The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 07, 2021
Filed:
Sep. 10, 2019
Board of Regents, the University of Texas System, Austin, TX (US);
Melissa A. Wunch, Dallas, TX (US);
Samsuddin F Mahmood, Plano, TX (US);
Duck J Yang, Flower Mound, TX (US);
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM, Austin, TX (US);
Abstract
Graphene is a single layer carbon-based material known for high strength, high flexibility, high electrical conductivity, high surface area, hydrophobicity and barrier property. Introduction of surface functional groups on graphene enhances most of these properties. A facile and economical process to prepare amine and fluoride functionalized graphenes is disclosed. The disclosed processes utilize direct functionalization of pristine graphene without pre-functionalization (GO). Successful functionalization of both aminated and fluorinated graphenes were confirmed by the analyses of FT-IR, thermal gravimetric analysis (TGA), Raman, UV-Vis, and dispersion study. Amine functional groups can react with epoxy resin and urethane resin to form a covalent bond, and fluorinated graphene can give high hydrophobicity and durability, therefore both can be applied as a material or a component in polymer and composite coatings for corrosion protection, moisture or gas barriers.