Related Experiment Video
Updated: Jul 19, 2025
07:08
Solution Blow Spinning of Polymeric Nano-Composite Fibers for Personal Protective Equipment
Published on: March 18, 2021
2.8K
Active Cellulose Acetate/Chitosan Composite Films Prepared Using Solution Blow Spinning: Structure and Electrokinetic
Ana Kramar1,2, Thomas Luxbacher3, Nasrin Moshfeghi Far1
1Department of Materials Science and Engineering and Chemical Engineering, Universidad Carlos III de Madrid, Avda. Universidad 30, 28911 Leganés, Spain.
Polymers
|August 12, 2023
Summary
Cellulose acetate (CA) and chitosan (CS) composite films were created using solution blow spinning. These novel films exhibit enhanced properties for food packaging and resist protein adsorption, potentially preventing biofilm formation.
Area of Science:
- Materials Science
- Polymer Chemistry
- Biomaterials Engineering
Background:
- Cellulose acetate (CA) is a promising biopolymer for food packaging due to its film-forming capabilities.
- Incorporating other compounds like chitosan (CS) can enhance the functionality of CA-based materials.
- Developing advanced food packaging requires materials with improved physical and anti-biofouling properties.
Purpose of the Study:
- To prepare and characterize cellulose acetate/chitosan (CA/CS) composite films using the solution blow spinning (SBS) method.
- To evaluate the impact of varying CA and CS concentrations and solvent systems on film properties.
- To assess the anti-biofouling potential of CA/CS films by studying protein adsorption.
Main Methods:
- Solution blow spinning (SBS) was employed to fabricate CA/CS composite films.
- Characterization included physical properties, surface roughness, porosity, wettability (contact angle), chemical structure (FTIR), and electrokinetic properties (zeta potential).
- Bovine serum albumin (BSA) adsorption kinetics were studied to evaluate protein interaction.
Main Results:
- SBS successfully produced CA/CS films with high water vapor permeability, high porosity, and increased water contact angles compared to pure CA films.
- Chitosan inclusion shifted the isoelectric point (IEP) of the composite films to higher pH values.
- CA/CS films demonstrated low affinity for BSA, indicating resistance to protein adsorption and potential for biofilm prevention.
Conclusions:
- Solution blow spinning is an effective method for creating cellulose acetate/chitosan composite films with tunable properties.
- The developed CA/CS films offer enhanced physical characteristics suitable for advanced food packaging applications.
- The observed low protein adsorption suggests these composite films can inhibit biofilm formation, a critical factor for food safety and packaging longevity.
