A modified starch product includes a quantity of particles, each having a starch core with an intermediate polymer coating and an exterior coating of a nano-silica. A method for manufacturing a modified starch product including admixing to a silicate and water to form a nano-silica solution; admixing an original starch and a polymer to form particles with a starch core having an intermediate polymer layer; admixing the nano-silica solution and the starch particles having an intermediate polymer layer to form a suspension of the modified starch product; dewatering the suspension of the modified starch product; and drying the modified starch product to form the modified starch having particles including the starch core with the intermediate polymer coating and the exterior coating of a nano-silica. A rubber formulation includes a quantity of elastomer and a quantity of the modified starch. The particles are substantially evenly distributed throughout the elastomer.
Silica coated starch
2023-07-11
Patent
Electronic Resource
English
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
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