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Functional Composite Materials
Fig. 3 | Functional Composite Materials

Fig. 3

From: Impact of solar radiation on chemical structure and micromechanical properties of cellulose-based humidity-sensing material Cottonid

Fig. 3

Infrared (IR) spectra of industrial Cottonid material (Ernst Krueger): a In initial condition with peak definition of raw material cellulose, and b Comparative evaluation of initial condition and after thermal aging at ~ 75 °C for taging = 3352 h; Peak evolution due to thermal aging: c Close-up at ṽ = 2.900 cm− 1, and d Close-up at ṽ ~ 1.750 cm− 1

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