Abstract:In this work investigated the possibility of applying a superficial treatment to ultra-fine calcium carbonate aiming to improve its interaction with the polymer chains of natural rubber so it does not act just as a filler. Commercial processes commonly use 40 phr of Silica as reinforcement filler. Here, we have evaluated the partial replacement of Silica by two types of calcium carbonate into hybrid natural rubber composites, untreated ultra-fine calcium carbonate and with ultra-fine calcium carbonate treated … Show more
“…The formation of the Si–O bond results in a shift of the Si–O stretching vibration. Ribeiro et al 48 demonstrated interaction between ultra-fine calcium carbonate and natural rubber by applying a superficial treatment to the calcium carbonate which provides materials with improved properties. They observed the similar bonds between coupling agents and calcium carbonate groups.…”
“…The formation of the Si–O bond results in a shift of the Si–O stretching vibration. Ribeiro et al 48 demonstrated interaction between ultra-fine calcium carbonate and natural rubber by applying a superficial treatment to the calcium carbonate which provides materials with improved properties. They observed the similar bonds between coupling agents and calcium carbonate groups.…”
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