Molecular miscible blend solution of aromatic polyamide and non-crystalline polymer, method for preparing the same, aromatic polyamide blend fiber using the same and method for dying the same
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United States of America Patent
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Dec 10, 2013
Grant Date -
Feb 16, 2012
app pub date -
Oct 15, 2009
filing date -
Apr 16, 2009
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Abstract
Disclosed are a molecular miscible blend solution of aromatic polyamide which is composed of a homogeneous mixture of a highly crystalline para-aromatic polyamide polymer and a non-crystalline polymer and is optically anisotropic, a method for preparing the same, an aromatic polyamide blend fiber prepared from the same and a method for dyeing the fiber at room pressure. Disclosed is a molecular miscible blend solution of aromatic polyamide and a non-crystalline polymer, in which an aromatic polyamide polymer having repeat units represented by the following Formula (I) and polyvinylpyrrolidone at an amount of 5 to 100% of the weight of the aromatic polyamide are dissolved in a polar organic solvent containing an inorganic salt.
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