Reclaiming of vulcanized rubber

Details Reclaiming of vulcanized rubber Reclaiming of vulcanized rubber

1984-06-04

1985-10-01

Lieberman, Allan M.

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

Synthetic resins

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

521 445, 521 45, C08J 1104

Patent

active

045446750

ABSTRACT:
In a process for reclaiming sulfur-vulcanized rubber in the presence of oil, water vapor and aryl disulfide peptizer at elevated pressure and temperature, an improvement where said disulfide is obtained as a mixture also containing dissolved volatile mercaptan which comprises treating said disulfide mixture by distillation prior to its use in said reclaim process to remove said volatile mercaptan.

REFERENCES:
patent: 2581919 (1952-01-01), Albert
patent: 2593279 (1952-04-01), Elgin
patent: 2605241 (1952-07-01), Albert
patent: 2610925 (1952-09-01), Staten
patent: 2612479 (1952-09-01), Kirby et al.
patent: 2713561 (1955-07-01), Cook et al.
patent: 3267067 (1966-08-01), Mersereau et al.
patent: 4211676 (1980-07-01), Watabe et al.

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