2006•Gaofenzi cailiao kexue yu gongchengRequires access
GRAFT COPOLYMERIZATION OF METHYL ACRYLATE ONTO NYLON-6 INITIATED BY POTASSIUM DITELLURATOCUPRATE(III)
Yinghai Liu
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Abstract
The graft copolymerization of methyl acrylate onto nylon 6 using potassium ditelluratocuprate(Ⅲ)-nylon 6 redox system as initiator has been studied in alkaline medium.The effect of different factors on grafting parameters is investigated.The structure of the nylon 6 and graft copolymer have been determined by infrared(IR),x-ray diffraction,scanning electron microscopy(SEM).It is found that Cu(Ⅲ)-nylon 6 system is an efficient redox initiator for this graft copolymerization.A single electron transfer mechanism is proposed to explain the formation of radicals and the initiation.The SEM photographs show that the graft copolymer greatly improves the compatibility of the PA6/PMMA and PA6/PP blends.