
Keywords: پلی پروپیلن گلیکول; A500; Alginite calcined at 500â¯Â°C; A1000; Alginite calcined at 1000â¯Â°C; FTIR; fourier-transform infrared spectroscopy; MS; mass spectrometer; PPG; polypropylene glycol; PEG; polyethylene glycol; PXRD; powder X-ray diffraction; T; temperature; TG; lo