Inorganic fillers modified with vinyl alcohol polymer and cationic melamine-formaldehyde resin
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United States of America Patent
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Jan 22, 1985
Grant Date -
N/A
app pub date -
Jul 14, 1983
filing date -
Jul 14, 1983
priority date (Note) -
Expired
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Abstract
Modified fillers prepared by contacting inert, particulate, mineral fillers with aqueous solution of vinyl alcohol polymer and aqueous colloidal dispersion of cationic melamine-formaldehyde resin to obtain a filler having adsorbed thereon from about 0.1 to about 3 percent, based on dry filler weight, of each of vinyl alcohol polymer and cationic melamine-formaldehyde resin are provided. Such modified fillers are useful in papermaking.
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