In situ prepared polyamide 6/DOPO-derivative nanocomposite for melt-spinning of flame retardant textile filaments
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Graphical abstract
A new scalable approach is established to produce the first-ever polyamide 6/DOPO-derivative nanocomposite filament yarns and knitted fabrics with superior flame retardancy and self-extinguishing properties. The in situ approach for the incorporation of the organophosphorus additive of specific chemical structure in the PA6 matrix guarantees its uniform distribution and nanodispersion as well as the successful melt-spinning of textile filaments with highly effective flame retardancy, whilst maintaining the use of a DOPO-derivative at the minimum level.
Keywords
Polyamide 6
DOPO derivative
Flame retardant
In situ polymerization
Melt-spinning
Nanocomposite filament yarns
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© 2019 The Authors. Published by Elsevier Ltd.