Effects of solution and solid forms of 2-hydroxypropyl-3-piperazinyl-quinoline carboxylic acid methacrylate on antibacterial, physical and mechanical properties of polypropylene sheeting

Abstract

Two forms of an inorganic antibacterial agent, 2-hydroxypropyl-3-piperazinylquinoline carboxylic acid methacrylate (HPQM), were added into polypropylene sheet. The polypropylene sheet antibacterial, physical, and mechanical performance was assessed before and after exposure to ultraviolet light at different ultraviolet aging times. Water-based HPQM (HPQM-solution) and HPQM in

Effects of UV-accelerated weathering and natural weathering conditions on anti-fungal efficacy of wood/PVC composites doped with propylene glycol-based HPQM

“…The number of cracks for neat PVC increased with increasing aging time (Figure 3a-3c). These results correspond well with Sributr et al [32]. The findings indicate that HPQM in neat PVC was not capable of maintaining anti-fungal efficacy under prolonged UV light exposure.…”

“…The number of cracks for WPVC-50 increased with increasing aging time, as shown in Figure 3d-3f. These results correspond well with Sributr et al [32]. During the condensation process, some of the HPQM was washed away from the composite samples, resulting in a decrease in anti-fungal growth inhibition, as shown in Figure 2b Figure 4a shows the effects of natural weathering conditions on the anti-fungal efficacy of neat PVC with varying HPQM content.…”

Development of PP/EPDM thermoplastic elastomer by doped with 2-hydroxypropyl- 3-piperazinyl-quinoline carboxylic acid methacrylate based neusilin® for sanitary applications

“…Most applications involve contact with the human body. Sributr et al 15 studied antibacterial performance in PP by adding 2-Hydroxypropyl-3-Piperazinyl-Quinoline Carboxylic Acid Methacrylate (HPQM) in Neusilin ® and HPQM solution, which found HPQM in Neusilin ® was better for inhibiting growth bacteria than HPQM solution. The antibacterial performance of polymers is dependent on many factors, such as type and concentration of antibacterial agents, type of polymers, deterioration of polymers during applications and mixing method of antibacterial agents into polymer.…”