Biocompatible PVTF Coatings on Ti with Improved Bonding Strength
Source abstract
Abstract
In this work, a poly(vinylidenefluoride-co-trifluoroethylene) (PVTF) coating on a titanium (Ti) substrate was prepared, and Ti metal surfaces were treated by physical or chemical methods to achieve a high bonding strength with PVTF. Scanning electron microscopy (SEM), atomic force microscope (AFM), and static water contact angles (WCA) were used to characterize the Ti metal surfaces. Further, mechanical stretching testing was employed to measure the bonding strength of PVTF coatings. The possible mechanism for the improved bonding strength could be the higher OH concentrations on Ti metal surfaces, which could lead to the formation of chemical bonds with the F atom of PVTF chains. Finally, a CCK-8 analysis of bone marrow mesenchymal stem cells (BMSCs) cultured on the PVTF coatings confirmed that the physical and chemical treatments had no significant differences in biocompatibility. Such a PVTF coating on a Ti substrate showed the potential of biomedical metal implants.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Bone Tissue Engineering Materials · Polymer Surface Interaction Studies · Magnesium Alloys: Properties and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Center of Rehabilitation Biomedical Materials, State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
Key Laboratory of Acoustics and Vibration Precision Measuring Technology for State Market Regulation of Zhejiang Province, Zhejiang Institute of Metrology, Hangzhou 310018, China
Zhejiang Construction Engineering Group Co., Ltd., Hangzhou 310013, China
Funding
National Natural Science Foundation of China · Science and Technology Program Project of the State Administration of Market Supervision · Eyas Program Incubation Project of Zhejiang Provincial Administration for Market Regulation
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