Inorganic matrix composite reinforced by ionically crosslinked polymer
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United States of America Patent
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Sep 5, 2006
Grant Date -
Feb 23, 2006
app pub date -
Sep 27, 2004
filing date -
Aug 20, 2004
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Abstract
An in situ ionic interaction between two additives, one a cationic strength enhancing additive and one an anionic crosslinking additive, is used to improve the mechanical properties of an article formed from a composite material. The composite has a discrete phase bound together with a film of the additives, such as gypsum crystals bound together by a film of substituted starch or cellulose ether.
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