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In the present study,thermal behavior and crystal transition of pure poly(butylene adipate)(PBA)upon heating process were investigated by FTIR spectroscopy.To gain further insight into the thermal behavior alteration and the phase transition of PBA,we performed two-dimensional(2D)correlation analysis.We found thatβ-form PBA crystal undergoes not only the melting process but also crystal transition upon the heating process.
In the present study, thermal behavior and crystal transition of pure poly (butylene adipate) (PBA) upon heating process were investigated by FTIR spectroscopy. Further gain insight into the thermal behavior alteration and the phase transition of PBA, we performed two-dimensional (2D) correlation analysis. We found that β-form PBA crystal undergoes not only the melting process but also crystal transition upon the heating process.