محمدرضا عبدالمحمدي

In this research, the design and production of specialized foam floor covering molds were carried out according to customer standards and specifications. The final product was tested and compared with similar products in the field. To gain practical experience, molds were fabricated using different materials. Polyethylene served as the primary material, with bicarbonate as the mold filler, while ethylene vinyl acetate (EVA) was used to enhance the material properties, and dichloromethane was applied as a neutralizing agent for the foaming process. The desired properties were assessed through a testing protocol, including the foam baking process at a temperature of 170 degrees Celsius under specific pressure, with each material stored for an equal duration of 16 minutes. During the implementation phase, materials with various compositions were prepared and baked in molds under a hot press. Subsequently, the resulting samples were eva‎luated and compared to the original sample. The samples analyzed in this study included six types: UK samples, CH samples, IR samples, IR White samples, IR Seft samples, and control samples. Tests conducted involved tensile testing and Differential Scanning Calorimetry (DSC). The results indicate that the IR White sample (the fourth sample) had the lowest maximum tensile strength. The third sample, or IR, represents an improved version of the fourth sample, showing enhanced tensile properties compared to the previous sample.

اتيلن وينيل استات , فوم هاي پليمري , كف پوش خودرو , آناليز جنس نمونه

Ethylene vinyl acetate , polymer foams , car flooring , sample material analysis

Mohammadreza Abdolmohammadi

Dr. Majid Rajabi