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Self-Made Cyclodextrin Inclusion Complexes for Enhanced Mechanical Properties of Polycaprolactone Composites
Yanji Yin1, Xiaotong Wang1, Jiayan Zhang1
1Key Laboratory of Materials and Surface Technology (Ministry of Education), School of Materials Science and Engineering, Engineering Research Center of Intelligent Air-Ground Integration Vehicle and Control, Xihua University, Chengdu 610039, China.
Polymers
|April 12, 2025
Summary
Biodegradable cyclodextrin (CD) inclusion complexes enhance polycaprolactone (PCL) composites. This improves PCL
Area of Science:
- Biomaterials Science
- Polymer Chemistry
Background:
- Polycaprolactone (PCL) is a versatile biodegradable polymer for biomedical uses.
- Limitations exist in single-component PCL devices for advanced applications.
Purpose of the Study:
- To enhance PCL properties using cyclodextrin (CD) inclusion complexes.
- To investigate the impact of PCL molecular weight and CD type on composite performance.
Main Methods:
- Fabrication of CD-LPCL inclusion complexes.
- Incorporation of complexes into commercial PCL to form composites.
- Systematic investigation of properties and inclusion ratios.
Main Results:
- The LPCL (Mw = 8 × 10⁴) and α-CD complex showed the highest inclusion ratio (2:1).
- The PCL/8-α-CD composite exhibited a 14.8% increase in crystallinity.
- Tensile strength and elongation at break improved by 63.6% and 30.9%, respectively.
Conclusions:
- CD inclusion complexes significantly enhance PCL's crystallization and mechanical properties.
- This approach offers a promising route for developing high-performance PCL-based biomedical materials.
