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Magnetostriction-based ultrasound in rubber devulcanization and related processes

  • US 6,545,060 B1
  • Filed: 10/05/2000
  • Issued: 04/08/2003
  • Est. Priority Date: 11/22/1996
  • Status: Expired due to Fees
First Claim
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1. A continuous process for the devulcanization of vulcanized elastomeric material, said process comprising:

  • pressurizing said material and treating said material by cylindrical convergent waves while so devulcanizing with alternating ultrasonic pressure waves produced by a magnetostriction transducer at a power level and for a period of time sufficient to dissociate carbon and sulfur crosslinking bonds and devulcanizing said material at power levels scaled from about 15 KW to about 180 KW.

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