Pusat Pengajian Teknologi Industri - Tesis
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Browsing Pusat Pengajian Teknologi Industri - Tesis by Subject "Adhesion Properties Of Benzoly Peroxide Crosslinked"
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- PublicationAdhesion Properties Of Benzoly Peroxide Crosslinked Epoxidized Natural Rubber (ENR 25) - Based Pressure Sensitive Adhesives(2014-10)Suid, Nurul HamizaThe objective of this study was to evaluate the influence of crosslinking density, rate of testing and thickness coating on the adhesion properties of epoxidized natural rubber (ENR 25)-based adhesives using coumarone-indene, gum rosin and petroresin as the tacki fiers. Toluene and polyethylene terephthalate (PET) were used as solvent and coating substrate respectively. A SHEEN hand coater was used to coat the adhesive on the substrate. All adhesion properties were determined by a LJyod Adhesion Tester operating at different rates of testing. Results showed that the adhesion properties of ENR 25-based adhesive increased with crosslink density and reduced again after the optimum crosslink. The loop tack and peel strength of cournarone-indene, gum rosin and petroresin passed through a maximum value at I parts per hundred parts of rubber (phr), 2 phr and 3 phr benzoyl peroxide concentration respectively, an observation which was attributed to the optimum crosslinking of ENR 25 where optimum cohesive and adhesive strength was obtained.