Grup de Recerca A3 Leather Innovation Center
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L'A3 Leather Innovation Center és un grup de recerca de la Universitat de Lleida (UdL), especialitzat en la cadena de producció de la pell. Les seves instal·lacions estan ubicades al Campus Universitari Igualada - UdL, a Igualada (Barcelona). La recerca de l’A3 Center es focalitza en la innovació, la qualitat i el medi ambient fent èmfasi en la sostenibilitat dels processos de fabricació i en l'aplicació de noves tecnologies i materials avançats. [Més informació].
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Exploring the feasibility of substituting mimosa tannin for pine bark powder. A LCA perspective
(2022)The use of vegetable tannins is a bio-based alternative to chrome tanning. The most used vegetable extracts are Mimosa and Quebracho. To improve the sustainability of the tanning process, a chemically unmodified pine bark ... -
Analysis of the environmental impacts of waterproofing versus conventional vegetable tanning process - A life cycle analysis study
(Elsevier, 2021-10-11)Waterproofed vegetable leather is desired for its 'greenness' in front of chromium-tanned waterproofed leather. However, conferring waterproofing capabilities to vegetable tanned leather maintaining light color and a soft ... -
Study of the impact on occupational health of the use of polyaziridine in leather finishing compared with a new epoxy acrylic self-crosslinking polymer
(Elsevier, 2021-02-16)The leather industry needs innovative products to meet the continued demands of the global market. To achieve a good performance in the finishing operation, crosslinking of the polymers used in this leather production stage ... -
Evaluation of a new sustainable continuous system for processing bovine leather
(Elsevier, 2015-08)The aim of the present work is to evaluate a new sustainable continuous system for processing bovine leather. By means of a prototype described in the international patent WO, 2010/070571 (A2) of the technological centre ... -
Formaldehyde scavengers for cleaner production: A case study focused on the leather industry
(Elsevier, 2018-06)Due to its carcinogenic character, the presence of formaldehyde in leather continues to be a subject of great concern. By using formaldehyde scavengers, it is possible to reduce the formaldehyde content in leather. In this ... -
Application of highly carboxylate resins in aqueous emulsion for leather coating avoiding the use of isopropyl alcohol
(Elsevier, 2016-08)Today, the first stages of the finishing processes of buffed cattle hides or full loose grain–known as impregnation–are largely carried out with acrylic resins and penetrating agents (typically, a mixture of surfactants ... -
Aplicación de taninos sostenibles con baja huella de carbono
(Asociación Química Española de la Industria del Cuero, 2014)Hoy estamos viviendo un "boom ecológico", lo que significa el desarrollo de procesos con un menor impacto ambiental, haciéndolos lo más ecológico posible. Esa es la razón de llevar a cabo este trabajo, tratar de utilizar ... -
Determinación de pesos moleculares de los ácidos húmicos por crioscopía en fase estacionaria
(Asociación Química Española de la Industria del Cuero, 2013)En este trabajo se estudian los pesos moleculares de los ácidos húmicos para determinar su capacidad para penetrar dentro de la piel y su posterior unión química entre fibras. La determinación del peso molecular se ha ... -
Desarrollo de productos a partir de Caesalpinia spinosa
(Asociación Química Española de la Industria del Cuero, 2016)En estudios anteriores se han desarrollado modificaciones químicas y físicas para obtener una tara modificada con un mayor porcentaje de taninos y con una mejor capacidad de penetración y fijación en cuero mediante una ... -
Olipo-wet olive pomace, a new renewable source for leather retanning
(ICAMS; CERTEX, 2020-10)The aim of OLIPO project is to find suitable extraction methods for an important waste of olive oil production, wet olive pomace, in view of reclaiming it as tanning and retanning material, alternative to petroleum origin ... -
Synthesis of polyurethanes with low volatile organic Compounds content for upholstery and automotive Articles
(ICAMS; CERTEX, 2020-10)The manufacture of upholstery and automotive articles is linked to the release of Volatile Organic Compounds (hereinafter VOCs) during their manufacture, which have short and long-term effects on the health of users and ...