Nor Wahida Binti Awang, Muhammad Aidel Bin Ratno Hadiyono, Mohamed Abdellatif, Kotohiro Nomura
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引用次数: 0
摘要
用 FeCl3、FeBr3（1.0-5.0 mol%）对聚对苯二甲酸乙二醇酯（PET）与乙醇进行无酸、无碱解聚，只得到对苯二甲酸乙二醇酯（DET）和乙二醇（EG）（98->99 %，160-180 ºC），FeCl3 的催化剂活性表现更好。FeCl3 催化剂能使纺织废料中的 PET 独家进行选择性解聚，生成 DET（和回收的棉花废料），这有力地说明了在该催化反应中通过酯交换反应对纺织废料进行化学回收利用的可能性。
Depolymerization of PET with Ethanol by Homogeneous Iron Catalysts Applied for Exclusive Chemical Recycling of Cloth Waste
Acid-, base-free depolymerization of poly(ethylene terephthalate) (PET) with ethanol by FeCl3, FeBr3 (1.0-5.0 mol%) gave diethyl terephthalate (DET) and ethylene glycol (EG) exclusively (98->99 %, 160-180 ºC), and FeCl3 showed better catalyst performance in terms of the activity. The FeCl3 catalyst enabled to proceed exclusive, selective depolymerization of PET from the textile waste to afford DET (and recovered cotton waste), strongly suggesting the possibility of chemical recycling of cloth waste by the transesterification in this catalysis.
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