Polyethylene-CNT-hydroxyapatite coated materials

Zahid Baduruthamal (Inventor), Abdul Samad Mohammed (Inventor), A.Madhan Kumar (Inventor), Mohamed Hussein (Inventor), Al Aqeeli Nasser (Inventor)

Research output: Patent

Abstract

A biocompatible polymer hybrid nanocomposite coating on a surface of a substrate, such as titanium and its alloys. The coating can be achieved by an electrostatic spray coating, preferably using ultra-high molecular weight polyethylene (UHMWPE) as a matrix for the coating. For example, up to 2.95 wt. % carbon nanotubes can be used as reinforcement, as can up to 4.95 wt. % hydroxyapatite. A dispersion of CNTs and HA in the coating is substantially uniform. The tribological performance of such coatings include high hardness, improved scratch resistance, excellent wear resistance, and corrosion resistance compared to pure UHMWPE coatings.
Original languageAmerican English
Patent numberUS11433422B2
StatePublished - 6 Sep 2022

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