With conventional3D printing inks, you have to do what’s known as post-curing.
For it to cure, it only needs room temperature salt water.
PNIPAM has long been used by the pharmaceutical industry in drug delivery systems.
The circuit was then recycled by being submerged in freshwater, where it dissolved.
This offers a simple and environmentally friendly approach to recycle polymer materials.
Source:Nature CommunicationsviaTom’s Hardware
Jonathan Cooper / Pexels
Nature Communications