Invention Application
US20090217841A1 ALUMINUM PHOSPHATE OR POLYPHOSPHATE COMPOSITIONS 有权
磷酸氢铝或多磷酸盐组合物

ALUMINUM PHOSPHATE OR POLYPHOSPHATE COMPOSITIONS
Abstract:
Slurry composition comprising amorphous aluminum phosphate, polyphosphate orthophosphate, metaphosphate and/or combination thereof and a dispersant are described. In certain embodiments, the polyphosphate orthophosphate and/or metaphosphate concentration is about 40 to about 70 weight % and the dispersant concentration is less than about 3.5 weight % based on the total weight of the slurry. In one embodiment, the composition is useful in paints, varnishes, printing inks, papers and plastics. The compositions can be used as a substitute for titanium dioxide in various applications.
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