Crosslinked aramid polymer
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United States of America Patent
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Feb 5, 2013
Grant Date -
Feb 10, 2011
app pub date -
Apr 22, 2009
filing date -
Apr 25, 2008
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Abstract
A crosslinked aramid polymer comprising a first aramid backbone which is crosslinked through a poly(meth)acrylic acid with a second aramid backbone. The crosslinked aramid polymer is obtained by polymerizing a monomeric aromatic diamine with a monomeric aromatic diacid, or halide or ester thereof in the presence of poly(meth)acrylic acid, followed by a curing step. The crosslinked aramid polymer is crosslinked through its amide bonds and can be made to a fiber, film or fibrid.
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