Ultrafast Digital Printing toward 4D Shape Changing Materials.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 27936286.
- Also identified by DOI 10.1002/adma.201605390.
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Abstract
Ultrafast 4D printing (<30 s) of responsive polymers is reported. Visible-light-triggered polymerization of commercial monomers defines digitally stress distribution in a 2D polymer film. Releasing the stress after the printing converts the structure into 3D. An additional dimension can be incorporated by choosing the printing precursors. The process overcomes the speed limiting steps of typical 3D (4D) printing.