Reactive polyamide resins and polyamide resin compositions
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United States of America Patent
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Mar 31, 2015
Grant Date -
May 16, 2013
app pub date -
May 18, 2012
filing date -
Jun 10, 2011
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Abstract
Provided is a polyamide resin composition comprising an elastomer etc, and a reactive polyamide resin excellent in reactivity. The polyamide resin composition comprises 0.5 to 100 parts by mass of an elastomer per 100 parts by mass of a reactive polyamide resin, wherein the reactive polyamide resin obtained by polycondensing a diamine (A) containing 70 mol % or more of a diamine structural unit derived from xylylenediamine and a dicarboxylic acid (B) containing 50 mol % or more of a dicarboxylic acid structural unit derived from sebacic acid, and has a concentration of reactive functional groups of 100 μeq/g or more and a molar ratio of reacted diamine to reacted dicarboxylic acid (the number of moles of reacted diamine/the number of moles of reacted dicarboxylic acid) of 1.0 or more.
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