日本ゴム協会誌
Print ISSN : 0029-022X
96 巻, 7 号
選択された号の論文の22件中1~22を表示しています
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  • 第3回 架橋高分子をマテリアルリサイクルする
    福森 健三
    2023 年 96 巻 7 号 p. 192-198
    発行日: 2023年
    公開日: 2023/07/25
    ジャーナル 認証あり

    Material recycling technologies, contributing to promoting closed-loop recycling processes, are shown in this Part III for automotive polymer wastes mixed with crosslinked polymers as non-recyclable materials. High quality material recycling technologies based on continuous processes using twin-screw extruders under the controls of temperature, shear stress, internal pressure and chemical reactions in treating processes with selective breakages of crosslinking points and melt-blending of immiscible materials were developed in the late1990s and early 2000s for painted thermoplastic bumper waste, two layered surface material waste from interior trims and sulfur-crosslinked rubber waste from weather strips. Basic concepts for high closed-loop material recycling as shown in this lecture will provide some useful hints to use recycled materials for the same production or other high-value production cycles.

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