| 초록 |
Polyvinyl chloride(PVC) is one of the adhesives for bonding non-metallic films to metal materials. PVC is used in many places because it is inexpensive, chemically resistant and self-extinguishing. However, phthalate plasticizer, which is used to soften PVC during processing, is environmentally very harmful and carcinogenic substance, so it has restricted to use internationally. In this study, we have studied hot-melt adhesives that are not harmful to the human body and have adhesive strength enough to replace PVC. Tackifier and Nanoclay were added to improve the adhesion between different materials. The Mixing ratio of tackifier was changed such as 0wt%, 10wt%, 20wt% for finding optimized ratio and nanoclay was contained in it additionally. The mixture was blended in two ways, mixer and extruder. In order to confirm the properties, lap shear test was carried out by Universal Testing Machine(UTM) and glass transition temperature was measured by Dynamic Mechanical Analysis(DMA). |
