Crosslinked polyvinyl alcohol-based polymer membrane and a process of its preparation
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United States of America Patent
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Nov 11, 2008
Grant Date -
Oct 6, 2005
app pub date -
Mar 29, 2005
filing date -
Mar 30, 2004
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Abstract
A novel polyvinyl alcohol-based polymer membrane is disclosed. The novel polyvinyl alcohol-based polymer membrane of the present invention comprises two different compounds which are crosslinked by irradiating light such as UV or electronic beams or heat treatment to form a covalent bond between double bonds thereby providing improved properties such as chemical resistance and durability. This invention also relates to a process its preparation.
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