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Controlling crystal phase transition from modification II to I in isotactic Poly-1-butene (iPB-1) using CO 2 is presented in this article. The intrinsic kinetics of CO 2 -induced phase transition from modification II to I in iPB-1 at 40 °C and different CO 2 pressures were detected using in situ high-pressure Fourier transform infrared spectroscopy (FTIR) and correlated by...
In-situ high-pressure FTIR was used to investigate the polymorphous phase transition of isotactic poly-1-butene (iPB-1) with form III upon annealing at temperatures ranging from 75 to 100 °C and CO 2 pressures ranging from 2 to 12 MPa. It was shown that the phase transition of form III changed from form III to II not through form III to I′ with increasing temperature and application of CO...
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