SYNTHESIS AND CHARACTERIZATION OF BIODEGRADABLE RANDOM COPOLYMERS OF L-LACTIDE, GLYCOLIDE AND TRIMETHYLENE CARBONATE

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BAGHERI SH.; MOHAMMADI ROUSHAN DEH J.; HASSAN A.

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Journal Paper

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Journal: Iranian Polymer Journal Year:2007 | Volume:16 | Issue:7 Page(s): 489-494

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Information Journal Paper

Title

SYNTHESIS AND CHARACTERIZATION OF BIODEGRADABLE RANDOM COPOLYMERS OF L-LACTIDE, GLYCOLIDE AND TRIMETHYLENE CARBONATE

Author(s)

BAGHERI SH. | MOHAMMADI ROUSHAN DEH J. | HASSAN A. | Issue Writer Certificate

Keywords

GLYCOLIDE

L-LACTIDE

TRIMETHYLENE CARBONATE

RANDOM COPOLYMER

Abstract

Random copolymers of L-LACTIDE, GLYCOLIDE and TRIMETHYLENE CARBONATE were synthesized by bulk ring-opening copolymerization of monomers in the presence of stannous octoate as catalyst at 120°C for 48 h. GLYCOLIDE and L-LACTIDE were prepared from their parent acids and then purified by multiple recrystallizations from ethyl acetate. Six copolymers with various mole% of the monomers were prepared and characterized. 1H NMR and 13C NMR spectra of copolymers that were recorded show the random character of the materials. Each 1H NMR and 13C NMR signal split to several peaks. Thermal behaviours of the copolymers were evaluated by DSC thermograms. Copolymers that contain L-LACTIDE and TRIMETHYLENE CARBONATE show an endotherm in DSC, but those containing three monomers do not show any transition in DSC. Mechanical properties of the copolymers were evaluated by measuring stress-strain curves of film specimens prepared by solvent casting.

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HYDROGELS IN CONTROLLED DRUG DELIVERY SYSTEMS

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APA: Copy

BAGHERI, SH., MOHAMMADI ROUSHAN DEH, J., & HASSAN, A.. (2007). SYNTHESIS AND CHARACTERIZATION OF BIODEGRADABLE RANDOM COPOLYMERS OF L-LACTIDE, GLYCOLIDE AND TRIMETHYLENE CARBONATE. IRANIAN POLYMER JOURNAL (ENGLISH), 16(7), 489-494. SID. https://sid.ir/paper/550380/en

Vancouver: Copy

BAGHERI SH., MOHAMMADI ROUSHAN DEH J., HASSAN A.. SYNTHESIS AND CHARACTERIZATION OF BIODEGRADABLE RANDOM COPOLYMERS OF L-LACTIDE, GLYCOLIDE AND TRIMETHYLENE CARBONATE. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2007;16(7):489-494. Available from: https://sid.ir/paper/550380/en

IEEE: Copy

SH. BAGHERI, J. MOHAMMADI ROUSHAN DEH, and A. HASSAN, “SYNTHESIS AND CHARACTERIZATION OF BIODEGRADABLE RANDOM COPOLYMERS OF L-LACTIDE, GLYCOLIDE AND TRIMETHYLENE CARBONATE,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 16, no. 7, pp. 489–494, 2007, [Online]. Available: https://sid.ir/paper/550380/en

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