For Bostik, 94% of impacts arise with the raw materials, 3.5% from their production process and 2.5% from transportation. So it is clear that moving from oil-based to bio-based materials will be key to improvement, with bio-based equivalents of today’s synthetic polymers being a staging post on the way to using natural materials. With adhesives being a minor part of diaper construction, add-on reduction appears to be the main strategy for reducing impact. Their new Zerocreep™ adhesive offers the possibility of a 50% reduction in the amount needed with additional savings in the energy needed to keep the melt hot. Transportation impacts can be minimised by delivering the adhesive free of packaging, in 20 tonne tankers, molten and ready for use.
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