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Polímeros

versão impressa ISSN 0104-1428versão On-line ISSN 1678-5169

Resumo

RAVICHANDRAN, K.  e  NATCHIMUTHU, N.. Natural rubber: leather composites. Polímeros [online]. 2005, vol.15, n.2, pp.102-108. ISSN 1678-5169.  http://dx.doi.org/10.1590/S0104-14282005000200008.

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. Use of chrome leather particles has been found to improve the consumption of scrap rubber powder in natural rubber formulations. Polymer composites based on leather wastes as fillers are reported to be useful for many applications such as in construction materials, automobile interior moldings, heat and sound insulating boards, shoe soles, flooring materials and moldings with good anti-static properties, air permeability and good appearances.

Palavras-chave : Leather waste; neutralization of leather; scrap tyre; rubber recycling; natural rubber; polymer composites.

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