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FLAME RETARDANT POLYAMIDE 6

[Category : - OTHER]
[Viewed 515 times]

The invention relates to a method for the preparation of a polyamide 6 copolymer, characterised in that a copolymerization reaction is carried out between:? at least one caprolactam of formula (I):? at least one caprolactam, named substituted caprolactam, in which at least one of the carbon atoms is covalently linked to at least one A moiety, said A moiety being selected from the group formed of :? moieties comprising at least one group of formula:???????? O-P=O? moieties comprising at least one group of formula:???????? N-P=N? moieties comprising at least one group of formula:???????? N-P=OThe invention also relates to a polyamide 6, to polyamide 6 filaments and filaments yarns.

Patent publications:

EP 3587471

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mirica (Slovenia)

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