Nanolayer Reinforcement of Elastomeric Polyurethane
Chemistry of Materials1998Vol. 10(12), pp. 3769–3771
Citations Over TimeTop 1% of 1998 papers
Abstract
The first examples of thermoset polyurethane−clay nanocomposites have been prepared by curing a polyurethane network in the presence of alkylammonium-exchanged forms of montmorillonite. A unique stress−strain behavior was observed for the elastomeric nanocomposites. The reinforcement effects of the silicate nanolayers not only greatly improved the tensile properties of the matrix but the strain-at-break also increased with increasing clay loading. Thus, nanocomposite formation both strengthens and toughens the elastomeric matrix compared to the pristine polymer.
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