Preparation and Study of Mechanical and Thermal Properties of Polymeric Composites of Unsaturated and Polyester Cellulose Fibers

In this paper, polymeric composites were prepared from unsaturated polyester as a base material with cellulose in different weight ratios (1.2%, 3%, .4%, 5%) as reinforcement material. After comparing the unsaturated polyesters before and after reinforcement for the prepared composites, it was found that there is an increase in the values ​​of mechanical properties (Impact strength ا Hardness, Compressive Strength, Tensile strength). After the unsaturated polyester reinforcement process at a temperature of 25 ℃ and then it was found that the weight ratio in which the mechanical properties (hardness, shock, tensile, compressive) increase is 2% and when treated at temperatures (8.55) ℃ it was found that the shock resistance It increases at 55 ℃ and decreases at 8 ℃, while the hardness, tensile and compressive strength decrease at (8.55) ℃