PFAS-free nanoengineered coatings for enhanced razor blade performance
Develop a PFAS-free ultra-thin coating with superior friction and adhesion characteristics for stainless-steel razor blades. Utilizing a hybrid inorganic-organic matrix embedded with 2D nanostructures, this technology provides a sustainable alternative to PTFE coatings.
Overview
This innovative solution offers a PFAS-free, ultra-thin nanoengineered coating designed to enhance the tribological performance of stainless-steel razor blades. By employing a hybrid inorganic–organic matrix embedded with two-dimensional nanostructures, the coating achieves a remarkably low coefficient of friction (~0.02) while maintaining strong adhesion under normal shaving pressures (5–200 MPa). This environmentally compliant surface technology is poised to replace traditional PTFE coatings, offering durability and scalability for next-generation grooming products.
Technical specifications
Key features:
- PFAS-free ultra-thin coating (<0.5 µm) for stainless-steel razor blades
- Hybrid inorganic–organic matrix embedded with 2D nanostructures such as h-BN and rGO
- Achieves a coefficient of friction near 0.02
- Strong adhesion facilitated by graded metallic or oxide interlayers (e.g., TiO₂, Cr–O–N)
- Low-temperature deposition process
- Biomimetic surface design for enhanced durability
Technology readiness level
This technology is currently at TRL 5, having passed component validation in relevant environments. Ongoing development includes optimizing coating recipes and conducting mechanical and tribological tests to ensure readiness for high-volume manufacturing.
About Toronto Metropolitan University
Toronto Metropolitan University is a comprehensive public research university in the heart of downtown Toronto, recognized for experiential, career‑integrated education and a diverse, industry‑connected student body. Industry access is embedded through co‑located and community‑based platforms, including the DMZ startup incubator and a university‑wide Zone Learning network that connects companies with faculty and student innovators. A dedicated Centre for Urban Innovation hosts collaborative labs and pilot spaces, while the Brampton‑based School of Medicine—affiliated with William Osler Health System—creates direct pathways for clinical training and partnership; the Rogers Cybersecure Catalyst extends capacity in workforce development and applied solutions. Research is supported by competitive federal and provincial funding, including NSERC, CIHR, SSHRC and the Canada Foundation for Innovation. A formal commercialization framework and IP policy provide structured support for protection, licensing and venture creation.
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