Enhancement of the Interlayer Interaction between Polystyrene and Polyvinyl Alcohol by Ozone Treatment

Abstract

The ozonization modification of polystyrene (PS) was conducted in acidic condition to enhance the interfacial interaction between PS and polyvinyl alcohol (PVA). Infrared spectra results revealed that the carbonyl and hydroxyl groups were successfully introduced to the PS film by ozonization. The hydrophobic PS was turned to be hydrophilic to some extent by contact angle experiment, which led to the enhancement of interfacial adhesion between PS and PVA. In addition, the adsorption of PS to PVA was also improved. Nano indenter measurement indicated the interfacial interaction between PS film and PVA film was obviously enhanced by 40% after ozonization at room temperature for 2 h in acidic condition, which will benefit for fabricating laser inertial confinement fusion container.

Application of Lavender-Oil Microcapsules to Functionalized PET Fibers

“…The plasma treatment of polymer surfaces not only causes a modification during the plasma exposure, but also leaves active sites at the surfaces, which are subject to post-reactions; this is also called aging [ 11 ]. The ozonization technique is often used in polymer-surface modification due to its easy procedure and low cost [ 12 ]. Ozone is a potent oxidizing agent that may react with surface polymers [ 13 ] and some carbonyl groups, and carboxyl groups appear on the polymer chains [ 14 ].…”

“…Ozone is a potent oxidizing agent that may react with surface polymers [ 13 ] and some carbonyl groups, and carboxyl groups appear on the polymer chains [ 14 ]. The surface wettability may be increased in polymers exposed to plasma or ozone, and both techniques have been used for the enhancement of interfacial adhesion [ 12 ]. In addition, the use of active oxygen (produced by plasma reaction or added directly) treatment is recognized as a safe treating method [ 14 ].…”