Inorganic dispersant, stabilizer for suspension polymerization and polymer particles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 19, 2002
Grant Date -
N/A
app pub date -
Oct 4, 2000
filing date -
Mar 24, 1998
priority date (Note) -
Expired
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Abstract
Disclosed is an inorganic dispersant having a high specific surface area and a high surface activity which comprises a calcium phosphate type compound having a specific particle composition, particle shape, particle size and dispersibility, and specific surface area. When used as a suspension polymerization stabilizer, it provides polymer particles having a uniform and sharp particle size distribution, and when the polymer particles are contained in an unsaturated polyester resin composition and a toner composition, the obtained compositions have excellent quality.
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