Related Experiment Video
Updated: Jan 29, 2026
06:15
Preparation of Binary and Ternary Deep Eutectic Systems
Published on: October 31, 2019
12.7K
Sustainable Waterborne Polylactide Coatings Enabled by Hydrophobic Deep Eutectic Solvents Plasticization
Denys Baklan1, Victoria Vorobyova2, Olena Sevastyanova3
1Department of Chemical Technology of Composite Materials, Chemical Technology Faculty, Igor Sikorsky Kyiv Polytechnic Institute, Beresteiskyi Ave. 37, 03056 Kyiv, Ukraine.
Polymers
|January 28, 2026
Summary
Researchers developed water-dispersible polylactide (PLA) particles for low-temperature film formation. This innovation significantly reduces the minimum film formation temperature (MFFT) for sustainable, energy-efficient coatings.
Area of Science:
- Materials Science
- Polymer Chemistry
- Sustainable Coatings
Background:
- Polylactide (PLA) is a biodegradable polymer with potential for coatings.
- High film formation temperatures limit PLA's application in waterborne systems.
- Developing low-temperature, sustainable PLA coatings is crucial for energy efficiency.
Purpose of the Study:
- To create water-dispersible polylactide (PLA) particles for low-temperature film formation.
- To investigate the effect of particle size and plasticizers on film formation temperature.
- To explore the integration of bio-derived fillers into PLA coatings.
Main Methods:
- Fabrication of water-dispersible PLA particles using mechanical dispersion and ultrasonication.
- Reduction of particle size from ~2.2 µm to ~140 nm.
- Evaluation of conventional and bio-based plasticizers, including hydrophobic deep eutectic solvents (HDESs).
- Assessment of plasticizer compatibility using Hansen solubility parameters and glass transition temperature suppression.
- Incorporation of micro-sized cellulose fibers into PLA formulations.
Main Results:
- Stable PLA dispersions achieved with significantly reduced MFFT (from 128 °C to 80 °C).
- Combination of submicron PLA particles and plasticizers enabled film formation as low as 48 °C.
- Successful incorporation of cellulose fibers from agricultural residues into waterborne PLA coatings.
- First-time reporting of water-insoluble deep eutectic solvents as plasticizers for PLA coatings from water dispersions.
Conclusions:
- Developed a method for producing water-dispersible PLA particles suitable for low-temperature film formation.
- Demonstrated the potential for energy-efficient coating technologies using tailored PLA dispersions and plasticizers.
- Established a foundation for sustainable, low-VOC, and low film formation temperature PLA-based coating materials.
- Showcased the feasibility of using bio-derived fillers in waterborne PLA formulations.
Related Concept Videos
01:43Sustainable Development
15.1K
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
15.1K
01:12Solvents
70.8K
A solvent is a substance, most often a liquid, that can dissolve other substances. Here, the substance being dissolved is called a solute. When a solvent and a solute combine, they form a solution - a homogenous mixture of both the solvent and the solute. Water is a universal biological solvent. Its polar structure allows it to dissolve many other polar compounds. The ability of water to dissolve is governed by a balance between water molecules binding to each other and binding to the solute.
A...
A...
70.8K
00:58Plasticity
3.1K
Plasticity is the property where an object loses its elasticity and undergoes irreversible deformation, even after the deformation forces are eliminated. If a material deforms irreversibly without increasing stress or load, then this is called ideal plasticity. For example, when a force is applied to an aluminum rod, it changes its shape, but it does not return to its original shape once the force is removed. Plastic deformation or ductility is thus a permanent deformation or change in the...
3.1K
01:31Plasticizers
365
Water-reducers, or plasticizers, are chemical admixtures used in concrete to improve strength and workability. These additives reduce the water-cement ratio without compromising workability, lower the cement content while maintaining the same workability, or increase workability to assist concrete placement in inaccessible areas.
Plasticizers function by using surface-active agents to create repulsive electrostatic forces between cement particles. This dispersion enhances the concrete's...
Plasticizers function by using surface-active agents to create repulsive electrostatic forces between cement particles. This dispersion enhances the concrete's...
365
01:16Titration in Nonaqueous Solvents
1.4K
Most acid-base titrations are performed in an aqueous medium. In aqueous titrations, water competes with weaker acids or bases for proton donation or acceptance, leading to ambiguous endpoints in the titration curve. Water also affects the partial ionization of weak acids or bases. For example, water accepts a proton from acetic acid to form hydronium and acetate ions. The hydronium ion formed is a stronger acid than acetic acid, and the acetate ion is a stronger base than water. As a result,...
1.4K
01:21Plastic Behavior
562
A material's elastic behavior is characterized by the disappearance of stress once the load is removed, allowing the material to return to its original state. However, when stress surpasses the yield point, yielding commences, marking the onset of plastic deformation or permanent set. This change from elastic to plastic behavior is influenced by the peak stress value and the duration before the load is removed. An intriguing observation occurs when a specimen is loaded, unloaded, and...
562