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Tara (Caesalpinia spinosa): The sustainable source of tannins for innovative tanning processes
Castell, Joan Carles; Sorolla Casellas, Sílvia; Jorba, Montse; Aribau, Joaquim; Bacardit Dalmases, Anna; Ollé Otero, Lluís
Universitat Politècnica de Catalunya. Departament d'Enginyeria Química
This study considers the fruit of the tara tree as a sustainable source for tanning agents and proposes alternatives to the commercial mineral salts and vegetable extracts to comply with environment and social concerns. Although tara tannins have been used in the leather industryand its properties are well known, the work aims to optimize formulations using tara as a pretanning agent. Combinations with a naphthalene sulphonic syntan are used to obtain an innovative wet-white recipe considering shrinking temperature, tensile strength, tensile elongation, tear load and lightfastness properties as statistical variables.
2012-05-11
Àrees temàtiques de la UPC::Enginyeria química::Indústries químiques::Química tèxtil
Hides and skins
Leather--Congresses
Tanning--Congresses
Cuirs i pells -- Conservació
Cuirs i pells -- Anàlisi
Open Access
Conference Object
         

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