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Hydrolysis of polycarbonate using ionic liquid [Bmim][Cl] as solvent and catalyst

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Abstract

The hydrolysis of polycarbonate (PC) was studied using ionic liquid [Bmim][Cl] as solvent and catalyst. The effects of reaction temperature, water dosage and [Bmim][Cl] dosage on reaction results were examined. It was showed that the hydrolysis conversion of PC was almost 100 % and the yield of bisphenol A (BPA) was over 95 % under the reaction conditions of temperature 165 °C, time 3.0 h, m([Bmim][Cl]):m(PC)=1.5:1 and n(H2O):n(PC)=10:1. The ionic liquid could be reused for 8 times without obvious decrease in the conversion of PC and yield of BPA. Therefore, an environmental friendly strategy for chemical recycling of PC was developed.

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Authors and Affiliations

  1. College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China

    Lei Li, Fusheng Liu, Zhuo Li, Xiuyan Song, Shitao Yu & Shiwei Liu

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  1. Lei Li
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  2. Fusheng Liu
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  3. Zhuo Li
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  4. Xiuyan Song
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  5. Shitao Yu
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  6. Shiwei Liu
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Correspondence to Fusheng Liu.

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Li, L., Liu, F., Li, Z. et al. Hydrolysis of polycarbonate using ionic liquid [Bmim][Cl] as solvent and catalyst. Fibers Polym 14, 365–368 (2013). https://doi.org/10.1007/s12221-013-0365-3

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  • DOI: https://doi.org/10.1007/s12221-013-0365-3

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