RUBBER COMPOUND WITH FIBER REINFORCEMENT

A rubber compound for use in a stator. The rubber compound includes a fiber reinforcement, which may include fibrillated fibers in some embodiments, and short chop fibers in others. Fibers in the fiber reinforcement create a grain direction. In some embodiments, the rubber compound has a first value...

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Bibliographische Detailangaben
Hauptverfasser:	Bohmer, Robert, Cariveau, Peter Thomas
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING CHEMISTRY COMPOSITIONS BASED THEREON HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING METALLURGY OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS PRODUCING MECHANICAL POWER PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A rubber compound for use in a stator. The rubber compound includes a fiber reinforcement, which may include fibrillated fibers in some embodiments, and short chop fibers in others. Fibers in the fiber reinforcement create a grain direction. In some embodiments, the rubber compound has a first value for 25% tensile Modulus across the grain and a second value for 25% tensile Modulus with the grain, wherein the first value is at least 10% lower than the second value. In embodiments, the fiber reinforcement may include a fiber loading of greater than 1.0 phr of fibers. In embodiments, the rubber compound may have a 25% tensile Modulus of greater than 400 psi across the grain and a 50% tensile Modulus of greater than 700 psi across the grain. In embodiments, at least some of the fibers may have a Modulus greater than 2.0 GPa.