| abstract |
The present invention relates to a composition for free radical emulsion polymerization chain stop for inhibiting formation of nitrosamine and a method for chain stop of free radical emulsion polymerization. The composition comprises a nitrosamine inhibitor in combination with a conventional alkylhydroxylamine shortstopper. Such nitrosamine inhibitors are based on primary amines, amine-containing polymers, pyrrole, hydroquinone, certain phenols, ascorbic acid and other known nitrosation inhibitors. These may be used alone or in mixtures. The composition is intended for use in the emulsification process for producing rubber latex and for the subsequent manufacture of rubber products. |