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US 2025/0059376 A1Published application
Refined surface modified carbon black and methods of making same
AssigneeContinental Carbon Company
InventorsRaymond SOUFIANI, Eduardo VEGA, JR., Lashan M.H. DE SILVA, Frank E. WELSH, Luis P. CHIBANTE
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Abstract
A non-ASTM low hysteresis carbon black chemically treated, and surface coated with a compound comprising at least one amine group and at least one thiol group, and/or di- and/or polysulfidic linkage is herein disclosed. The surface modified low hysteresis carbon blacks are post treated to remove excess surface modified compound to form refined surface modified low hysteresis carbon blacks.
Claims16
A refined surface modified low hysteresis carbon black (SMLHCB-R) product, comprising:
- a low hysteresis carbon black having a surface that has been modified to have a surface modifier attached thereto, wherein the surface modifier comprises at least one amine group and at least one thiol group and/or di- and/or polysulfidic linkage.
Dependencies are inferred from the claim text.