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Physical Review E
Self-consistent-field theory is used to reproduce the behavior of polymer surface tension with molecularweight for both lower and higher molecular-weight polymers. The change in behavior of the surface tension between these two regimes is shown to be due to the almost total exclusion of polymer from the nonpolymer bulk phase. The predicted two regime surface tension behavior with molecular-weight and the exclusion explanation are shown to be valid for a range of different polymer compressibilities.doi:10.1103/physreve.78.030801 pmid:18850985 fatcat:mznmw7x5h5dmhfzm37szxlxxem