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Volumn 55, Issue 1, 1996, Pages 577-585

Solution behavior of polyethylene oxide in water as a function of temperature and pressure

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EID: 4243212324     PISSN: 1063651X     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevE.55.577     Document Type: Article
Times cited : (160)

References (44)
  • 2
    • 0003558170 scopus 로고
    • Plenum, New York, edited by N. B. Bikales
    • Water-Soluble Polymers, edited by N. B. Bikales (Plenum, New York, 1973).
    • (1973) Water-Soluble Polymers
  • 4
    • 0040877835 scopus 로고
    • Noyes Data Corp., Park Ridge, NJ, edited by Y. L. Meltzer
    • Water-Soluble Polymers: Recent Developments, edited by Y. L. Meltzer (Noyes Data Corp., Park Ridge, NJ, 1979).
    • (1979) Water-Soluble Polymers: Recent Developments
  • 5
    • 0003400331 scopus 로고
    • Wiley, New York, edited by H. F. Mark N. B. Bikales C. G. Overgerger, and G. Menges
    • Encyclopedia of Polymer Science and Engineering, 2nd ed., edited by H. F. Mark, N. B. Bikales, C. G. Overgerger, and G. Menges (Wiley, New York, 1986).
    • (1986) Encyclopedia of Polymer Science and Engineering
  • 6
    • 0004262320 scopus 로고
    • Plenum, New York, edited by G. A. Stahl and D. N. Schulz
    • Water-Soluble Polymers for Petroleum Recovery, edited by G. A. Stahl and D. N. Schulz (Plenum, New York, 1988).
    • (1988) Water-Soluble Polymers for Petroleum Recovery
  • 8
    • 85037219787 scopus 로고    scopus 로고
    • F. E. Bailey and J. V. Koleske, Poly(ethylene oxide) (Academic, New York, 1976)
    • F. E. Bailey and J. V. Koleske, Poly(ethylene oxide) (Academic, New York, 1976).
  • 10
    • 85037206381 scopus 로고    scopus 로고
    • (Formula presented) is the polymer radius of gyration and N the number of monomer units on the chain
    • (Formula presented) is the polymer radius of gyration and N the number of monomer units on the chain.
  • 21
    • 85037213925 scopus 로고    scopus 로고
    • They do not, however, address the issue of the closed loops shrinking to a point
    • They do not, however, address the issue of the closed loops shrinking to a point.
  • 24
    • 85037250870 scopus 로고    scopus 로고
    • (private communication)
    • J. C. Selser (private communication).
    • Selser, J.C.1
  • 28
    • 85037235209 scopus 로고    scopus 로고
    • We show in Sec. IV that application of pressure reduces the effective number of bonding sites f/N<1; thus, we will express all derived quantities explicitly in terms of f/N
    • We show in Sec. IV that application of pressure reduces the effective number of bonding sites f/N<1; thus, we will express all derived quantities explicitly in terms of f/N.
  • 32
    • 85037231484 scopus 로고    scopus 로고
    • The second virial coefficient v shown in Eq. (17) is identical to that found by MT 1, indicating that fluctuations in m/N do not contribute to the free energy at the second virial level
    • The second virial coefficient v shown in Eq. (17) is identical to that found by MT 1, indicating that fluctuations in m/N do not contribute to the free energy at the second virial level.
  • 33
    • 33947300434 scopus 로고
    • on PEO in water suggest that the fraction of 'intact bonds' does not change significantly upon increasing temperature from 30t°C to 80t°C. Rather than 'break,' the H bond may bend, which would distort the local water network. In our theory, a bond is either completely formed or 'broken'; thus our theory would predict the number of broken bonds to be greater than the actual PEO in water system, which, in principle, exhibits bond bending
    • NMR experiments of K.-J. Liu and J. L. Parsons, Macromolecules 2, 529 (1969), on PEO in water suggest that the fraction of 'intact bonds' does not change significantly upon increasing temperature from 30t°C to 80t°C. Rather than 'break,' the H bond may bend, which would distort the local water network. In our theory, a bond is either completely formed or 'broken'; thus our theory would predict the number of broken bonds to be greater than the actual PEO in water system, which, in principle, exhibits bond bending.
    • (1969) Macromolecules , vol.2 , pp. 529
    • Parsons, J.L.1
  • 36
    • 85037196337 scopus 로고    scopus 로고
    • MT 1, Bae et al. 14, and the present authors compared our calculated binodals to the cloud points, which were assumed to be a measurement of the coexistence curve rather than the spinodal. This is not obvious and requires further investigation
    • MT 1, Bae et al. 14, and the present authors compared our calculated binodals to the cloud points, which were assumed to be a measurement of the coexistence curve rather than the spinodal. This is not obvious and requires further investigation.


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