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Related Experiment Video

Updated: May 4, 2026

Microwave-assisted Functionalization of Polyethylene glycol and On-resin Peptides for Use in Chain Polymerizations and Hydrogel Formation

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Published on: October 29, 2013

Controlled Disassembly of Poly(methyl acrylate) Microparticle-Based Polymers using Ethanol-Water Mixtures.

Takuma Kureha¹, Yuma Sasaki², Yusuke Shinozaki²

¹Department of Frontier Materials Chemistry, Graduate School of Science and Technology, Hirosaki University, 3 Bunkyo-cho, Hirosaki, Aomori 036-8561, Japan.

Langmuir : the ACS Journal of Surfaces and Colloids

|September 3, 2025

Summary

This study shows how to disassemble microparticle-based polymer films using mild conditions like ethanol-water solutions. This method offers a promising route for environmentally friendly, closed-loop polymer recycling without material degradation.

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Published on: June 20, 2019

Area of Science:

Materials Science
Polymer Chemistry
Sustainable Engineering

Background:

Controlling polymer degradation is crucial for eco-friendly recycling without material deterioration.
Current recycling methods often involve harsh conditions or result in material breakdown.

Purpose of the Study:

To investigate the disassembly of microparticle-based polymer films into individual microconstituents.
To identify mild conditions for polymer disassembly without chemical reactions.
To explore a novel approach for closed-loop polymer recycling.

Main Methods:

Investigated disassembly under mild conditions (low temperature, aqueous ethanol solutions).
Utilized light-scattering and molecular-dynamics calculations to understand disassembly mechanisms.
Analyzed thermally annealed samples using small-angle X-ray scattering (SAXS) and atomic-force microscopy (AFM).

Main Results:

Disassembly is controlled by microparticle solvation and assembled structures.
Optimal ethanol-water volume fractions accelerate disassembly.
Thermal annealing alters nanostructures, influencing disassembly behavior.
Successful disassembly achieved without chemical reactions.

Conclusions:

Microparticle-based polymer films can be disassembled under mild, aqueous conditions.
This approach offers a promising platform for closed-loop materials recycling.
The findings contribute to alleviating environmental issues from excessive polymer use.