Abstract
Cyanoacrylate adhesives represent the earliest discovered and most widely utilized adhesives known to date, boasting exceptional bonding properties such as the ability to cure at room temperature, rapid curing rates, and strong adhesion. However, shortcomings persist in practical applications, notably in addressing inert materials like silicone that pose challenges for ideal adhesion. To enhance the bonding performance of cyanate ester adhesives with silicone materials, this study delves into two aspects: modifying cyanate esters and pre-treating silicone surfaces to reduce surface energy. Following internal modifications, the maximum bonding strength to silicone sheets reached 2.33 MPa, while pre-treating the silicone substrate surface enabled a maximum bonding strength of 6.10 MPa. Utilizing SEM, ATR, EDS, and other analytical techniques, the mechanisms behind the improvement in silicone substrate bonding strength are characterized, revealing changes in properties pre- and post-treatment. This research paves a novel path and direction for future scientific investigations and advancements in adhesive formulation and enhancement.
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