2.03 Circular design for natural fibers 

Circular Design for Natural Fibers focuses on the exploration and enhancement of the use of natural fibrous by-products, natural fibrous materials, and natural fibrous wastes from local production chains (e.g. textiles, agro-industrial, breeding, forestry, etc), from companies involved in the disposal of textiles, as well as from and rediscovered local production of ‘forgotten’ fibers; it aims to the production of new materials, bio-inspired composite materials, components, semi-finished products, products, and services for the textile and clothing, furniture, and construction sectors. To do this, the aim is to implement a set of POC of TRL 3 based on 3 main areas of research: 1. Definition of local natural fiber supply and processing systems – Portfolio of scenarios for the recovery and valorization of natural fibers, waste fibrous materials, and “forgotten” fibers from the agribusiness and textile sectors (identification of natural fibers produced and discarded in different territories; definition of local supply systems) (Polito, PARTNERS); – recommendations and services for implementation and facilitation of end-of-life natural fibers and natural textiles disposal processes for reuse and recycling (Polito, PARTNERS) – hypothesis (POC) of PSS industrial symbiosis and systems between agro-industry, textiles, clothing, furniture and construction (Polito, PARTNERS) 2. New materials, products and production processes for the textile & clothing sector, for the furniture industry, and the construction – Portfolio solutions for natural textile and fibers waste reuse and recycling (Polito, PARTNERS); – Products and semi-finished products from recovered fibrous materials and “forgotten natural fibers” (e.g., willow, hemp, papyrus, wool,rye, marsh reed, etc) (Polito, PARTNERS); – Processes for transforming waste into new materials with low environmental impact (Polito and PARTNERS); – Surface functionalisation processes of the natural fibers in order to increase performance with the aim of increasing the value (Università di Firenze and PARTNERS); Samples production and evaluation of their performances (Polito, Università di Firenze, and PARTNERS); 3. Evaluation, valorization, scaling and dissemination of results – scenarios of possible uses of new developed materials in the different aforementioned sectors; – Assessing the effectiveness of circularity through LCC and LCA, also considering potential social/economic/environmental/market aspects of projects and results (Politecnico di Torino and PARTNERS) – local enhancement implementation scenarios of results at different geographical scales (Politecnico di Torino and PARTNERS). – Communication strategies and actions for dissemination of results (Politecnico di Torino and PARTNERS) The outcomes expected from the three areas of research/project aim to identify discarded fibrous materials from production chains that are not directly involved in the production of virgin fibrous material and to exploit them, according to their physicochemical properties, in the textile, furniture, and construction sectors. Since these by-products would be produced anyway, what is intended to be encouraged is their exploitation in order to partly replace the use of virgin fibrous raw materials and partly replace the use of synthetic materials in the various production sectors mentioned above. This could bring an economic and environmental advantage to the companies supplying the by-products and would reduce the environmental impact as it would avoid, in part, the intensive production of virgin raw material. The design of new materials, semi-finished products and products aims to identify and provide a range of concrete and sustainable solutions for reusing fibrous waste. On the one hand, it is intended to devise, develop and test the material and technical feasibility of the same, and on the other hand, it aims to identify the technologies and production processes needed to make them. This will include the development of new functionalisation processes to increase the fibers’ value by integrating them within composite materials, also by making use of new adhesives obtained from the valorisation of biomass. What is also intended to be tested is the economic sustainability by companies of such new production processes. With regard to “forgotten” fibrous crops that are specific to certain territories, we believe that their reactivation can foster the reemergence of non-intensive local productions that are more closely linked to the specificities of the territories, which could have a positive impact on local economies. Fostering local production systems also aims to enhance territorial cultures and recover traditional knowledge, producing social resilience and environmental impacts in terms of better care of marginal places and territories.