C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
204/91.02
C08J 3/28 (2006.01) C08J 3/12 (2006.01) C08J 11/12 (2006.01)
Patent
CA 1132941
MICROWAVE PRODUCT FLOW ADDITIVE Abstract of the Disclosure Sulfur-vulcanized elastomer containing polar groups can be readily and effectively devulcanized by grinding the sulfur-vulcanized elastomer to pass about a 3/8" screen to give particulates of elastomer and then pass the particles containing a coating of silicous partition agent such as fine silica or talc through a microwave field having a microwave frequency of 915 to 2450 mHz at a dose rate of 50 to 150 watt hours per pound and a temperature of between 450 and 800° F.
332901
King Melvin W.
Tyler Keith A.
Smart & Biggar
The Goodyear Tire & Rubber Company
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