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Article

Enhancement of Polyvinyl Acetate (PVAc) Adhesion Performance by SiO2 and TiO2 Nanoparticles

Faculty of Graphic Arts, University of Zagreb, Getaldićeva 2, 10000 Zagreb, Croatia
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Coatings 2019, 9(11), 707; https://doi.org/10.3390/coatings9110707
Received: 11 October 2019 / Revised: 23 October 2019 / Accepted: 29 October 2019 / Published: 30 October 2019
Post press processes include various types of bonding and adhesives, depending upon the nature of adherends, the end use performance requirements and the adhesive bonding processes. Polyvinyl acetate (PVAc) adhesive is a widely used adhesive in the graphic industry for paper, board, leather and cloth. In this study, the enhancement of PVAc adhesion performance by adding different concentrations (1%, 2% and 3%) of silica (SiO2) and titanium dioxide (TiO2) nanoparticles was investigated. The morphology of investigated paper-adhesive samples was analyzed by SEM microscopy and FTIR spectroscopy. In addition, the optimal adhesion at the interface of paper and adhesive was found according to calculated adhesion parameters by contact angle measurements (work of adhesion, surface free energy of interphase, wetting coefficient). According to obtained surface free energy (SFE) results, optimum nanoparticles concentration was 1%. The wettability of the paper-adhesive surface and low SFE of interphase turned out as a key for a good adhesion performance. The end use T-peel resistance test of adhesive joints confirmed enhancement of adhesion performance. The highest strength improvement was achieved with 1% of SiO2 nanoparticles in PVAc adhesive. View Full-Text
Keywords: PVAc adhesive; nano-enhanced adhesive; adhesive joint; adhesion performance; peel resistance PVAc adhesive; nano-enhanced adhesive; adhesive joint; adhesion performance; peel resistance
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MDPI and ACS Style

Petković, G.; Vukoje, M.; Bota, J.; Pasanec Preprotić, S. Enhancement of Polyvinyl Acetate (PVAc) Adhesion Performance by SiO2 and TiO2 Nanoparticles. Coatings 2019, 9, 707. https://doi.org/10.3390/coatings9110707

AMA Style

Petković G, Vukoje M, Bota J, Pasanec Preprotić S. Enhancement of Polyvinyl Acetate (PVAc) Adhesion Performance by SiO2 and TiO2 Nanoparticles. Coatings. 2019; 9(11):707. https://doi.org/10.3390/coatings9110707

Chicago/Turabian Style

Petković, Gorana, Marina Vukoje, Josip Bota, and Suzana Pasanec Preprotić. 2019. "Enhancement of Polyvinyl Acetate (PVAc) Adhesion Performance by SiO2 and TiO2 Nanoparticles" Coatings 9, no. 11: 707. https://doi.org/10.3390/coatings9110707

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