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Synthesis and Characterization of Novel Surfactant Molecules Based on Amphiphilic Polymers
Authors:Totan Adak  Jitendra Kumar  N. A. Shakil  S. Walia  Abhishek Kumar  A. C. Watterson
Affiliation:1. Division of Agricultural Chemicals , Indian Agricultural Research Institute , New Delhi, India;2. Center for Advanced Materials, Departments of Chemistry and Physics , University of Massachusetts Lowell , MA;3. Institute for Nano-Science Engineering and Technology, Department of Chemistry , University of Massachusetts Lowell , Lowell, MA
Abstract:Twelve amphiphilic polymers were synthesized using poly(ethylene glycols) (PEGs) of different molecular weights, viz. 300, 600 and1000 as hydrophilic block and aliphatic diacids namely glutaric acid, adipic acid, pimelic acid and suberic acid as hydrophobic block in presence of catalyst Conc. H2SO4. Synthesized polyesters were characterized by using 1H-NMR, 13C-NMR and IR spectroscopy. Micellar sizes of the polymers were determined using Dynamic Light Scattering (DLS) which ranged from 127.5–354 nm. Transmission Electron Microscope (TEM) results confirm the findings of DLS. Critical Micelle Concentrations (CMC) of the synthesized polymers were determined using electrical conductivity meter which ranged from 112 to 155 mg L?1.
Keywords:Amphiphilic polymers  poly(ethylene glycols)  aliphatic diacids  1H-NMR  13C-NMR  IR spectroscopy  DLS  TEM  CMC
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