Sulfur vulcanizable rubber compositions containing a methyl tria

Details Sulfur vulcanizable rubber compositions containing a methyl tria Sulfur vulcanizable rubber compositions containing a methyl tria

1990-03-22

1993-02-16

Henderson, Christopher

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253305, 5253311, 5253318, 5253327, 525346, C08C 1922, C08C 1920

Patent

active

051872390

ABSTRACT:
A method is disclosed for increasing the rate of vulcanization of a rubber composition comprising adding to a sulfur vulcanizable rubber a methyl trialkyl ammonium salt of the formula: ##STR1## wherein R.sup.1, R.sup.2, and R.sup.3 are independently alkyl radicals having 8 to 10 carbon atoms and M is selected from the group consisting of Cl, Br, CH.sub.3 SO.sub.4 and HSO.sub.4. Addition of a methyl trialkyl ammonium salt of the above formula significantly increases the rate of vulcanization of the rubber.

REFERENCES:
patent: 3357957 (1967-12-01), Bromby
patent: 3370049 (1968-02-01), Miller
patent: 3922240 (1975-11-01), Berg
patent: 4602052 (1986-07-01), Weber
patent: 4861842 (1989-08-01), Cohen
Chem Abst, 65, 2033(g) (1966, Scheele).

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