Citation: M. Jeyapriya, B. Meenarathi, L. Kannammal, S. Palanikumar, R. Anbarasan. Synthesis and Characterization of Nano Ag End Capped L-Cysteine Bridged Diblock Copolymer[J]. Chinese Journal of Polymer Science, ;2015, 33(10): 1404-1420. doi: 10.1007/s10118-015-1688-x shu

Synthesis and Characterization of Nano Ag End Capped L-Cysteine Bridged Diblock Copolymer

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Department of Polymer Technology, Kamaraj College of Engineering and Technology, Virudhunagar 626001, Tamilnadu, India

Corresponding author: R. Anbarasan,
Received Date: 18 March 2015
Revised Date: 18 April 2015

The target of the present investigation is synthesis and characterization of an amphiphilic diblock copolymer with antibacterial property. Ring opening polymerization (ROP) of -caprolactone (CL) and tetrahydrofuran (THF) was carried out under inert atmosphere by using L-cysteine as a bridging agent in the presence of stannous octoate (SO) as a catalyst. The nano silver end capped diblock copolymer was synthesized by in situ method. Thus obtained nano silver end capped L-cysteine bridged diblock copolymer was characterized by various analytical methods like Fourier transform infrared (FTIR) spectroscopy, nuclear magnetic resonance (NMR) spectroscopy, circular dichroism (CD), fluorescence spectroscopy, gel permeation chromatography (GPC), X-ray photoelectron spectroscopy (XPS), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), field emission scanning electron microscopy (FESEM), high resolution transmission electron microscopy (HRTEM) and zeta potential. The antimicrobial property of the nano silver end capped diblock copolymer against e-coli was tested.
- Ring opening polymerization,
- Amphiphilic diblock copolymer,
- Synthesis,
- XPS,
- HRTEM
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沈阳化工大学材料科学与工程学院沈阳 110142