DETAILED DESCRIPTION What is claimed is: 1. A rubber tread stock comprising: a vulcanizable composition of matter that is devoid of metal reinforcement, and a triazine compound that is selected from the group consisting of ##STR15## where R. sub. 1 is selected from the group consisting of hydrogen and organic groups having from 1 to about 20 carbon atoms, R. sub. 2 is selected from the group consisting of hydrogen and organic groups having from 1 to about 12 carbon atoms, and x is an integer from 1 to about 20, R. sub. 3 is selected from the group consisting of hydrogen and organic groups having from 1 to about 12 carbon atoms, R. sub. 4 is selected from the group consisting of hydrogen and organic groups having from 1 to about 12 carbon atoms, and x is an integer from 2 to about 12. 2. A rubber tread stock, as set forth in claim 1, where said triazine is selected from the group consisting of 2-chloro-4,6 bis(N-hexamethyleneimino)-1,3,5-triazine, 2-chloro-4,6-bis(anilion)-1,3,5-triazine, 2-chloro-4,6-bis(N-phenyl-p-phenylenediamino)-1,3,5-triazine, 2,4,6-triphenoxy-1,3,5-triazine, 1-ethoxy-4(dichloro-triazinyl)naphthalene, and (dichloro-triazinyl)-o-acetanisidide. 3. A rubber tread stock, as set forth in claim 1, where said triazine is 2-chloro-4,6 bis(N-hexamethyleneimino)-1,3,5-triazine. 4. A rubber tread stock, as set forth in claim 1, where said triazine is 2,4,6-triphenoxy-1,3,5-triazine. 5. A rubber tread stock, as set forth in claim 1, wherein said vulcanizable composition of matter includes an elastomer selected from natural and synthetic rubber. 6. A rubber tread stock, as set forth in claim 5, wherein said vulcanizable composition of matter further includes a filler selected from the group consisting of carbon black and silica. 7. A rubber composition of matter comprising: a triazine compound defined by the formula ##STR16## where X is selected from the group consisting of hydrogen, halides, and organic group having from 1 to about 20 carbon atoms, Y is selected from the group consisting of halides, alkoxy derivatives, amino derivatives, aryloxy derivatives, and urea derivatives, with the proviso that the substituent is displacable by a reaction with a secondary amine, and Z is an amine derivative that is defined by a formula selected from the group consisting of ##STR17## where R
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