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US 2023/0083416 A1Published application
A rubber formulation
AssigneeAtlantis Rubber Powders B.V.
InventorsChristopher Michael TWIGG, Wim MIGCHELS, Jeroen CLAESSENS, Robert Jan ZOOTJES, Jan Gijsbertus DRIESSEN
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Abstract
A method for manufacturing micronized rubber powders including grinding of a rubber granulated feedstock, size classification and storage of the micronized rubber powders thus obtained. A rubber formulation including at least one natural or synthetic rubber, a micronized rubber composition and optionally one or more of processing aids, antidegradants, fillers, accelerators and curatives. A method for manufacturing a rubber product, as well as to a solid rubber product.
Claims20
A method for manufacturing micronized rubber powders comprising
- grinding of a rubber granulated feedstock, size classification and storage of the micronized rubber powders thus obtained,
- wherein during the grinding process an agent is used to prevent the rubber powder particles sticking to themselves,
- wherein the agent is chosen from the group of synthetic amorphous precipitated silica and silane-treated synthetic amorphous precipitated silica, or a combination thereof.
Dependencies are inferred from the claim text.