Synthesis of Poly(acrylamide-Methacrylate)-G-Octylphenyl Polyoxyethylene and its Micellar Behavior in Aqueous Solution

Abstract:

An amphiphilic graft copolymer with poly(acrylamide-methacrylate) as a main chain and octylphenyl polyoxyethylene as side chains (P(AM-MA)-g-C8PhEO10) was successfully synthesized via free radical copolymerization. The structure and the composition of the graft copolymer were characterized by FTIR, 1H-NMR and elemental analysis (EA) in detail. The absolute molecular weight of the copolymer is 1.304×106, as determined by static light scattering (SLS). The molar ratio of acrylamide monomer to the macromonomer is 33:1 in the copolymer and 53 C8PhEO10 branch chains attach to a P(AM-MA) backbone. The micellar behavior of P(AM-MA)-g-C8PhEO10 was preliminarily studied by means of surface tension measurements, transmission electron microscope (TEM) in aqueous solution. It was found that the stable spherical micelles with core-shell structure are formed and polymolecular micelles are larger and more compact than monomolecular micelles. In addition, the graft copolymer has favorable thermal stability.

• Periodical: Advanced Materials Research (Volumes 239-242)
• Pages: 3337-3341
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.239-242.3337
• Online since: May 2011
• Authors: Dong Xia Zhang, Wen Hui Hu, Fang Ping Wang, Lin Ke Xue, Xin Zhen Du
• Keywords: Amphiphilic Graft Copolymer, Macromonomer, Micelle, Polymer Synthesis

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