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|Title:||Structural studies of polyethylene, poly(ethylene terephthalate) and polystyrene films modified by near u.v. light induced surface graft copolymerization||Authors:||Loh, F.C.
|Issue Date:||Jan-1995||Citation:||Loh, F.C.,Tan, K.L.,Kang, E.T.,Uyama, Y.,Ikada, Y. (1995-01). Structural studies of polyethylene, poly(ethylene terephthalate) and polystyrene films modified by near u.v. light induced surface graft copolymerization. Polymer 36 (1) : 21-27. ScholarBank@NUS Repository.||Abstract:||Near u.v. light induced graft copolymerizations of water-soluble monomers such as acrylamide, acrylic acid, the sodium salt of 4-styrenesulfonic acid and N,N-dimethylaminoethyl methacrylate onto pristine and Ar plasma pretreated film surfaces of high-density polyethylene, poly(ethylene terephthalate) and polystyrene were carried out. Using angle-resolved X-ray photoelectron spectroscopy (XPS), the chemical composition and structure of each copolymer surface and interface were investigated. The XPS results show that in each case Ar plasma treatment leads to a substantial enhancement of the density of the surface graft, and, in the case where substantial grafting takes place, the grafted polymer penetrates or becomes partially submerged beneath a thin surface layer which is much richer in the substrate polymer. The resulting surface structures were further confirmed and distinguished by data obtained using dynamic water contact angle measurements. © 1995.||Source Title:||Polymer||URI:||http://scholarbank.nus.edu.sg/handle/10635/52718||ISSN:||00323861|
|Appears in Collections:||Staff Publications|
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