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Updated: Jul 12, 2025
10:22
Designed for Molecular Recycling: A Lignin-Derived Semi-aromatic Biobased Polymer
Published on: November 30, 2020
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Cellulose-based polypropoxy ether carboxylates as highly compatible, effective, and migration-resistant plasticizers
Jihuai Tan1, Min Yu1, Tongtong Zhang2
1College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, People's Republic of China.
International Journal of Biological Macromolecules
|October 27, 2023
Summary
Highly compatible cellulose derivatives, cellulose-based polypropoxy ether carboxylates (CPPEC), significantly enhance polylactic acid (PLA) properties. This innovation improves PLA
Area of Science:
- Polymer Science
- Materials Science
- Biomaterials Engineering
Background:
- Cellulose enhances polylactic acid (PLA) strength, but poor interfacial compatibility limits application.
- Developing compatible cellulose derivatives is crucial for advanced PLA composites.
Purpose of the Study:
- To synthesize highly compatible cellulose-based polypropoxy ether carboxylates (CPPEC) for PLA enhancement.
- To investigate the effects of CPPEC on PLA's mechanical, low-temperature, and migration resistance properties.
Main Methods:
- Cellulose was modified via propoxylation and subsequent esterification with acetic, butyric, and oleic acids.
- The synthesized CPPEC was blended with PLA to create composite materials.
- Mechanical testing, low-temperature resistance evaluation, and migration resistance assays were performed.
Main Results:
- Cellulose-based polypropoxy ether acetate (CPPEA) significantly improved PLA's elongation at break (630.9%) and low-temperature resistance (146.3%).
- PLA/CPPEA exhibited superior migration resistance compared to PLA with epoxidized soybean oil and dioctyl phthalate.
- The synergistic effect of propyl and methyl groups in CPPEC enhanced PLA matrix compatibility.
Conclusions:
- CPPEC demonstrates excellent performance enhancement for PLA.
- The developed CPPEC is suitable for large-scale industrial applications in the PLA sector.
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