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Preparation of poly(ethylene glycol) grafted poly(3-hydroxyalkanoate) networks

✍ Scribed by Baki Hazer; Robert W. Lenz; Birten Çakmaklı; Mehlika Borcaklı; Halil Koçer

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
81 KB
Volume
200
Category
Article
ISSN
1022-1352

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✦ Synopsis

Poly(3-hydroxyalkanoate)-g-poly(ethylene glycol) crosslinked graft copolymers are described. Poly(3-hydroxyalkanoate)s containing double bonds in the side chain (PHA-DB) were obtained by co-feeding Pseudomonas oleovorans with a mixture of nonanoic acid and anchovy (hamci) oily acid (in weight ratios of 50/50 and 70/30). PHA-DB was thermally grafted with a polyazoester synthesized by the reaction of poly(ethylene glycol) with MW of 400 (PEG-400) and 4,49-azobis(4-cyanopentanoyl chloride). Sol-gel analysis and spectrometric and thermal characterization of the networks are reported.

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