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Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery

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Custom 3D Printable Silicones with Tunable Stiffness.

Matthew M Durban¹, Jeremy M Lenhardt¹, Amanda S Wu¹

¹Lawrence Livermore National Laboratory, Livermore, CA, 94550, USA.

Macromolecular Rapid Communications

|December 7, 2017

Summary

This summary is machine-generated.

Researchers developed custom 3D printable silicone inks with tunable stiffness for advanced applications. This innovation allows precise control over material properties, enhancing performance in areas like soft robotics and biomedical devices.

Keywords:

3D printing additive manufacturing silicones tunable stiffness

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Area of Science:

Materials Science
Polymer Chemistry
Additive Manufacturing

Background:

Silicone elastomers offer versatile properties for advanced applications.
Developing printable silicone materials with tunable mechanical properties presents challenges.

Purpose of the Study:

To develop and characterize custom 3D printable silicone inks with tunable stiffness.
To demonstrate control over ink chemistry, network formation, and crosslink density for tailored material properties.

Main Methods:

Formulation and characterization of novel silicone ink compositions.
Rheological analysis to assess printability and ink behavior.
3D printing of porous structures with controlled architectures.

Main Results:

Successfully developed silicone inks with excellent rheological properties for 3D printing.
Demonstrated the ability to precisely tune the stiffness of silicone materials.
Achieved controlled printing of complex porous structures.

Conclusions:

Custom silicone inks offer a viable solution for advanced material applications requiring tunable stiffness.
Precise control over ink formulation enables overcoming challenges in developing high-performance printable elastomers.
This work facilitates the creation of sophisticated soft robotics, biomedical devices, and metamaterials.