Water-based adhesive formulations for rubber to metal bonding developed by statistical design of experiments |
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| Affiliation: | 1. Grupo de Investigación en Ingeniería de Diseño (GRID), Product Design Engineering Department, Universidad EAFIT, Carrera 49 No 7sur-50, Medellín, Colombia, South America;2. Grupo de Desarrollo y Diseño de Procesos, Process Engineering Department, Universidad EAFIT, Carrera 49 No 7sur-50, Medellín, Colombia, South America;3. Adhesion and Adhesives Laboratory, Department of Inorganic Chemistry, University of Alicante, Apartado 99, 03080 Alicante, Spain;1. Institute of Medical and Polymer Engineering, Technische Universität München, Boltzmannstrasse 15, 85748 Garching, Germany;2. Bioseparation Engineering Group, Technische Universität München, Boltzmannstrasse 15, 85748 Garching, Germany;3. Horst Scholz GmbH & Co. KG – High Tech in Kunststoff (HTIK), Nalser Str. 39, 96317 Kronach, Germany;1. Materials innovation institute (M2i), Elektronicaweg 25, 2628XG Delft, The Netherlands;2. Structural Integrity and Composites Group, Faculty of Aerospace Engineering, Delft University of Technology, Kluyverweg 1, 2629 HS Delft, The Netherlands;1. Department of Biomaterials, Biomedical Engineering Faculty, Science and Research Branch, Islamic Azad University, Tehran, Iran;2. Novel Drug Delivery Systems Dept., Iran Polymer and Petrochemical Institute, P.O. Box 14965/115, Tehran, Iran;3. Biomaterials Dept., Iran Polymer and Petrochemical Institute, P.O. Box 14965/159, Tehran, Iran;4. Animal and Marine Biotechnology Dept., National Institute of Genetic Engineering and Biotechnology, P.O. Box 14965/161, Tehran, Iran;1. Department of Frontier Materials and Function Engineering, Graduate School of Engineering, Iwate University, 4-3-5 Ueda, Morioka 020-8551, Japan;2. VIPO a. s., ul.gen.Svobodu 1069/4, 95801 Partizanske, Slovakia;1. Department of Chemistry, Aarhus University, Langelandsgade 140, DK-8000 Aarhus C, Denmark;2. Department of Engineering, Aarhus University, Hangøvej 2, DK-8200 Aarhus N, Denmark;3. Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, DK-8000 Aarhus C, Denmark;4. Department of Engineering, Aarhus University, Inge Lehmanns Gade 10, DK-8000 Aarhus, Denmark |
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| Abstract: | Waterborne adhesives for rubber to metal bonding have been available since 1990. However, published information about their formulation has been limited, as proprietary restrictions are exercised by companies. As a consequence, the way these adhesives interact with substrates has not been studied extensively. With the aim of investigating the effect the components of a waterborne adhesive have on rubber to metal bonding, fractional factorial and surface response methodologies of design of experiments were employed in this study. Twenty six formulations were prepared with a polychloroprene latex as the adhesive polymer. Viscosity, wettability and non-volatile solids content were measured with each liquid adhesive, while the mechanical strength was evaluated by applying a tensile mechanical stress over cured solid adhesive films. Adhesion properties were evaluated by using a single lap-shear test on metal to metal joints and a pull-out test on rubber to metal joints. The results showed that the components with the largest relative influence on cohesive and adhesives forces were tackifier resin, silicon dioxide and polychloroprene latex type. In order to better understand the contributions of these variables, mathematical models correlating them with the response variables were obtained. This study is valuable in explaining how, through statistical methods, a waterborne adhesive for rubber to metal bonding can be formulated with a reasonably low number of experiments. |
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| Keywords: | A Water based B Metals B Rubbers Design of experiments |
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