Chitosan films with reduced shrinkage and laminates made therefrom
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United States of America Patent
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Mar 26, 2013
Grant Date -
Oct 28, 2010
app pub date -
Apr 24, 2009
filing date -
Nov 7, 2005
priority date (Note) -
Expired
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Abstract
Inclusion of a needle structured sepiolite clay in a chitosan film in an amount of about 0.5 weight percent to about 8 weight percent was found to reduce shrinkage of the film. The clay is processed into a substantially dispersed form. Laminates fabricated from this chitosan film including dispersed sepiolite clay can be used in making a variety of finished articles that can be used to provide protection from hazardous chemical and biological agents.
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