Abstract
Epoxy acrylic resin (EAR) has been widely used in the chemical industry for many years. However, its potential hazard is still to be ascertained. Currently, it is known that the exothermic polymerization reaction of the EAR in acrylic acid occurs at about 90 °C in the first phase and the epoxy ring opening and exothermic reaction occur at about 200 °C in the second phase. Runaway reaction may occur if the temperature is not well controlled. The amount of catalyst is a factor that may bring about a change in the reaction rate. Hence, this study aims to test and ascertain the effects of the catalyst in terms of its dosage on the runaway reaction of the EAR to understand the extent of the effect of the catalyst on the process. A differential scanning calorimeter was used in this study to analyze the potential hazards of the EAR. The experimental results of the research can be used as a reference for field personnel to design processes and control damage. They will give more confidence to the public and the personnel in relevant industries in terms of the EAR process and storage. Catalysts of different types and dosages used in the epoxy resin and acrylic acid reaction may affect the reaction of exothermic rates. Therefore, it is suggested to conduct a heating test to determine whether or not any adiabatic test is needed when using a new process or formula to ensure operating safety.
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