High heat and oil resistant conveyor belt

Conveyor belts having a reinforcement layer, a carry cover layer above the reinforcement layer, and a pulley cover layer disposed beneath the reinforcement layer, where the carry cover layer includes least one hydrogenated nitrile butadiene rubber (HNBR) material. The HNBR material(s) may have a per...

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Bibliographic Details
Main Authors Burrowes, Thomas George, Rong, Guangzhuo
Format Patent
LanguageEnglish
Published 25.04.2023
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PACKING
PERFORMING OPERATIONS
PNEUMATIC TUBE CONVEYORS
SHOP CONVEYOR SYSTEMS
STORING
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING
TRANSPORTING
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Summary:Conveyor belts having a reinforcement layer, a carry cover layer above the reinforcement layer, and a pulley cover layer disposed beneath the reinforcement layer, where the carry cover layer includes least one hydrogenated nitrile butadiene rubber (HNBR) material. The HNBR material(s) may have a percentage of hydrogenation of from about 90% to about 96%, from about 92% to about 95%, or even about 94%. The carry cover layer may be from about 4 mm to about 6 mm thick, or even from about 4 mm to about 5 mm thick. In some cases, the reinforcement layer includes a rubber matrix, which may be formed of a nitrile rubber (NBR), or mixture of nitrile NBR and natural rubber blended in a NBR:NR weight ratio of from 3:1 to 9:1. In some aspects, the reinforcement layer includes a plurality of reinforcement plies embedded in the rubber matrix.
Bibliography:Application Number: US202117207785