Functional Thermoplastic Polyurethane Elastomers with α, ω-Hydroxyl End-Functionalized Polyacrylates

Area of Science:

• Materials Science and Engineering
• Polymer Chemistry

Background:

• Thermoplastic polyurethanes (TPUs) are crucial for demanding applications like soft robotics, electronics, and medical devices.
• Conventional TPU development relies on specific soft segments, limiting performance and functionality.
• There is a need for novel TPU materials with enhanced properties such as toughness and self-healing.

Purpose of the Study:

• To introduce a novel method for developing TPU elastomers with enhanced performance and superior functionalities.
• To engineer TPUs with exceptional toughness and self-healing capabilities.
• To create the first TPU with superior elastomeric properties and photopatterning capabilities.

Main Methods:

• Synthesis of α,ω-hydroxyl end-functionalized polyacrylates via visible-light-driven photoiniferter polymerization.
• Blending of functionalized polyacrylates with conventional polyols to create novel TPU elastomers.
• Incorporation of photo-crosslinkable acrylic monomers into the TPU formulation.

Main Results:

• Achieved defect-free synthesis of functionalized polyacrylates.
• Engineered TPUs exhibiting exceptional toughness and notable self-healing capabilities.
• Developed the first TPU with superior elastomeric properties and photopatterning capabilities.

Conclusions:

• The novel approach using functionalized polyacrylates offers a new direction in polyurethane engineering.
• This method introduces a new class of soft segments for advanced TPU materials.
• The developed TPUs hold potential for a wide range of advanced applications in various fields.