Stabilization of poly(vinyl chloride). XII. Synergetic effects of saponificated poly(vinyl acetate)s with synergetic metal soap on the stabilization of poly(vinyl chloride).

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  • IIDA Takeo
    Department of Applied Chemistry, Osaka Institute of Technology
  • IKEDA Hirohisa
    Department of Applied Chemistry, Osaka Institute of Technology
  • YAMASHITA Yoshiko
    Department of Applied Chemistry, Osaka Institute of Technology
  • GOTO Kunio
    Department of Applied Chemistry, Osaka Institute of Technology

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Other Title
  • ポリ塩化ビニルの熱安定化に関する研究　第１２報　ポリ塩化ビニルの熱安定化に対するポリ酢酸ビニル部分けん化物と複合系金属石けんとの相乗効果
  • ポリ エンカ ビニル ノ ネツ アンテイカ ニ タイスル ポリ サクサン ビニ

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Description

The synergetic effect of saponificated poly (vinyl acetate) s (SPVAc) with zinc stearate/calcium stearate synergetic soap on the thermal stabilization of poly (vinyl chloride) (PVC) was investigated by calorimetry. A marked synergetic effect was observed by compounding SPVAc as a solution. In particular, the lower saponificated SPVAc exhibited the measurable effects even when they were added as a solid. The synergetic effects of SPVAc was superior to those of poly (vinyl alcohol), owing to the better compatibilities with PVC. The values obtained for relationships involving NCG (distance to nearest center of gravity) or area for SPVAc particles in the compound PVC and the amounts of SPVAc added were useful parameters to evaluate the dispersion degree of additives in compound plastics.

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 47 (6), 509-516, 1990

    The Society of Polymer Science, Japan

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