Method of reclaiming scrap vulcanized rubber using supercritical

Details Method of reclaiming scrap vulcanized rubber using supercritical Method of reclaiming scrap vulcanized rubber using supercritical

1993-12-14

1995-05-23

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Process of treating scrap or waste product containing solid...

521 41, 521 415, 521 44, 521 455, 521 48, 585241, C08J 1102, C08J 1104

Patent

active

054182565

ABSTRACT:
The invention pertains to a method of treating vulcanized rubber, such as scrap tires, in which the copolymer is treated with an organic solvent under supercritical conditions, such that an organic solution of several by-products is obtained. These can be conventionally fractionated to recover useful organic compounds.

REFERENCES:
patent: 774727 (1904-11-01), Petersen
patent: 1263567 (1918-04-01), Kruder
patent: 2794057 (1957-05-01), Gunther
patent: 3704108 (1972-11-01), Alpert
patent: 3890141 (1975-06-01), Crane et al.
patent: 3896059 (1975-07-01), Wakefield et al.
patent: 4052344 (1977-10-01), Crane et al.
patent: 4384150 (1983-05-01), Lyakhevich et al.

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