Journal
RADIATION PHYSICS AND CHEMISTRY
Volume 79, Issue 1, Pages 22-26Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.radphyschem.2009.08.014
Keywords
Emulsion graft polymerization; Glycidyl methacrylate; Polyethylene fiber; Sodium n-dodecyl sulfate; Surfactant; Micelle diameter
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Graft polymerization of glycidyl methacrylate (GMA) onto polyethylene fiber was carried out in emulsion solution obtained by dissolving GMA in water with sodium n-dodecyl sulfate (SDS) as a surfactant. GMA micelles diameter was 415 mn at 5% GMA with 4% SDS and increased up to 1840 nm at 10% GMA with 12% SDS. Degree of grafting (Dg) which was estimated by the weight gain after grafting increased with the increment of GMA concentration in the range 2 to 8% and slightly reduced at 10% GMA. The increment in SDS concentration from 4% to 16% at 5% GMA reduced Dg from 120% to 18%. In emulsion graft polymerization, Dg was affected by covered area by GMA/SDS micelles on the fiber. (C) 2009 Elsevier Ltd. All rights reserved.
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