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A thin film of PPIA synthesized from polycondensation reaction of itaconic acid (IA) and 1,3propanediol (PDO) with spin coating method has been made. To develop the film property, various glycerols (gly) were added during reaction to form PPIA film with 10%, 30%, 50%, and 70% of the total weight of reactans. The molding of thin film was done using spin coater and followed by heating at 150 o for 18 h. The structure change of PPIA before and after film molding was characterized with ATRFTIR. Test of film with and without meat (beef and pork) using LCR meter was aimed to investigate the conductivity response of film for preliminary study of the film use for meat distinguisher. PPIA synthesized were yellowish viscous gel form. The double bond sites on the itaconate group of PPIA before film molding were still remaining as seen on the FTIR spectra. Films molded were yellowish transparent elastic thin film with three dimensional network via double bond sites. Impedance test showed that the film is very potential for meat distinguisher.

The Development of Polypropylene Itaconate (PPIA) for the Film Sensor as Preliminary Study for Meat Distinguisher