In-situ preparation of polyamide-6/polypropylene glycol copolymers with mineral fillers
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2014-01-01
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Abstract
Polyamide-6 /Polypropylene glycol (PPG) copolymers were synthesized via anionic polymerization of e-caprolactam in the presence of inorganic additives - graphite and boron carbide using isophorone diisocyanate end functionalized PPG prepared in-situ as a macroactivator. Sodium caprolactam was used as an initiator. The influence of the graphite and boron carbide fillers on the degree of conversion was investigated. The copolymers obtained were characterized by 1 H NMR and FTIR spectroscopies. The charpy impact strength of the composites was evaluated.