Surface modification of poly(vinyl chloride) using high intensity ultrasound

Abstract

The use of high intensity ultrasound to promote a number of reactions at the surface of solid poly(vinyl chloride) is reported. Substitution reactions involving a range of compounds, including dyes, can rapidly be carried out from aqueous solution under labile conditions. Sonochemically enhanced treatment with strong aqueous base produces dehydrochlorination even at room temperature to produce a thin layer of conjugated material at the surface which can then be grafted with a number of compounds. Some speculation as to the mechanistic features of the process as well as its potential utility is made. © 1999 Society of Chemical Industry

Surface Properties of Plastic Materials in Relation to Their Adhering Performance

“…For example, fluorina-tion, [89,90] CO 2 laser radiation, [91] excimer laser treatment, [92,93] electron beam irradiation in air, [94,95] photografting, [96] and High-Intensity Ultrasound. [97]…”

Systematic optimization of poly(vinyl chloride) surface modification with an aromatic thiol

“…The use of sonication at ambient temperature for modification of the PVC surface has been widely investigated, with metal ion chelation, and grafting of dyes such as Crystal Violet, Rose Bengal and Methylene Blue, and polymers such as PMMA, to PVC previously reported [16]. In addition to improving the mass transport of reagents, ultrasound was expected to enhance wetting of the PVC surface, thereby promoting contact between the PVC film and modifying agent, via high velocity impingement of the surface by microjets formed by the collapse of cavitation bubbles [16]. As displayed in Fig.…”