Low carbon products to design innovative leather processes. Part III: optimization of an eco-friendly formulation using tara
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Document typeArticle
Defense date2015-09-01
Rights accessRestricted access - publisher's policy
Abstract
The aim of this work was to design a new pretanning formulation by using the fruit of the Tara tree (Caesalpinia Spinosa) as the sole source of vegetable tannin. The innovative aspect of this work embodies a new-tailored tara product which gave its tannin the enhanced ability to readily penetrate the leather cross section, and thus made it unnecessary for the tanner to add aldehydes, syntans, other common vegetable tannins and mineral salts.; Specifically, physical modifications had been developed in part II of this broad study to obtain a modified tara with a higher percentage of tannins and with a better ability to penetrate/fix in leather by sieving and milling (see Low carbon products to design innovative leather processes. Part 1: determination of the optimal chemical modification of tara(1) and Low carbon products to design innovative leather processes. Part II: determination of the optimal physical modification of tara)(2) We developed in this work an innovative, eco-friendly and optimal wet white formulation which has a maximum offer to leather of 9% modified tarn and a maximum 2% naphthalene sulphonic syntan dispersing agent.
CitationBacardit, A., Díaz, J., Casas, C., Olle, L. Low carbon products to design innovative leather processes. Part III: optimization of an eco-friendly formulation using tara. "Journal of the American Leather Chemists Association", 1 Setembre 2015, vol. 110, núm. 9, p. 302-309.
ISSN0002-9726
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