ポリ塩化ビニルの安定化に関する研究　ＶＩＩ　　ポリ塩化ビニルの熱安定化に対する含硫黄化合物とステアリン酸亜鉛／ステアリン酸カルシウム複合系金属石けんとの相乗効果

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  • Stabilization of poly(vinyl chloride). VII. Synergetic effects of sulfur-containing compounds with zinc stearate/calcium stearate synergetic soap on the stabilization of poly(vinyl chloride).
  • ポリ エンカ ビニル ノ ネツ アンテイカ ニ タイスル ガン イオウ カゴウ

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説明

Effects of various sulfur-containing compounds on the zinc stearate/calcium stearate soap induced thermal stabilization of poly (vinyl chloride) (PVC) were investigated by colorimetry. t-Nonylmercaptane, dithioglycol, β-mercaptopropionic acid, and thiourea markedly enhanced thermal stabilization of PVC containing zinc stearate/calcium stearate soap, while octylmercaptane, di (n-octyl) sulfide, a-mercaptopropionic acid, and 2-ethylhexylmercaptoacetate did not exhibit measurable enhancements in the stability. IR spectroscopy and X-ray photoelectron spectroscopy on the sulfur-containing compound-metal soap-PVC mixtures indicated that the sulfur-containing compounds, which were effective as additives, formed complexes with zinc chloride deriving from the metal soap. Such complexes were not observed for the sulfur-containing compounds which were less effective. The synergetic effect between the sulfur-containing compounds and the metal soap was ascribed to mask the excessive zinc chloride by the sulfur-containing compounds.

収録刊行物

  • 高分子論文集

    高分子論文集 43 (6), 319-324, 1986

    公益社団法人 高分子学会

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