Method of making an adhesive
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United States of America Patent
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Issued Date -
Mar 5, 2009
app pub date -
Jan 25, 2008
filing date -
Sep 5, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of making an adhesive is disclosed. The method includes steps of providing a polyvinyl alcohol (PVA) solution in water or a hydrophilic solvent and adding a metal-containing oxidant (such as potassium permanganate) to the PVA solution and allowing the metal-containing oxidant to react under stirring. The metal ion produced in the reaction may bond to the resulting 1,3-diketone structure of the PVA molecular chain to crosslink the PVA molecular chains without adding a crosslinking agent additionally.
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