Related Experiment Video
Updated: Nov 6, 2025
09:47
Facile Preparation of Internally Self-assembled Lipid Particles Stabilized by Carbon Nanotubes
Published on: February 19, 2016
9.8K
Pickering emulsions stabilized by spherical cellulose nanocrystals.
Hui Dong1, Qijun Ding1, Yifei Jiang1
1State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China.
Carbohydrate Polymers
|May 10, 2021
Summary
Spherical cellulose nanocrystals (S-CNCs) effectively stabilize Pickering emulsions, maintaining droplet size and exhibiting ultra-low viscosity. These S-CNCs offer robust stability across various conditions, showing promise for diverse applications.
Area of Science:
- Materials Science
- Colloid and Surface Chemistry
- Nanotechnology
Background:
- Nanocellulose is a renewable and biocompatible material gaining attention for stabilizing Pickering emulsions.
- Developing effective stabilizers is crucial for advancing emulsion technology in various industries.
Purpose of the Study:
- To synthesize and characterize spherical cellulose nanocrystals (S-CNCs).
- To evaluate the performance of S-CNCs as stabilizers for Pickering emulsions.
- To investigate the stability and properties of S-CNCs stabilized Pickering emulsions under different conditions.
Main Methods:
- Mixed acid hydrolysis of mercerized microcrystalline cellulose with ultrasonic treatment to prepare S-CNCs.
- Characterization of S-CNCs with specified diameters (30-60 nm).
- Preparation and analysis of Pickering emulsions stabilized by varying S-CNCs concentrations.
Main Results:
- S-CNCs successfully stabilized Pickering emulsions, with no increase in droplet diameter after 7 days of storage.
- Emulsions exhibited ultra-low viscosity, even at high S-CNCs concentrations (5 g/L).
- Pickering emulsions demonstrated high stability across a wide range of pH, ionic strengths, and temperatures.
Conclusions:
- S-CNCs are effective stabilizers for Pickering emulsions, offering excellent stability and low viscosity.
- The findings suggest S-CNCs are a promising new stabilizer for Pickering emulsions.
- Potential applications include biomedicine, cosmetics, and food industries.
