Tetramethylthiuram disulfide vulcanization of extracted rubber. III. Short‐path distillation of TMTD and its reaction products from rubber

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Abstract
(1) A technique has been described for the short‐path distillation of substances from rubber. It has been found that sulfur, TMTM, TMTD, ZnDMDC, phenyl‐beta‐naphthylamine, and palmitic acid are recoverable by this procedure. (2) The conversion of zinc compounds such as zinc oxide and zinc palmitate to ZnDMDC in rubber by treatment first with CS2 and then with dimethylamine has been studied. (3) The volatilization of zinc from vulcanizates after conversion to ZnDMDC has been shown to occur without devulcanization.