Grafting of glycidyl methacrylate onto polycaprolactone: preparation and characterization

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Polycaprolactone-graft-glycidyl methacrylate (PCL-g-GMA) copolymer was prepared by grafting GMA onto PCL in a batch mixer using benzoyl peroxide as an initiator. The graft content was determined with the H-1-NMR spectroscopy by calculating the relative area of the characteristic peaks of PCL and GMA. The graft content increased with the increase of GMA concentration. The methine proton peak appearing at 3.65 ppm in H-1-NMR spectra could be assigned as a grafting site of GMA by the correlation spectra (H,H-COSY). Molecular weight determination was also carried out for the pure and grafted polymers using gel permeation chromatography to determine chain scission reaction. The detailed grafting reaction mechanism was discussed based on the results of GPC and NMR measurements. (C) 2001 Published by Elsevier Science Ltd.
Publisher
ELSEVIER SCI LTD
Issue Date
2001-06
Language
English
Article Type
Article
Keywords

SYNTHETIC-POLYMERS; ANHYDRIDE GROUPS; STARCH; BLENDS; COPOLYMER

Citation

POLYMER, v.42, no.12, pp.5135 - 5142

ISSN
0032-3861
URI
http://hdl.handle.net/10203/79875
Appears in Collection
CBE-Journal Papers(저널논문)
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