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Imperial student Nicole Stjernswärd is using plant waste to make natural powder pigments that can be used in paints, inks or textiles.
history, colors came from plants and minerals, but with the beginning of industrialization, cheap petrified colors became the norm, but at the expense of the environment. Most consumer colors now come from petrochemicals, but as global concerns about sustainability grow, Nicole believes pigments should change
. Nicole is a student of the Master of Innovative Design Engineering programme, jointly organized by Imperial College London and the Royal College of Art.
high-value resources
many plants and fruits eaten daily, such as avocados, onions and pomegranates, have valuable colors in the skin and peel. Usually these rot in landfills, but KAIKU converts these wastes into high-value resources. KAIKU's color production machines convert vegetable dyes into paintable pigments, allowing users to create custom colors and have complete control over color sources. Add the vegetable dye to the machine's storage and evaporate to dry powder. This process takes a few minutes and produces pigments for paints, inks and textiles that can be used by traditional artists.
unique natural pigment
according to its treatment, natural plant colors can fade in just a few months, making it ideal for short-term use of items. Items that take longer can be re-dyed or recolored as needed. Each batch of natural pigments is unique and is affected by the growth conditions of the plants used, such as one batch of avocado pigments that differ slightly from another. This makes mass-produced products feel more manual and unique, and allows for numerous applications.
' inspiration for the project began with paints, which used to be more natural but are now made mainly from synthetic derivatives and chemicals. Then she met textile designers who talked about wanting to use more natural dyes, but found that they had to be used quickly when moldy. Nicole says her system is easier to use and has a better shelf life. "The project uses old knowledge that people may have forgotten and uses new technologies," she said. "
