Influence of Filler from a Renewable Resource and Silane Coupling Agent on the Properties of Epoxidized Natural Rubber Vulcanizates

Figure 14

SEM micrographs of gum and filled ENR-25 vulcanizates with 30 phr of RHA and silica with and without silane coupling agent (Si69): (a) gum vulcanizates; (b) RHA₃₀; (c) RHA₃₀-Si69; (d) S₃₀; (e) S₃₀-Si69.

(a)

(b)

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(e)