SYNTHESIS OF BIS(�-DIKETONATO)ZIRCONIUM (IV) CHLORIDE AS A CATALYST IN THE RING OPENING POLYMERIZATIONS OF �-CAPROLACTONE

Yusuf, Muhammad and Roza, Destria and Nurfajriani and Gunawan, H. and Dari, N. (2019) SYNTHESIS OF BIS(�-DIKETONATO)ZIRCONIUM (IV) CHLORIDE AS A CATALYST IN THE RING OPENING POLYMERIZATIONS OF �-CAPROLACTONE. RASAYAN J.Chem, 12 (04). pp. 2132-2140. ISSN 0974-1496; 0976-0083

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Abstract

Poly(ε-caprolactone) (PCL) is a biodegradable polymer that is very attractive because of its properties such as high
crystallinity, high permeability, and non-toxic. In this research, two series of bis(β-diketonato)zirconium (IV)
chloride have been synthesized to be performed as a catalyst in the ring-opening polymerization (ROP) of εcaprolactone (ε-CL). The polymerization reaction was performed at 100 °C by stirring the mixture in the oil bath for 4 hours. The results showed that the PCL has been successfully polymerized using bis(β-diketonato)zirconium (IV) chloride catalysts complex and its molecular structure has been determined by Fourier Transform Infrared (FTIR), Proton nuclear magnetic resonance (1HNMR), Carbon Nuclear Magnetic Resonance (13CNMR), X-ray Diffraction (XRD), Differential Scanning Calorimetry (DSC), and Thermogravimetric Analysis (TGA). On the other hand, the plausible reaction mechanism of the use of bis(β-diketonato)zirconium (IV) chloride catalyst in the ROP of ε-CL was also proposed in this research.

Item Type: Article
Keywords: Bis(β-diketonato)zirconium(IV) Chloride; Ring opening polymerization; ε-Caprolactone; Poly(εcaprolactone); Plausible mechanism
Subjects: Q Science > QD Chemistry > QD146 Inorganic chemistry
Q Science > QD Chemistry > QD450 Physical and theoretical chemistry
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam > Kimia
Depositing User: Mrs Harly Christy Siagian
Date Deposited: 03 Apr 2023 01:51
Last Modified: 18 Apr 2023 02:31
URI: https://digilib.unimed.ac.id/id/eprint/51620

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