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A Simple Microcalorimetry System To Determine The Adsorption Behaviour Of Acids In Large Adhesive Bond Gaps Using Base-Initiated Solution Polymerisation Of Ethyl-2-Cyanoacrylate, Kevin Raheem, John Cassidy, Tony Betts, Bernard Ryan
A Simple Microcalorimetry System To Determine The Adsorption Behaviour Of Acids In Large Adhesive Bond Gaps Using Base-Initiated Solution Polymerisation Of Ethyl-2-Cyanoacrylate, Kevin Raheem, John Cassidy, Tony Betts, Bernard Ryan
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This work presents the use of a simple microcalorimetry cyanoacrylate (CA) polymerisation system for investigating aspects of CA adhesive cure through gap and adsorption of adhesive acid stabiliser by a range of metal and glass substrates. It is well established that strong acid induced inhibition periods (IPs) are almost directly proportional to the acid concentration in weak base initiated polymerisations of alkyl CAs in tetrahydrofuran (THF). Ethyl cyanoacrylate (ECA) polymerisation IP measurements were used to determine the adsorption of methanesulfonic acid (MSA) in THF or ECA solutions by a range of metal, glass and polypropylene (PP) lap shears surfaces. The …