Structural Analysis of Mold Temperature Dependence of Polycarbonate by Mid-Infrared Spectroscopy

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Abstract:

The mold temperature dependence of bisphenol A polycarbonate (BPAPC) in the view of changing the “flexed state” was investigated by mid-infrared spectroscopy combined with a previously developed thin sample preparation system. The differences in the samples of different mold temperatures were clearly detected. The structural changes in the flexed state of each mold temperature were analyzed by comparing the results using dielectric function analysis of different cutting procedures. Some structure parameters were associated with the contact angle of liquids on polymer plate. The evidence suggests that mold temperature and surface wettability affects the cohesive or entanglement state of polymers at the chemical structure level.

Keywords: Bisphenol A polycarbonate; Contact angle; Entanglement; FT-IR; Flexed state; Fourier transform infrared spectroscopy; Nano catcher; Surface analysis; Wettability

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/13-07043

Affiliations: Industrial Research Institute of Niigata Prefecture, 1-11-1 Abumi Nishi, Niigata 950-0915, Japan

Publication date: October 1, 2013

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