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Pitchan, Mohan Kumar
University of Manchester
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2021High-grip and hard-wearing graphene reinforced polyurethane coatings
- 2020Effect of different filler reinforcement on poly-ether-ether-ketone based nanocomposites for bearing applicationscitations
- 2018Effect of titanium nitride coating for improvement of fire resistivity of polymer composites for aerospace applicationcitations
- 2018Development of high temperature electrical conductive polymeric nanocomposite films for aerospace applicationscitations
- 2017Process optimization of functionalized MWCNT/polyetherimide nanocomposites for aerospace applicationcitations
- 2016Novel Lightning Strike-Protected Polymeric Composite for Future Generation Aviationcitations
- 2016Novel Lightning Strike-Protected Polymeric Composite for Future Generation Aviationcitations
- 2016Development of lightweight high-performance polymeric composites with functionalized nanotubescitations
- 2016Effect of surface functionalization on mechanical properties and decomposition kinetics of high performance polyetherimide/MWCNT nano compositescitations
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article
High-grip and hard-wearing graphene reinforced polyurethane coatings
Abstract
Liquid polyurethane (PU) resins are used to form anti-slip surface coatings. In this work, we reinforce PU resin films with few-layer graphene (FLG) nanoparticles incorporated by high-shear mixing. This process gives excellent dispersion as evidenced by optical and X-ray tomography. The FLG does not appreciably change the tensile strength or Shore hardness of the PU, but we report modest increase of 10% in tear strength and Young’s modulus, accompanied by a similar decrease in elongation to failure. However, significant improvement of over 100% is observed in the abrasion resistance. At the same time, we report a 25% increase in the coefficient of static friction and 200% increase in the coefficient of dynamic friction. These results, taken together, suggests that graphene can significantly improve the grip and durability of PU anti-slip coatings, without significantly affecting the other mechanical properties of the coating.