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13 results on '"Sara Estaji"'

8. Functionalized graphene nanoplatelets/poly (lactic acid)/chitosan nanocomposites: Mechanical, biodegradability, and electrical conductivity properties

Author

Sara Estaji, Hossein Ali Khonakdar, Seyed Rasoul Mousavi, Azin Paydayesh, and Mohammad Amin Nozarinya

Subjects
Materials science, Nanocomposite, Polymers and Plastics, Functionalized graphene, General Chemistry, Biodegradation, Lactic acid, Chitosan, chemistry.chemical_compound, chemistry, Chemical engineering, Electrical resistivity and conductivity, Materials Chemistry, Ceramics and Composites, Composite material
Published
2021
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9. Toughening of epoxy resin systems using core–shell rubber particles: a literature review

Author

Mohammad Arjmand, Seyed Rasoul Mousavi, Azin Paydayesh, Hossein Ali Khonakdar, Seyed Hassan Jafari, Elham Rostami, Sara Estaji, and Mahsa Raouf Javidi

Subjects
Chemical resistance, Materials science, Mechanical Engineering, Epoxy, Fracture toughness, Brittleness, Natural rubber, Mechanics of Materials, visual_art, Copolymer, visual_art.visual_art_medium, General Materials Science, Adhesive, Composite material, Glass transition
Abstract

Excellent thermal and mechanical properties and high chemical resistance with low shrinkage of epoxy resins open a wide window of various industrial applications, including coatings, paints, adhesive, etc. Despite their excellent properties, epoxy resins are brittle and have a low resistance to the initiation and growth of cracks. To overcome this drawback, different kinds of reinforcements, including liquid rubbers, core–shell rubber particles, dendritic polymers, block copolymers, thermoplastics, rigid particles, etc., have been used to improve the fracture toughness of epoxy resin systems. This paper briefly introduces each reinforcement separately and mainly presents an in-depth review of the progress of the last decade in the field of toughening of epoxy resins using core–shell rubber particles. This review paper also refers to the results of the research papers published on the effect these rubber particles on the mechanical properties of epoxy resins, as well as explains different toughening mechanisms of epoxy resins. Researchers first focused on the use of core–shell rubber particles containing different cores and shells. They then used core–shell rubber particles along with rigid fillers such as silica to offset the slight diminish in mechanical properties, as well as the glass transition temperature. In recent years, some research teams have used core–shell rubber particles and block copolymers simultaneously and have achieved fascinating results.

Published
2021
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10. Effect of a novel green modification of alumina nanoparticles on the curing kinetics and electrical insulation properties of epoxy composites

Author

Elham Rostami, Hossein Ali Khonakdar, Sara Estaji, Mohammad Arjmand, and Seyed Rasoul Mousavi

Subjects
Chitosan, chemistry.chemical_compound, Materials science, Polymers and Plastics, chemistry, visual_art, Kinetics, visual_art.visual_art_medium, Surface modification, Nanoparticle, Epoxy, Composite material, Curing (chemistry)
Published
2021
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11. Polycarbonate/poly(methyl methacrylate)/silica aerogel blend composites for advanced transparent thermal insulations: Mechanical, thermal, and optical studies

Author

Azin Paydayesh, Sara Estaji, Seyed Rasoul Mousavi, Hossein Ali Khonakdar, and Mohammad Mehdi Abiyati

Subjects
Thermal conductivity, Materials science, Polymers and Plastics, visual_art, Thermal, Materials Chemistry, Ceramics and Composites, visual_art.visual_art_medium, Aerogel, General Chemistry, Composite material, Polycarbonate, Poly(methyl methacrylate)
Published
2021
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