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Poly(butylene succinate)/cellulose composite monofilaments with microelastic response based on interfacial bonding
Yang Zhang1, Shiqiang Cui1, He Liao2
1College of Materials Science and Engineering, Donghua University, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai 201620, China.
Carbohydrate Polymers
|January 5, 2023
Summary
Researchers developed biodegradable poly(butylene succinate)/microcrystalline cellulose (PBS/MCC) composite monofilaments using a solvent-free method. These advanced fibers resist deformation and enhance biodegradability, offering a sustainable solution for textiles.
Area of Science:
- Materials Science
- Polymer Science
- Textile Engineering
Background:
- Biodegradable fibers are crucial for sustainable textiles but often suffer from excessive plastic deformation.
- Developing advanced fibers with improved mechanical properties and controlled degradation remains a significant challenge.
Purpose of the Study:
- To engineer novel biodegradable composite monofilaments with enhanced dimensional stability and accelerated degradation.
- To investigate the effects of microcrystalline cellulose (MCC) on the properties of poly(butylene succinate) (PBS) fibers.
Main Methods:
- A solvent-free melt spinning technique was employed to fabricate poly(butylene succinate)/microcrystalline cellulose (PBS/MCC) composite monofilaments.
- Multi-stage and high-ratio hot stretching were applied to modify the fiber structure and properties.
- The mechanical behavior and biodegradability of the composite monofilaments were evaluated.
Main Results:
- The incorporation of MCC effectively limited the plastic deformation of PBS, attributed to MCC's rigidity and in-situ formed hydrogen bonds.
- Composite monofilaments exhibited double yielding behavior and a microelastic response, demonstrating resistance to permanent deformation under small strains.
- Enhanced biodegradability was observed for MCC-containing composite monofilaments after soil burial for 60 days.
Conclusions:
- The developed PBS/MCC composite monofilaments offer a promising strategy for creating dimensionally stable and rapidly biodegradable textile materials.
- This research provides a pathway for designing advanced biodegradable fibers suitable for demanding applications and improved end-of-life management.
