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Aphiwat Pankaew,Jirapa Rueangsuwan,Rakchart Traiphol,Nisanart Traiphol 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.111 No.-
This study introduces a facile approach for fabricating colorimetric sensors that differentiate concentrationand molecular weight of poly(methyl methacrylate) (PMMA). A cationic surfactant, cetyltrimethylammoniumbromide (CTAB), is incorporated into the structure of polydiacetylene(PDA)/Zn2+/ZnOnanocomposites via a simple mixing process. The interaction between PMMA carbonyl group andCTAB headgroup is the key mechanism inducing color transition of the nanocomposites. The sensitivitycan be tuned by adjusting experimental parameters including CTAB concentration, photopolymerizationtime, and PDA alkyl chain length. Solid-state sensors are fabricated by embedding into filter papers. Ourfinding extends the utilization of PDA-based materials in polymer sensing applications.