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THE SYNTHESIS OF POLYMERIZATION OFε-CAPROLACTONE

Lihua An

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Abstract

The synthesis of biodegradable material-polycaprolactone was studied. The influences of reactive time, reactive temperature and the initiator(ethylene glycol) to the reaction of ring-opening polymerization of caprolactone were discussed. The best reactive conditions(140 ℃, 7 h) were obtained. The molecular weight of polycaprolactone is controlled by the concentration of ethylene glycol as the formula is M= 150.46(V ρ/m) -0.5315. Moreover, the molecular structure of polycaprolactone was characterized by infrared spectroscopy, H-nuclear magnetic resonance spectroscopy and X-ray photoelectron spectroscopy.

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What this paper is about

The synthesis of biodegradable material-polycaprolactone was studied. The influences of reactive time, reactive temperature and the initiator(ethylene glycol) to the reaction of ring-opening polymerization of caprolactone were discussed. The best reactive conditions(140 ℃, 7 h) were obtained. The molecular weight of polycaprolactone is controlled by the concentration of ethylene glycol as the formula is M= 150.46(V ρ/m) -0.5315. Moreover, the molecular structure of polycaprolactone was characterized by infrared spectroscopy, H-nuclear magnetic resonance spectroscopy and X-ray photoelectron spectroscopy.

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Available abstract

The synthesis of biodegradable material-polycaprolactone was studied. The influences of reactive time, reactive temperature and the initiator(ethylene glycol) to the reaction of ring-opening polymerization of caprolactone were discussed. The best reactive conditions(140 ℃, 7 h) were obtained. The molecular weight of polycaprolactone is controlled by the concentration of ethylene glycol as the formula is M= 150.46(V ρ/m) -0.5315. Moreover, the molecular structure of polycaprolactone was characterized by infrared spectroscopy, H-nuclear magnetic resonance spectroscopy and X-ray photoelectron spectroscopy.

Key concepts: Polycaprolactone, Ring-opening polymerization, Caprolactone, Ethylene glycol, Materials science, Polymerization, Polymer chemistry, X-ray photoelectron spectroscopy

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