The Effect of Silica on the Peel Adhesion of Epoxidized Natural Rubber-Based Adhesive Containing Coumarone-Indene Resin

resumo

The peel strength of silica filled on two grades of epoxidized natural rubber (ENR), i.e., ENR 25 and ENR 50 adhesive were investigated using coumarone-indene as the tackifying resin. Toluene was used as the solvent throughout the study. Result shows that peel strength increases with increase in silica loading due to the concentration effect of the filler. Peel strength, however, shows maximum value at 40 phr silica for both ENR 25 and ENR 50 an observation that is attributed to the maximum wettability and compatibility of adhesive on the substrate.

palavras-chave

PRESSURE-SENSITIVE ADHESIVES; MOONEY SCORCH TIME; CARBON-BLACK; CURE INDEX; PROPERTY; BEHAVIOR; VULCANIZATION; TACKIFIER; STRENGTH; BLENDS

categoria

Polymer Science

autores

Khan, I; Poh, BT

nossos autores

Grupos

agradecimentos

The authors acknowledge the research grant (FRGS) provided by Universiti Sains Malaysia that has resulted in this article.

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