The ultimate mechanical properties (⁠σB and εB⁠) and elastic recovery (inversely measured by tension set) of dynamically vulcanized melt mixed rubber-plastic blends increase with the similarity of the rubber and plastic in respect to the critical surface tension for melting γc⁠. They also increase with the crystallinity Wc of the plastic (resin) phase. Stiffness, as measured by Young's modulus E, increases with the differences in surface energy between the two phases.

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Rubber Division, American Chemical Society, Inc.
1981
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