Biodegradable Ink for Self-Decomposing Products
Researchers have developed a 'living' ink that decomposes polymer substrates, reducing textile waste. This innovation involves fungi-based inks that work with polymer decomposers to break down printed materials at the end of their life cycle.
The GROWinK project uses ink as a carrier for biodegradation, rather than relying on biodegradable fibers. Materials researcher Peerasin Punxh Hutaphaet has created inks that encapsulate the bacteria Bacillus subtilis, which activates in certain environments, such as landfills, to decompose the substrate.
The dormant spores activate with the correct conditions in humidity, pH, temperature and microbes, and proceed to break down the substrate.
- The ink is designed to work with existing soil microbes to continue the decomposition process.
- The goal is to reduce the global textile waste problem by creating self-decomposing products.
Author's summary: Fungi-based inks enable self-decomposing products.
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