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Dokument Nr.200301488 (klicken Sie bitte auf die Dokumentnummer um dieses Dokument anzuzeigen)
TitelPhotosensitive ultra-thin film fabricated on anodized aluminium plate
AbstractDiazoresin (DR)-based ultra-thin films were fabricated on anodized aluminium plate (AAP) and investigated. The results show that the adsorption of DR on AAP surface is characteristic of Langmuir-type and reaches saturation rapidly. The thickness of adsorbed monolayer films was determined with angle-resolve X-ray photoelectron spectrometry (ARXPS) to be 2.5-3.5 nm. It was confirmed that after UV-irradiation the DR combines tightlywith the AAP surface via chemical bonding. As a result, the monolayer films exhibit excellent wear resistance and high stability towards solvents. Meanwhile the AAP surface nature becomes hydrophobic from original hydrophilic and accepts ink easily. In addition, the DR-poly(sodium vinyl sulfonate) (PSVS) multilayer films were also fabricated on AAP surface via self-assembly technique. The DR-PSVS multilayer film, which can dissolve in sodium dodecyl sulfate (SDS) aqueous solution, becomes insoluble after UV-irradiation due to the linkage conversion between the layers from ionic bond to covalent bond. (Abstract Copyright [2001], Wiley Periodicals, Inc.)
Control terms engl.ADSORPTION; ALUMINUM; CHEMICAL RESISTANCE; DIAZO COMPOUNDS; FILMS; HYDROPHILIC; HYDROPHOBIC; INTERFACES; MONOLAYERS; PHOTOELECTRIC PROCESSES; SOLUBILITY; SOLVENTS; SURFACES; ULTRAVIOLET RADIATION; WEAR; X-RAY SPECTROSCOPY
Control terms germanADSORPTION; ALUMINIUM; CHEMIKALIENBESTAENDIGKEIT; DIAZOVERBINDUNGEN; FILME; HYDROPHIL; HYDROPHOB; GRENZFLAECHEN; FILME; PHOTOELEKTRISCHE VORGAENGE; LOESLICHKEIT; LOESUNGSMITTEL; OBERFLAECHEN; ULTRAVIOLETTE STRAHLEN; VERSCHLEISS; ROENTGENSPEKTROSKOPIE