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Planar and Three-Dimensional Printing of Conductive Inks
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Advanced Polymer Designs for Direct-Ink-Write 3D Printing.

Longyu Li1, Qianming Lin1, Miao Tang1

  • 1Department of Chemistry, Dartmouth College, 41 College Street, Hanover, New Hampshire, 03755, USA.

Chemistry (Weinheim an Der Bergstrasse, Germany)
|May 16, 2019
PubMed
Summary
This summary is machine-generated.

Researchers explore polymer designs for direct ink writing (DIW), a 3D printing method using viscoelastic inks. This work highlights materials enabling complex structures and enhanced properties for advanced 3D printing applications.

Keywords:
3D printingdirect ink writingpolymersrheologysupramolecular chemistry

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Area of Science:

  • Polymer Chemistry
  • Materials Science
  • Engineering
  • Additive Manufacturing

Background:

  • Additive manufacturing, or 3D printing, is rapidly advancing polymer chemistry, materials science, and engineering.
  • Direct ink writing (DIW) is a 3D printing technique utilizing viscoelastic materials as inks to create intricate 3D structures at ambient conditions.

Purpose of the Study:

  • To outline polymer designs meeting the rheological demands of direct ink writing.
  • To summarize successful examples of DIW-compatible polymer systems.
  • To discuss strategies for enhancing mechanical properties and incorporating functionality into 3D printable polymers.

Main Methods:

  • Review of existing literature on polymer designs for direct ink writing.
  • Categorization of successful polymer systems based on their structural and rheological characteristics.
  • Analysis of advanced polymer designs for improved mechanical strength and functional integration.

Main Results:

  • Successful polymer designs for DIW include polymer micelles, co-assembled hydrogels, supramolecularly cross-linked systems, polymer liquids with microcrystalline domains, and hydrogels with dynamic covalent cross-links.
  • Advanced designs focus on reinforcing mechanical properties and integrating functional moieties.
  • These advancements inspire novel polymer designs for DIW and broader 3D printing applications.

Conclusions:

  • Specific polymer designs are crucial for successful direct ink writing.
  • Enhancing mechanical properties and adding functionality are key areas for future development.
  • This perspective provides a roadmap for designing advanced polymers for 3D printing.