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Multilayered Nanocomposites Prepared through Quadruple-Layering Approach towards Enhanced Mechanical Performance
Yingji Wu1, Haoran Ye1, Guiyang Zheng1
1Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, Jiangsu, China.
A new quadruple-layering technique rapidly fabricates multilayered materials, enhancing mechanical properties like tensile strength and modulus with more layers. Uniformity issues with increasing layers require further study.
Area of Science:
- Materials Science
- Polymer Science
- Nanotechnology
Background:
- Multilayered materials exhibit unique structural and mechanical properties.
- Fabrication of materials with a high number of layers is challenging.
- Understanding layer number influence on material properties is crucial.
Purpose of the Study:
- To introduce and evaluate a novel quadruple-layering approach for fabricating multilayered materials.
- To investigate the impact of increasing layer numbers on film morphology and mechanical properties.
- To analyze the relationship between mechanical properties and layer count in fabricated materials.
Main Methods:
- Fabrication of multilayered materials with 4, 16, and 64 alternating layers of polypropylene and nanocomposites using a quadruple-layering technique.
- Characterization of film morphology.
- Evaluation of mechanical properties, including tensile modulus, strength, and elongation at break.
Main Results:
- The quadruple-layering approach effectively increased the number of layers rapidly.
- Increasing the number of layers significantly enhanced tensile modulus and strength.
- Elongation at break also increased with a higher layer count.
- Non-uniform layer thickness emerged as a limitation with increased layering.
Conclusions:
- The quadruple-layering technique is effective for fabricating multilayered materials with improved mechanical performance.
- Higher layer counts correlate with enhanced tensile properties.
- Layer thickness uniformity is a critical factor that needs further optimization for property enhancement.
