Process for reclaiming cured or semi-cured rubber

Details Process for reclaiming cured or semi-cured rubber Process for reclaiming cured or semi-cured rubber

1996-02-29

1997-10-14

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...

521 415, 521 42, 521 43, 521413, 525240, 525370, 525938, C08J 1104, C08K 308

Patent

active

056773544

ABSTRACT:
A process for reclaiming cured or semi-cured rubber, by subjecting a mass of rubber to be reclaimed to a solvent effective to swell said mass, passing the formed swollen mass of rubber through restriction means having small openings, such as a perforated plate, deleterious or devulcanizing substances being comprised in at least one of said restriction means and said swollen mass of rubber.

REFERENCES:
patent: 4098737 (1978-07-01), Lee et al.
patent: 4156508 (1979-05-01), Kisielewski
patent: 4161464 (1979-07-01), Nicholas
patent: 5304576 (1994-04-01), Martinez
patent: 5359007 (1994-10-01), Oliveira Da Cunha Lima

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