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Mesoscale Block Copolymers.

Dylan M Barber1, Alfred J Crosby1, Todd Emrick1

  • 1Department of Polymer Science and Engineering, University of Massachusetts, Amherst, Amherst, MA, 01003-9263, USA.

Advanced Materials (Deerfield Beach, Fla.)
|January 31, 2018
PubMed
Summary
This summary is machine-generated.

Scientists created new mesoscale polymers using light-triggered chemical reactions. This method allows for precise control over polymer structure, mimicking natural materials for advanced applications.

Keywords:
flow coatinghelicesmesoscale block copolymersribbonssolution assembly

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Area of Science:

  • Polymer Science
  • Materials Science
  • Nanotechnology

Background:

  • Nature utilizes mesoscale building blocks for hierarchical structures with superior properties.
  • Synthetic mesoscale materials offer tunable conformational control for enhanced bulk properties like toughness and modulus.
  • Developing novel materials designs is crucial for achieving precise structural control in synthetic systems.

Purpose of the Study:

  • To develop a method for fabricating synthetic mesoscale polymers with controlled architectures.
  • To explore the self-assembly of these polymers into complex structures.
  • To provide a platform for creating advanced materials inspired by natural hierarchical designs.

Main Methods:

  • Solution fabrication of functional polymers incorporating photoinduced chemical triggers.
  • Photopatterning to create mesoscale block copolymers with alternating chemical segments.
  • Dispersion in selective solvents to induce segment-specific helical self-assembly.

Main Results:

  • Successfully prepared mesoscale polymers with distinct, alternating chemical segments.
  • Demonstrated the formation of helical architectures in solution, resembling block copolymers at an optically observable scale.
  • Established a controllable method for generating defined mesoscale geometries.

Conclusions:

  • The developed photopatterning approach enables precise structural control in mesoscale polymer fabrication.
  • This technique offers a versatile platform for creating complex polymer architectures.
  • The findings pave the way for designing synthetic materials with properties comparable to natural hierarchical structures.