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Open Access Article
1 - A Review on the Mechanical Properties of Carbon Nanotubes Reinforced Polymer Composites
Ahdieh Amjadi Fereshteh Barragh JamAdvances in the synthesis and industrial production of carbon nanomaterials, particularly carbon nanotubes (CNTs) have been widely used in the polymer materials industry in the past few decades, leading to the creation of a group of carbon nanotube-reinforced polymer co MoreAdvances in the synthesis and industrial production of carbon nanomaterials, particularly carbon nanotubes (CNTs) have been widely used in the polymer materials industry in the past few decades, leading to the creation of a group of carbon nanotube-reinforced polymer composites that exhibit the potential to be used in several applications, such as military, transportation, aerospace, automotive, and sports equipment. The advantageous thermal, electrical, and mechanical properties of CNTs, in conjunction with their low density, which encourages researchers to use them in making polymer composites. Polymeric composites have been welcomed by many researchers and industrialists due to their special properties including low weight, favorable mechanical properties and diverse production processes compared to other types of composites and other engineering materials. On the other hand, CNTs are unique as mechanical reinforcement components for structural applications due to their nanometer dimensions and extraordinary strength. Therefore, in this review study, an attempt has been made to examine the researches carried out in the field of mechanical properties of polymer composites reinforced with CNT. The implications of several factors affecting mechanical properties of CNT reinforced polymer composites such as amount, shape, and contact area of the reinforcing agents with the polymer matrix, have been highlighted. Manuscript profile -
Open Access Article
2 - The effect of additives and masterbatch to improve the properties of recycled polyolefins
Hamidreza Haydari marziyeh hosseiniAlthough the recycling of polymer products is beneficial for the environment and economy, the main goal is to achieve the efficiency of raw (intact) polymers in recycled polymers. The best type of recycling to have maximum energy efficiency and minimum environmental con MoreAlthough the recycling of polymer products is beneficial for the environment and economy, the main goal is to achieve the efficiency of raw (intact) polymers in recycled polymers. The best type of recycling to have maximum energy efficiency and minimum environmental consequences is mechanical recycling. However, there are a number of differences between virgin and recycled polymers. Due to the structural changes and the presence of impurities in the polymer, it is difficult to achieve a quality recycling. Whether the recycled polymer is suitable for obtaining new applications or not is measured by mechanical tests (such as tensile test, impact test), physical tests (such as hydraulic stability, surface roughness) and operational tests (extrusion and molding) under standard conditions. When these tests are performed, most recycled polymers do not meet the requirements required for various applications, unless we use additives that improve their properties. These additives may include coupling agents, impact improvers, metal deactivators, melt flow regulators, antioxidants, masterbatches, etc., and each is used in some way to improve specific properties of the polymers. Although the recycling of polymer products is beneficial for the environment and economy, the main goal is to achieve the efficiency of raw (intact) polymers in recycled polymers. Manuscript profile
List of Articles Mechanical Properties
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