**Author details**

*Waste in Textile and Leather Sectors*

**Acknowledgements**

sector presents itself as an attractive alternative.

characteristics. The most recent innovations and developments in this area were listed and presented, showing a novel possible way for the development of technical and functional textiles. The main potential applications for the valorization of whey protein by the production of textile fibres have been described, as well as by its application as a textile finish. The different applications already tested and the main products already available on the market for sustainable alternatives to produce genuine leather were also listed. Although these types of applications at an industrial level have some limitations, as cost-effectiveness ratio, permanence of the intrinsic properties of the substrates and durability to the laundering, for example, the reuse of these natural by-products and wastes as a bio-resource in the demanding textile

The mobilizing project TexBoost—less Commodities more Specialties (no 24523), in PPS 5, sustainability and circular economy, a project co-financed by COMPETE 2020—Operational Program for Competitiveness and Internationalization—and in

Portugal 2020 through the European Regional Development Fund (ERDF).

**120**

Lorena Coelho1 \*, Ana Isabel Magalhães1 , Sara Fernandes1 , Patrícia Batista2 , Manuela Pintado2 , Pedro Faria1 , Catarina Costa1 , Bruna Moura1 , Augusta Marinho3 , Rosa Maria3 , Albertina Reis4 , Marta Carvalho4 , Mário Marques4 , Ângela Teles4 , José De Almeida Morgado3 , Maria Helena Vilaça<sup>3</sup> , Jéssica Alexandra Pereira<sup>3</sup> , Pedro José Magalhães5 , Ana Sofia Silva<sup>5</sup> , Ricardo Jorge Silva5 , Mário Jorge Silva5 , Vera Lúcia Sá6 , Sandra Gabriela Ventura7 , João Silva Abreu7 , Joaquim Manuel Gaião8 , Raquel Rosa Mourão8 , Fernando Manuel Merino9 , Mónica Sofia Gonçalves9 and Regina Malgueiro1

1 Centre of Nanotechnology and Smart Materials (CeNTI), Vila Nova de Famalicão, Portugal

2 Associated Laboratory of Faculty of Biotechnology of the Catholic University of Portugal (ESB-UCP), Centre of Biotechnology and Fine Chemistry (CBQF), Porto, Portugal

3 Technological Centre for the Textile and Clothing Industries of Portugal (CITEVE), Vila Nova de Famalicão, Portugal

4 Riopele—Têxteis SA, Av. Pousada de Saramagos, Portugal

5 Tintex—Textiles SA, Vila Nova de Cerveira, Portugal

6 Sedacor-Sociedade Exportadora De Artigos De Cortiça Lda, São Paio de Oleiros, Portugal

7 Têxteis Penedo, SA, Mascotelos, Portugal

8 Technological Centre for the Leather Industry (CTIC), Alcanena, Portugal

9 Ert Têxtil Portugal, SA, São João da Madeira, Portugal

\*Address all correspondence to: lcoelho@centi.pt

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
