天然ゴム加硫における二次加硫促進剤の作用

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書誌事項

タイトル別名
  • STUDIES ON ORGANIC RUBBER CHEMICALS (2)
  • テンネン ゴムカリュウ ニ オケル 2ジカリュウソクシンザイ ノ サヨウ
  • ACTION OF SECONDARY VULCANIZATION ACCELERATOR ON NATURAL RUBBER

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抄録

We have found that the reagents of structures of CH3-X-C=Y-ZH, in which X, Y and Z indicated hetero-atoms other than carbon in promoted vulcanization of natural rubber in the presence of dibenzothiazyldisulfide (DM). Such a reagent was named secondary vulcanization accelerator. The reagents used in the present paper were thiophenol, thioacetic acid, dithioacetic acid, trithiocarbonate, thioacetoamide, methylxanthogenimide, methyldithiocarbamate, monomethylthiourea, aniline, acetoamide, urethane, S-methylmonocarbamate, monomethylurea, hydrochloride salt of acetoamidine, and hydroiodide salt of pseude-o-methylthiourea. It was shown that all of these reagents promoted DM and that some of these reagents, i. e., thioacetic acid, thioacetoamide and methylthiourea, were able to perform non-sulfur vulcanization of natural rubber in the presence of DM. It illustrated also that non-sulfur vulcanization at low temperature was posible by use of such curing system.

収録刊行物

  • 日本ゴム協会誌

    日本ゴム協会誌 35 (5), 322-329, 1962

    一般社団法人 日本ゴム協会

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