02082nam a2200265 a 4500 vtls000075947 KUKTEM 20251114204551.0 131112t2013 my da f m 000 0 eng d THE0004971(Local) 201905140838 SHAHRILJ 201311141129 nabilah 201311120955 nabilah UMP TP1180.P65 D56 2013 rs Bc. Dinesh Kumar Raman Optimization and characterization of glycolysis of waste polyethylene terephthalate (PET) with polyethylene glycol (PEG) / by Dinesh Kumar a/l Raman Kuantan, Pahang : UMP, 2013 xv, 64 p. : ill. ; 30 cm. + 1 CD-ROM Project paper (Bachelor of Chemical Engineering) -- Universiti Malaysia Pahang – 2013 Bibliography : p. 55-57 Chemical recycling of poly (ethylene) terephthalate (PET) has been the subject of increased interest as a valuable feedstock for different chemical processes. In this research, the glycolysis of PET will be studied using excess Polyethylene Glycol (PEG) as depolymerization agent assisted by magnesium acetate as catalyst. The influence of several operating conditions covering temperature (165–215 ◦C), reaction time (0–4 h), and catalyst concentration and PEG to PET weight ratio was analyzed. The purified monomer was characterized by Differential Scanning Calorimetry (DSC), Thermogravimetric Analysis (TGA), and Fourier Transform Infrared Spectroscopy (FTIR).Response surface methodology (RSM) software was used to predict the optimal condition of glycolysis process. The optimal condition of glycolysis time, temperature, amount of catalyst and amount of PEG were 205◦C, 2.49hr, 0.12g (2.4wt% of PET used) and 36.87g of PEG respectively. Where using this optimized condition the yield of the process can be reached up to 96.3%. Glycolysis Polyethylene terephthalate Polyethylene glycol 0 0 0 1 10000 10000 2019-09-04 0 TP1180.P65 D56 2013 rs Bc. 0000074653 2019-09-04 00:00:00 1 2019-09-04 PSM 0 0 0 1 10000 10000 2019-09-04 0 CD 7026 | TP1180.P65 D56 2013 rs Bc. 0000074654 2019-09-04 00:00:00 1 2019-09-04 PSM VIRTUA40 4230 4236 VTLSSORT0080*0200*0400*0900*1000*2450*2600*3000*5020*5040*5200*6500*6501*6502*9992