FABRICATION AND AFM/FFM STUDIES OF C_(60)-CONTAINING POLYELECTROLYTE SELF-ASSEMBLED FILMS

来源 :Chinese Journal of Polymer Science | 被引量 : 0次 | 上传用户:jplang
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An initial investigation on the roughness and frictional properties of the self-assembled thin films frompolyelectrolytes is presented. Star-shaped C_(60)-poly(styrene-maleic anhydride) was successful prepared. The multilayer thinfilms have been fabricated on mica with diazoresin as the cationic polyelectrolyte and hydrolyzed star-shaped C_(60)-poly(styrene-maleic anhydride) as the anionic polyelectrolyte via self-assembly technique. The crosslinking structure of thefilms is formed from the conversion of ionic bond to covalent bond after UV irradiation. AFM/FFM investigations provideinsights into the roughness and frictional properties on a microscale. The roughness depends strongly on the number of filmlayers in the case of C_(60)-containing films. The frictional forces of the films exhibited a well behaved non-linear relationshipin response to the change of applied load. It supports the prediction of enhanced load-bearing property of C_(60)-containing thinfilms. The initial thin film thickness has been fabricated on mica with diazoresin as the cationic polyelectrolyte and hydrolyzed star-shaped C_ (60) -poly (styrene-maleic anhydride) as the anionic polyelectrolyte via self-assembly technique. The crosslinking structure of the Films is formed from the conversion of ionic bond to covalent bond after UV irradiation. AFM / FFM investigations provideinsights into the roughness and frictional properties on a microscale. The roughness depends strongly on the number of filmlayers in the case of C_ (60) -containing films. The frictional forces of the films exhibited a well behaved non-linear relationship in response to the change of applied load. It supports the prediction of enhanced load-bearing property of C_ (60) -containing thinfilms.
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