Synthesis of Polycarbonate Diol Catalyzed by Metal-Organic Framework Based on Zn2+ and Terephthalic Acid

Li Ping Wang; Gong Ying Wang; Fan Wang; Pin Hua Wang

doi:10.4028/www.scientific.net/AMR.634-638.608

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 634-638Synthesis of Polycarbonate Diol Catalyzed by...

Synthesis of Polycarbonate Diol Catalyzed by Metal-Organic Framework Based on Zn²⁺ and Terephthalic Acid

Abstract:

Metal-organic framework based on Zn2+ and terephthalic acid (TPA) was prepared and characterized by X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy. It was then used as the catalyst for the transesterification between diphenyl carbonate (DPC) and 1, 6-hexandiol (1,6-HD) to polycarbonate diol (PCDL). Compared to Mg-Al layered double hydroxide, triethylenediamine, sodium ethoxide and sodium methoxide, it exhibits the highest catalytic activity for the synthesis of PCDL. Under optimal reaction conditions(n(1,6-HD)/n(DPC) = 1.2, w(catalyst) = 0.03%, 198 °C), the yield of phenol is up to 90.1% in the transesterification process, and PCDL with higher Mn and lower hydroxyl value can be synthesized

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Periodical:

Advanced Materials Research (Volumes 634-638)

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608-611

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.634-638.608

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Online since:

January 2013

Authors:

Li Ping Wang, Gong Ying Wang, Fan Wang, Pin Hua Wang

Keywords:

Diphenyl Carbonate, Polycarbonate Diol, Terephthalic Acid, Transesterification

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