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The effect of nanoclay filler addition on the foaming and mechanical properties of polypropylene
(Wiley, 2024) Yetgin, Salih Hakan; Unal, Huseyin; Ermis, Kemal
In this study, onium-ion-added nanoclay (NC)/microcellular polypropylene (PP) composites were created using a conventional injection molding machine. A chemical foaming agent was utilized to facilitate mixing. The primary focus was to analyze how altering the NC content affects the mechanical characteristics and the properties of the endothermic chemical foaming agent added PP/NC composites. The composites were created using a chemical foaming agent at a weight ratio of 1 wt% and NC at weight ratios of 0 wt%, 2.5 wt% and 5 wt%. The findings indicated that an increase in the NC ratio led to higher cell count and cell density, along with a reduction in cell diameter. Additionally, the outcomes demonstrated that the foaming of PP/NC composites resulted in decreased modulus of elasticity and tensile strength while enhancing impact strength. (c) 2024 The Authors. Polymer International published by John Wiley & Sons Ltd on behalf of Society of Industrial Chemistry. The addition of nanoclay to polypropylene polymers resulted in an increase in tensile strength, modulus of elasticity, cell number and density, and a decrease in impact strength, skin layer thickness and cell diameter. image