Protein adhesive binder and process for forming a protein adhesive binder
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United States of America Patent
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Jun 16, 1998
Grant Date -
N/A
app pub date -
Oct 25, 1996
filing date -
Oct 25, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A paper coating composition comprising a paper coating pigment and a protein adhesive. The protein adhesive contains a protein material and a dispersing agent, in an amount effective to adjust the pH of an aqueous solution containing the paper coating composition sufficiently to substantially solubilize the protein material, comprising a basic reagent containing a divalent cation and a cation binding agent. The cation binding agent is present in an amount effective to inhibit divalent cation induced gel formation and pigment flocculation.
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