Method for inhibiting premature vulcanization of diene rubbers

Details Method for inhibiting premature vulcanization of diene rubbers Method for inhibiting premature vulcanization of diene rubbers

1974-02-27

1976-03-30

Henderson, Jr., Christopher A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4214, 26029385, 260780, 260784, C08F 900

Patent

active

039474291

ABSTRACT:
The premature vulcanization of rubber materials is substantially inhibited by incorporating therein a sulfenamide of the formula: ##SPC1##
Wherein R, which may be the same or different, is alkyl of 1 to 8 carbon atoms. The preferred sulfenamide is N-phenythio-3,5-lupetidine. Said sulfenamide is incorporated into the rubber with or without a conventional vulcanization accelerator and is preferably employed in the form of a powder preparation adsorbed in an inorganic carrier.

REFERENCES:
patent: 3036980 (1962-05-01), Dunham, Jr.
patent: 3513139 (1970-05-01), Coran
patent: 3640976 (1972-02-01), Boustany

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