title: Nanodiamond-polymer composite fibers and coatings.
abstract: While nanocrystalline diamond is quickly becoming one of the most widely studied nanomaterials, achieving a large fraction of diamond nanoparticles in a polymer coating has been an unresolved problem. In this work, polymer nano- and microfibers containing high loadings of 5 nm diamond particles (up to 80 wt % in polyacrylonitrile and 40% in polyamide 11) have been demonstrated using electrospun nanofibers as a delivery vehicle. The electrospun nanofibers with a high load of nanodiamond in the polymers were fused into thin transparent films, which had high mechanical properties; an improvement of 4 times for the Young's modulus and 2 times for the hardness was observed already at 20% nanodiamond in polyamide 11. These films can provide UV protection and scratch resistance to a variety of surfaces, especially in applications where a combination of mechanical, thermal, and dielectric properties is required.
authors.affiliation: A.J. Drexel Nanotechnology Institute and Department of Materials Science and Engineering, Drexel University, 3141 Chestnut Street, Philadelphia, Pennsylvania 19104, USA.
authors.forename: Kristopher D
authors.initials: KD
authors.lastname: Behler
authors.forename: Antonella
authors.initials: A
authors.lastname: Stravato
authors.forename: Vadym
authors.initials: V
authors.lastname: Mochalin
authors.forename: Guzeliya
authors.initials: G
authors.lastname: Korneva
authors.forename: Gleb
authors.initials: G
authors.lastname: Yushin
authors.forename: Yury
authors.initials: Y
authors.lastname: Gogotsi
mesh_terms: D000180:Acrylic Resins / Q000737:chemistry; D018130:Diamond / Q000737:chemistry*; D005240:Feasibility Studies; D008855:Microscopy, Electron, Scanning; D046529:Microscopy, Electron, Transmission; D053761:Nanocomposites / Q000737:chemistry*; D009757:Nylons / Q000737:chemistry; D011108:Polymers / Q000737:chemistry*; D013056:Spectrophotometry, Ultraviolet
chemical_list: D000180:Acrylic Resins; D009757:Nylons; D011108:Polymers; C010504:polyacrylonitrile; D018130:Diamond