate powders exhibit improved physical property-improving effect when dispersed in a resin material.
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