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Features of Graft Copolymer Formation Through Reaction of Functionalized Polyolefins With Poly-ε-Caprolactam

By Giocomo Ruggeri, Mauro Aglietto, Francesco Picchioni, Elisa Passaglia and Francesco Ciardelli


The reaction in the melt of polyolefins containing 2-diethylsuccinate groups (DES) with poly-ε-caprolactam (PA6) to give a graft copolymer was investigated under different conditions. Even using a large excess of DES groups over the PA6 terminal amino groups the graft copolymer yield resulted only partial thus suggesting a kinetic control of the reaction. The effect of various catalysts was then examined taking into account results obtained in a model reaction between a low molecular weight amine and diethylsuccinate. The results are discussed in terms of side reactions and miscibility of the pristine polymers.

Year: 1997
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