熱硬化型樹脂を使用した制振鋼板の耐久性に及ぼす硬化剤の影響

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書誌事項

タイトル別名
  • Effect of Hardening Agent Content on Durability of Composite Damping Steel Sheets Used Thermosetting Type Resin
  • ネツ コウカガタ ジュシ オ シヨウシタ セイシン コウハン ノ タイキュウセ

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説明

The composite damping steel sheets were made using thermosetting resin composed of saturated polyester and isocianate type hardening agents as polymer. They had high damping properties at room temperature. The effects of crosslinking system on chemical and thermal durability were studied. In chemical resistance, adhesive strength and damping properties did not change after soaking in hydrocarbons or alcholic solvents. However, for MEK or aceton, the adhesive strength was slightly decreased, suggesting gradual dissolution of the polymer in such polar solvents. In thermal resistance, the adhesive strength sligthly increased and the damping capability with increasing temperature up to 200°C also slightly changed. It may be due to futher reaction of the polyester with unreacted isocianates at an elevated temperature. An increase of crosslinking density may increase the adhesive strength and decrease the damping capbility at low temperature range. It is concluded that a proper selection of saturated polyester and hardening agents provide the possibility of production of the composite damping steel sheets having high damping properties at room temperature and high chemical and thermal durability.

収録刊行物

  • 鉄と鋼

    鉄と鋼 75 (9), 1659-1665, 1989

    一般社団法人 日本鉄鋼協会

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