Hiroyuki Tanaka's research while affiliated with Japan Advanced Institute of Science and Technology and other places
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Publication (1)
The morphology and melting behaviour of ε-caprolactone-styrene diblock copolymers (PCL-b-PS) quenched from the melt were investigated by small-angle X-ray scattering and differential scanning calorimetry as a function of glass transition temperature of the PS block, Tg,PS. A plasticizer miscible only with the PS block, such as polystyrene oligomer...
Citations
... where d a,PCL is the thickness of the PCL amorphous layer, X c,PCL is the crystallinity of the PCL blocks, and ρ c,PCL and ρ a,PCL are the densities of the crystalline (1.20 g/cm 3 at 25°C) and amorphous PCL (1.08 g/cm 3 at 25°C), respectively. 38,46 As calculated from the DSC results (Figure 2), X c,PCL was 0.35 for PCL 0.7k -Thy, 0.40 for PCL 1.6k -Thy, and 0.53 for PCL 3.6k -Thy. According to eq 3, d c,PCL was calculated to be 1.35 nm for PCL 0.7k -Thy, 4.45 nm for PCL 1.6k -Thy, and 8.41 nm for PCL 3.6k -Thy (Table 2) and therefore drastically increased with the PCL block length. ...
