Process for reclaiming scrap vulcanized rubber

Details Process for reclaiming scrap vulcanized rubber Process for reclaiming scrap vulcanized rubber

1978-05-31

1980-07-08

Seccuro, Carman J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260710, 260711, 260714, 260715, 260716, C08L 1700, C08J 1104

Patent

active

042116767

ABSTRACT:
Scrap vulcanized rubber is reclaimed by mixing with a reclaiming agent selected from (a) 1,8-diazabicyclo-[5,4,0]-undecene-7, (DBU) (b) phenol salts of DBU, (c) carboxylic acid salts of DBU, (d) thiuramsulfide compounds, (e) aromatic disulfides, and (f) benzene sulfinic acid compounds or benzene sulfonyl hydrazides, provided that (e) aromatic disulfides are not used alone.
Aliphatic or alicyclic amines may be used together with a compound selected from compounds (a)-(f) to enhance the reclaiming effect.

REFERENCES:
patent: 2415449 (1947-02-01), Sverdrup et al.

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