Aliphatic polyimides from unsaturated monoanhydride or unsaturated diacid reacted with both monoamine and diamine
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United States of America Patent
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Apr 14, 2020
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Feb 16, 2017
app pub date -
Apr 23, 2015
filing date -
Apr 25, 2014
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Abstract
Aliphatic polyimides are synthesized by a reaction of 2 moles of an unsaturated monoanhydride or an unsaturated diacid with both one mole of a diamine and one mole of a monoamine. Imidization of intermediates so formed from those reactions resolve to 6 possible bicyclic imidic structures bridged by monoamidic or saturated hydrocarbon spans, more likely the latter. Bio-derived monomers are particularly useful in the synthesis of the aliphatic polyimides.
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