Functionalized hexagonal boron nitride nano-coatings for protection of transparent plastics

Thu Van Tran; Aybala Usta; Ramazan Asmatulu

doi:10.1117/12.2235331

15 April 2016 Functionalized hexagonal boron nitride nano-coatings for protection of transparent plastics

Thu Van Tran, Aybala Usta, Ramazan Asmatulu

Proceedings Volume 9799, Active and Passive Smart Structures and Integrated Systems 2016; 97993T (2016) https://doi.org/10.1117/12.2235331
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2016, Las Vegas, Nevada, United States

Abstract

Nanocoating is the result of a coating application of nanomaterials to build a consistent network of molecules in a paint to protect the surfaces of various materials and devices. Hexagonal Boron Nitride (h-BN) is in two dimensional form with excellent thermal, mechanical and chemical properties. These BN nanocoatings are also a thermally insulating material for heat management. After adding functionalized h-BNs into paints or other coatings, they will absorb the harmful UV part of sunlight and prevent coating against the environmental degradations. The impacts of the environmental factors on the coatings can be substantially eliminated. In the present study, h-BNs were modified with [2-(2-Aminoethylamino) propyl] trimethoxysilane and uniformly dispersed into the polyurethane coatings with different amounts, such as 0.1, 0.2, 0.4, and 0.8wt% to increase hardness and water resistance, and decrease the UV degradation level of coatings and transparent plastics. The prepared samples were characterized by using Fourier Transform Infrared Spectroscopy (FTIR), UV-Vis Spectroscopy, Scanning Electron Microscope (SEM), Water Contact Angle, and Differential Scanning Calorimeter (DSC). The test results showed that the nanocoatings with functionalized h-BN provided excellent physical and chemical behaviors against the UV and other physical degradations on the substrates.

Citation Download Citation

Thu Van Tran, Aybala Usta, and Ramazan Asmatulu "Functionalized hexagonal boron nitride nano-coatings for protection of transparent plastics", Proc. SPIE 9799, Active and Passive Smart Structures and Integrated Systems 2016, 97993T (15 April 2016); https://doi.org/10.1117/12.2235331

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