Method for depolymerization of rubber

Details Method for depolymerization of rubber Method for depolymerization of rubber

1994-01-18

1995-08-01

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...

521 405, 521 46, 5253323, 5253591, 5253593, 5253595, 525938, C08C 1908, C08F 818, C08J 1118

Patent

active

054380782

ABSTRACT:
The present invention is a method for depolymerizing organic vulcanized rubber which contains at least one organic component. In broadest terms, the method of the present invention comprises the steps of: (a) obtaining a portion of organic vulcanized rubber to be recycled; (b) treating the portion of rubber with an effective amount of:
(1) a solution of at least one organic hypochlorite; and
(2) at least one organic solvent; for sufficient time and at sufficient temperature whereby substantially all of the portion of the rubber is degraded to an extent so as to be dispersed in the organic solvent, whereby the organic component(s) is/are extracted therefrom.
The organic vulcanized rubber (such as rubber from used tires and/or other waste sources) may be from a single source or from various sources, and those from various sources may even be comingled for treatment by the present method.

REFERENCES:
patent: 3968316 (1976-07-01), Jyo et al.

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