发明公开
EP2821426A1 Polymers with complex macromolecular architecture having flame-retardant properties 审中-公开
Polymere mit komplexer makromolekularer Architektur mit flammhemmenden Eigenschaften

Polymers with complex macromolecular architecture having flame-retardant properties
摘要:
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 carboxylic acids, or a derivative thereof such as ester and anhydride, and/or amines and/or polyhedral oligosilsequioxanes compounds (POSS) having one or more carboxyl and/or amino functional groups; and
b) one or more phosphorus containing molecules containing at least a -POOH group and/or a salt thereof; and
c) one or more metal hydroxides and/or metal salts, where 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 group in salified form, then the presence of the metal hydroxides and/or metal salts, as defined under c) is optional.
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