POLYMERS WITH COMPLEX MACROMOLECULAR ARCHITECTURE HAVING FLAME-RETARDANT PROPERTIES
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Dec 22, 2016
app pub date -
Jul 2, 2014
filing date -
Jul 3, 2013
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Abstract
The present invention relates to linear or branched polyamides obtainable by polymerisation of a mixture containing a bifunctional monomer of type AB and/or a monomer mixture of type AA+BB in the presence of: a) one or more molecules, having one or more carboxyl and/or amino functional groups, selected from carboxylic acids or an ester or an anhydride thereof, and/or amines and/or polyhedral oligosilsequioxanes (POSS); and b) one or more phosphorus containing molecules, reactive with only one reactive group during polymerization, containing at least a —POOH group and/or a salt thereof; and c) one or more metal hydroxides and/or metal salts, wherein the metal belongs to groups from 1 to 14 of the Periodic Table; provided that when the phosphorus containing molecules, as defined under b), contain the —POOH groups in salified form with a metal as defined under c), then the presence of the metal hydroxides and/or metal salts, as defined under c) is optional.
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