2005
DOI: 10.1590/s0104-14282005000200008
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Natural rubber: leather composites

Abstract: Leather is a fibrous protein consisting of collagen in a three dimensionally crosslinked network. Chrome tanning of leather improves the appearance of leather but at the same time emits both solid and liquid chrome leather wastes. Scrap rubber recycling using untreated and neutralized leather fibrous particles in natural rubber has been studied. Vulcanization, mechanical, morphological and swelling properties of the natural rubber - scrap rubber composites containing neutralized leather have been discussed. Us… Show more

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Cited by 31 publications
(40 citation statements)
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“…Use of leather in rubber formulations is then bound to affect the vulcanization characteristics and vulcanisate properties of the rubber significantly as it is a biomaterial with many reactive functional groups present in it, apart from large quantities of trivalent chromium. Natural rubber-scrap rubber vulcanisates containing untreated leather particles reduces the vulcanization characteristics and mechanical properties of the compound, but improves the incorporation and higher amount of loading of scrap rubber [9]. In this article, the effect of untreated leather particles on the mechanical and swelling properties of natural rubber composites has been investigated.…”
Section: Introductionmentioning
confidence: 99%
“…Use of leather in rubber formulations is then bound to affect the vulcanization characteristics and vulcanisate properties of the rubber significantly as it is a biomaterial with many reactive functional groups present in it, apart from large quantities of trivalent chromium. Natural rubber-scrap rubber vulcanisates containing untreated leather particles reduces the vulcanization characteristics and mechanical properties of the compound, but improves the incorporation and higher amount of loading of scrap rubber [9]. In this article, the effect of untreated leather particles on the mechanical and swelling properties of natural rubber composites has been investigated.…”
Section: Introductionmentioning
confidence: 99%
“…Las reometrías de vulcanización de los compuestos elaborados con los residuos de cuero neutralizados con las soluciones anteriormente descritas, muestran un aumento en el torque máximo alcanzado, siendo los compuestos elaborados con los residuos de cuero tratados con el bicarbonato de calcio los que mostraron el mayor valor de torque, y al mismo tiempo estos compuestos presentaron la mayor velocidad de vulcanización y el menor tiempo scorch. Los materiales compuestos mostraron mejoras en relación a las resistencia a la tensión, a los módulos al 100 y al 300 %, a la resistencia al desgarre y a la dureza, cuando se incorporaron 400 phr de desechos de caucho, adicionando en todos los casos 100 phr de residuos de cuero tratados con alguna de las tres soluciones anteriormente descritas [52].…”
Section: Mezclas De Caucho Con Residuos De Cuero Posindustrialunclassified
“…Los resultados mostraron que los compuestos elaborados con los residuos de cuero tratados con urea tienen la menor densidad de entrecruzamiento en comparación al resto de materiales, incluyendo los compuestos elaborados con residuos de cuero sin ningún tratamiento químico previo. En relación al porcentaje de hinchamiento, los compuestos sometidos a tolueno mostraron el mayor grado de hinchamiento, seguido por los compuestos sumergidos en medio alcalino y finalmente el menor grado de hinchamiento fue presentado en los compuestos sumergidos en agua; este comportamiento es interesante en el momento de definir las condiciones a las que estaría expuesto un producto elaborado con estos materiales [52,53].…”
Section: Mezclas De Caucho Con Residuos De Cuero Posindustrialunclassified
“…This is not only caused seriously environmental problem but also wasted a large amount of collagen fiber with many valuable features [1][2]. In recent years, using leather solid waste as an ingredient for new materials have received much attention of many research groups [3][4][5]. Leather particles have been used as reinforcements for polymer composite materials to modify physical and mechanical properties such as density, hardness, abrasion resistance, tensile strength, flexibility, process ability and so on.…”
Section: Introductionmentioning
confidence: 99%