Precipitated calcium carbonate-cationic starch binder as retention aid system for papermaking
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United States of America Patent
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Jan 9, 1990
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N/A
app pub date -
Jun 3, 1988
filing date -
Jun 3, 1988
priority date (Note) -
Expired
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Abstract
A two component binder system comprising a highly dispersible, high specific surface area precipitated calcium carbonate (colloidal PCC) and a cationic starch, especially a cationic potato starch, for improving filler retention, opacity and strength during papermaking.
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