ポリ塩化ビニルの熱安定化に関する研究　第１１報　ポリ塩化ビニルの熱安定化に対するポリビニルアルコールと複合系金属石けんとの相乗効果

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タイトル別名
  • Stabilization of poly(vinyl chloride). XI. Synergetic effects of poly(vinyl alcohol)s with synergetic metal 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 ポリビニルアルコール

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抄録

Effects of synergetic combination of poly (vinyl alcohol) s (PVA) and zinc stearate/calcium stearate soap on the thermal stabilization of poly (vinyl chloride) (PVC) were investigated by colorimetry. Synergetic effect between PVA and synergetic metal soap was markedly enhanced by adding PVA which was lower polymerization degrees as an aqueous solution, while any measurable effects were not observed by compounding PVA as a solid. Area and NCG (distance to nearest center of gravity) as for PVA particles in the compounded PVC sheet specimens were measured by using a personal image processing system to evaluate the dispersion degree of PVA. The enhancement of stabilization of PVC markedly depends on the dispersion degree of PVA in the compounded PVC. Namely, the fine dispersion of PVA was observed in the systems exhibiting good effects. The image processor was a useful instrument to evaluate dispersion degree of additives in plastic materials.

収録刊行物

  • 高分子論文集

    高分子論文集 47 (3), 197-205, 1990

    公益社団法人 高分子学会

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