Note on a potential contribution of entropy to the interaction parameter for dissimilar units in copolymers
The intrinsic viscosity data reported in the literature for ethylene-butylene copolymers in several solvents are used to estimate the x parameter characterizing the polymer-solvent interaction. The dependences of this parameter on the copolymer composition display unexpectedly pronounced minima whic...
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| Veröffentlicht in: | Polymer (Guilford) 1992, Vol.33 (22), p.4878-4879 |
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| container_end_page | 4879 |
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| container_issue | 22 |
| container_start_page | 4878 |
| container_title | Polymer (Guilford) |
| container_volume | 33 |
| creator | Staszewska, Danuta Bohdanecky, Miloslav Huppenthal, Lech |
| description | The intrinsic viscosity data reported in the literature for ethylene-butylene copolymers in several solvents are used to estimate the
x parameter characterizing the polymer-solvent interaction. The dependences of this parameter on the copolymer composition display unexpectedly pronounced minima which indicate a repulsive interaction of ethylene and butylene units. In view of their chemical similarity, which makes the enthalpy contribution to the interaction low, the behaviour is assigned to entropy-of-mixing effects. |
| doi_str_mv | 10.1016/0032-3861(92)90710-E |
| format | Article |
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| ispartof | Polymer (Guilford), 1992, Vol.33 (22), p.4878-4879 |
| issn | 0032-3861 1873-2291 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_25781807 |
| source | Elsevier ScienceDirect Journals Complete |
| subjects | Applied sciences butylene copolymers ethylene Exact sciences and technology interaction parameter Organic polymers Physicochemistry of polymers Properties and characterization Thermal and thermodynamic properties |
| title | Note on a potential contribution of entropy to the interaction parameter for dissimilar units in copolymers |
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