Abstract
In this study the adhesive properties of a blend of polychloroprene rubber and a resin derived from cashew nut shell liquid (CNSL) are investigated. The resin is a copolymer obtained by condensing a mixture of CNSL and phenol with hexamethylene tetramine. The effects of varying the stochiometric ratios between total phenol and formaldehyde, CNSL and phenol, resin content, choice and extent of fillers, and adhesion promoters in the adhesive formulation were studied. The results show that CNSL-based resin is an effective ingredient in adhesives for bonding aluminium to aluminium. This is significant from the viewpoint of conservation because CNSL is a renewable resource and a cheap agricultural by-product.
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