Direct synthesis of ordered mesoporous materials from thermoplastic elastomers

Area of Science:

• Materials Science and Engineering
• Nanotechnology
• Polymer Chemistry

Background:

• Ordered mesoporous materials are crucial for nanotechnology but conventional templating methods face limitations in cost, solvent use, and pore size control.
• Scalable and economical manufacturing of these materials is essential to realize their full potential.

Purpose of the Study:

• To develop a new, scalable manufacturing platform for ordered mesoporous materials.
• To overcome the limitations of traditional templating methods using low-cost precursors.

Main Methods:

• Direct pyrolysis of crosslinked thermoplastic elastomer-based block copolymers.
• Selective crosslinking of olefinic phases via sulfonation reactions.
• Controlled decomposition of minority blocks to form ordered mesopores.

Main Results:

• Successful synthesis of ordered mesoporous polymers, carbons, and silica using the novel platform.
• Obtained sulfur-doped carbon materials with large mesopores and tailorable pore textures.
• Demonstrated scalability and cost-effectiveness compared to conventional methods.

Conclusions:

• The direct pyrolysis of crosslinked block copolymers offers a versatile and efficient route to advanced mesoporous materials.
• This method enables the production of tailored mesoporous carbons with potential applications in catalysis, energy storage, and beyond.
• The approach significantly advances the accessibility and applicability of ordered mesoporous materials in nanotechnology.