PRODUCTION METHOD OF RESIN POROUS BODY, AND RESIN POROUS BODY

To provide a resin porous body which has small variation in pore sizes.SOLUTION: In a production method of a resin porous body, (a) a mixed fluid is formed by mixing a high-pressure fluid of carbon dioxide, an olefinic resin, insulation particles, and a solvent in a pressure vessel, (b) the mixed fl...

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Hauptverfasser:	MATSUYAMA KIYOSHI, MATSUNOBE KOHEI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	To provide a resin porous body which has small variation in pore sizes.SOLUTION: In a production method of a resin porous body, (a) a mixed fluid is formed by mixing a high-pressure fluid of carbon dioxide, an olefinic resin, insulation particles, and a solvent in a pressure vessel, (b) the mixed fluid is cooled, thereby causing phase separation of the mixed fluid, and (c) a resin porous body is formed by releasing the pressure in the pressure vessel, after the phase separation.SELECTED DRAWING: Figure 1 【課題】気孔サイズのばらつきが小さい、樹脂多孔質体を提供する。【解決手段】（ａ）圧力容器内において、二酸化炭素の高圧流体と、オレフィン系樹脂と、絶縁粒子と、溶剤とを混合することにより、混合流体を形成する。（ｂ）混合流体を冷却することにより、混合流体の相分離を起こさせる。（ｃ）相分離後、圧力容器内の圧力を解放することにより、樹脂多孔質体を形成する。【選択図】図１