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4. Reclaimed rubber
Rubber regeneration involves chemical or thermomechanical treatment to degrade rubber by cutting S-S, S-C and C-C bonds. As a reminder, during rubber vulcanization, C-S-C (monosulfide), C-S-S-C (disulfide) and C-(S) n -C (polysulfide) bonds are created. The binding energies are not identical.
The binding energies are shown in table 1 .
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Reclaimed rubber
Pyrolysis
Bibliography
Websites
Lehigh Technologies
https://www.lehightechnologies.com
Northstar Elastomers – Tirecycle™ process
LEVGUM process – YouTube video
Patents
Chemplast – GumTec – EP 1362 681 – 04/06/2002
Goodyear – Novotny – US 4104205 (1978)
Hunt – US 5578700 (1996)
Vredenstein – US 5425 904 – 05/12/90
Michelin – EP 2337693 – 06/29/2011
LEVGUM LTD – US 6831109 – 04/26/2001
Zhang Yuncan – US 20090082475 – 09/22/2008
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Ademe (France)
AGR (Italy)
Aliapur (France)
Alfyma (France)
Alpha Recyclage (France)
Birla (United States)
Bolder (United States)
Bridgestone (Japan)
BTCR (Netherlands)
Cabot (US)
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