Table 2. Lattice Parameters, Crystallite Size, Lattice Strain, and Residual Stress Determined for the Pressed PLLA Films Obtained at a Pressure of 5 tons for 1 min at 110 °C (Thread-Like Texture, PLLA110) and Pressed PLLA/Talc Film with 0.5 wt % of Talc Obtained at a Pressure of 5 tons for 1 min at 110 °C.
| lattice
parameters [Å] |
|||||||
|---|---|---|---|---|---|---|---|
| sample | a | b | c | lattice volume [Å3] | crystallite size [nm] | lattice strain [%] | residual stress [MPa] |
| reference PLLAa | 10.84 | 6.19 | 28.95 | 1942.5 | |||
| PLLA110 | 10.72 | 6.21 | 29.16 | 1940.8 | 41 ± 8 | 0.05 ± 0.01 | 4.8 ± 1.0 |
| pressed PLLA/talc | 10.82 | 6.07 | 28.85 | 1894.8 | 75 ± 5 | –1.16 ± 0.05 | –3.95 ± 0.8 |
a
From International Center for Diffraction Data, ICDD #00-064-1623.