Enlargement of Silsesquioxane Derivatives to Applications Requiring Heat Resistance, and Development of Protective Coating for Spacecraft

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  • FURUTA Naomasa
    Applied Research Laboratory, General Center of Research and Development, TOAGOSEI CO., LTD.
  • FUJITA Takeshi
    Applied Research Laboratory, General Center of Research and Development, TOAGOSEI CO., LTD.
  • KITAMURA Akinori
    Applied Research Laboratory, General Center of Research and Development, TOAGOSEI CO., LTD.

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  • シルセスキオキサン誘導体の耐熱用途への展開と宇宙機用保護コーティング剤の開発
  • シルセスキオキサン ユウドウタイ ノ タイネツ ヨウト エ ノ テンカイ ト ウチュウキヨウ ホゴ コーティングザイ ノ カイハツ

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Abstract

<p>Silsesquioxane placed between silicone and silica has both organic and inorganic features. In this research, the heat resistance of cured “SQ series”, the silsesquioxane derivative into which an organic crosslinking group is introduced, was evaluated. Specially devised molecular design of SQ series gives excellent resistance to thermal shock and yellowing. Utilizing these findings, we developed an excellent atomic oxygen protective coating agent for spacecraft that overcomes the defects of existing coatings. Its performance was demonstrated in actual space by SQ series coated materials equipped to spacecraft.</p>

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