Material

Sodium alginate

By

Made in

Biodegradable 285 Bioplastic 90 Circular 269 Recyclable 152 Textile 122 Alginic acid 21 Calcium chloride 7

Sodium alginate
Sodium alginate
Sodium alginate
Sodium alginate
Sodium alginate
Sodium alginate

Photos: Jason Lin, Nena Ellermann

Kel[p]eel

Alginate, along with cellulose, is a primary component of algae. When extracted, alginate provides a versatile foundation for a wide range of flexible materials such as yarns, nets, and films. Its properties can be adjusted through variations in material thickness, transparency, colour, geometry, and surface texture, allowing for diverse sensory, visual, and technical qualities to emerge.

The aim of Nena Ellermann’s project Kel[p]eel is to create a sustainable alternative to petroleum-based materials by building on insights from prior material experiments. The project explores the textile potential of alginate-based substances and investigates how they can be integrated into conventional garment-making processes. To demonstrate this potential, two garments were produced, showcasing the material’s compatibility and interplay with traditional textiles.

By merging scientific experimentation with textile design, Kel[p]eel contributes to the ongoing development of environmentally friendly materials and seeks to reduce the ecological impact of textile production. Alginate offers numerous benefits—biodegradability, renewability, and a unique aesthetic language—which position it as a promising resource for shaping a more sustainable future. The project invites further exploration of how such bio-based materials can transform both the practice and perception of textile design.

Making process

Alginate Yarn:
A calcium chloride solution is prepared by mixing calcium chloride with water in a 1:10 ratio. Alginate is then injected into this solution using a syringe, forming a biobased filament that resembles yarn. Once formed, this filament can be collected and further processed as a textile material.

Alginate Surface:
Alginate is poured onto a smooth surface, where it can either spread naturally or be shaped with a scraper for a more controlled form. After a short setting period, the alginate gel is sprayed with a calcium chloride solution. This crosslinking reaction solidifies the gel into a stable, flexible surface with a leather-like texture.

Text submitted by the maker and edited by the Future Materials Bank. For information about reproducing (a part of) this text, please contact the maker.

Ingredients

Sodium Alginate, Calcium chloride, Sheep wool

Credits

Models: Kristina Jurk, Emilie Pesch