Synergistic peroxide cures for high vinyl rubbers

Details Synergistic peroxide cures for high vinyl rubbers Synergistic peroxide cures for high vinyl rubbers

1974-05-10

1976-02-17

Hamrock, William F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 947A, 260879, 260 237M, C08d 502, C08d 308

Patent

active

039391337

ABSTRACT:
High vinyl polybutadiene having an increased cure rate and superior properties comprises a peroxide curing agent selected from the class consisting of dicumyl peroxide, t-butyl perbenzoate, bis(t-butylperoxy) diisopropyl benzene, and n-butyl 4,4-bis(t-butylperoxy) valerate in combination with a peroxide selected from the class consisting of benzoyl peroxide, bis(4-t-butylcyclohexyl) peroxydicarbonate, t-butyl peroctoate, 2,5-dimethyl-2,5-bis(t-butylperoxy)-hexane, 2,5-dimethyl-2,5-bis(t-butylperoxy)-hexyne-3, and t-butyl hydroperoxide.

REFERENCES:
patent: 3584080 (1971-06-01), Walker et al.
patent: 3635934 (1872-01-01), Schaffhauser et al.
patent: 3653933 (1972-01-01), Schaffhauser et al.
patent: 3794638 (1974-02-01), Westermann

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