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    • 31. 发明申请
    • METHOD OF DECOMPOSING THERMOSET RESIN AND RECOVERING PRODUCT OF DECOMPOSITION
    • 分解热固性树脂的方法和回收分解产物
    • US20110009507A1
    • 2011-01-13
    • US12810750
    • 2008-12-25
    • Keishi ShibataTakaharu NakagawaTakeshi Yoshimura
    • Keishi ShibataTakaharu NakagawaTakeshi Yoshimura
    • C08J11/24C08J11/04
    • C08J11/14C07C51/00C08J2367/06Y02W30/704
    • The present invention relates to a method for decomposing a thermosetting resin to provide decomposed products, which can be easily separated, efficiently collected and recycled. Specifically, the present invention relates to a method for decomposing a thermosetting resin comprising a polyester moiety and a crosslinking moiety therewith to provide decomposed products to be collected and recycled, which comprises steps of: (A) decomposing the thermosetting resin by using of subcritical water in the presence of an alkali; (B) subjecting the decomposed products to a solid-liquid separation to provide an aqueous solution comprising a salt of a compound with an alkali, wherein the compound comprises an acid residue derived from the polyester moiety and a residue derived from the crosslinking moiety; and (C) adding an acid to the aqueous solution to precipitate the compound, and adding thereto a solvent, which can dissolve the compound and which is water insoluble, to dissolve the precipitated compound into the solvent to provide a solution comprising the compound to be collected.
    • 本发明涉及一种分解热固性树脂以提供分解产物的方法,其可以容易地分离,有效地收集和再循环。 具体地说,本发明涉及分解包含聚酯部分和交联部分的热固性树脂的方法,以提供要收集和再循环的分解产物,其包括以下步骤:(A)使用亚临界水分解热固性树脂 在碱的存在下; (B)使分解产物进行固液分离以提供包含化合物与碱的盐的水溶液,其中所述化合物包含衍生自聚酯部分的酸残基和衍生自交联部分的残基; 和(C)向该水溶液中加入酸以使化合物沉淀,并向其中加入可溶解该化合物并且是不溶于水的溶剂以将沉淀的化合物溶解到溶剂中以提供包含该化合物的溶液 集。