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has been cited by the following article:

• TITLE: Preparation and Swelling Behavior of L-Lactide Interpenetrating Networks

  AUTHORS: Zainab J. Sweah, Hadi S. Al-Lami, Athir M. Haddad

  KEYWORDS: Lactide Copolymers, Ring-Opening Polymerization, Interpenetrating Polymer Networks (IPN’s), Swelling Ratio

  JOURNAL NAME: Open Journal of Organic Polymer Materials, Vol.6 No.4, October 31, 2016

  ABSTRACT: Novel triblock copolymers of poly (L-lactide)-poly (ethylene glycol)-sebacate-poly (ethylene glycol)-poly (L-lactide) were synthesized by Ring-Opening Polymerization of different ratios of L-lactide with other three pre-prepared poly (ethylene glycol)-sebacate-poly (ethylene glycol) polymers, coded A, B and C which had different poly (ethyleneglycol) chain lengths. The copolymers were characterized by FTIR and 1H NMR spectroscopy, which indicated that the reaction of ROP took place and led to producing nine triblock copolymers having new different lactide chain lengths (n = 10, 25 and 50), AL10, AL25, AL50,BL10, BL25, BL50, CL10, CL25, and CL50. Nine polymer networks were also prepared from copolymers with sodium alginate S1 - S9 and finally mixed with a solution of hydroxyl ethyl cellulose to form SH1 - SH9.