Abstract
High-pressure phase equilibrium data have been measured for the system propane + Boltorn H3200 at temperatures of (300 to 470) K and at pressures up to 14 MPa. Boltorn H3200 is a hydroxyl-functional hyperbranched polyester whose OH-end groups are functionalized with a mixture of eicosanoic and docosanoic acid leading to C20/22 alkane chains as end groups. The phase equilibrium measurements were performed according to the synthetic method using the Cailletet apparatus. Besides two-phase fluid phase equilibria, a three-phase curve liquid−liquid−vapor, a three-phase curve solid polymer−liquid−liquid, and a three-phase curve solid polymer−liquid−vapor were measured also.
Published Version
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