ICCAS OpenIR
Thermodynamics of PMMA/SAN blends: Application of the Sanchez-Lacombe lattice fluid theory
Wen, GY; Sun, ZY; Shi, TF; Yang, J; Jiang, W; An, LJ; Li, BY
2001-08-28
Source PublicationMACROMOLECULES
ISSN0024-9297
Volume34Issue:18Pages:6291-6296
AbstractPolymer blends of poly(methyl methacrylate) (PMMA) and poly(styrene-co-acrylonitrile) (SAN) with an acrylonitrile content of about 30 wt % were prepared by means of solution-casting and characterized by virtue of pressure-volume-temperature (PVT) dilatometry. The Sanchez-Lacombe (SL) lattice fluid theory was used to calculate the spinodals, the binodals, the Flory-Huggins (FH) interaction parameter, the enthalpy of the mixing, the volume change of the mixing, and the combinatorial and vacancy entropies of the mixing for the PMMA/SAN system. A new volume-combining rule was used to evaluate the close-packed volume per mer, upsilon*, of the PMMA/SAN blends. The calculated results showed that the new and the original volume-combining rules had a slight influence on the FH interaction parameter, the enthalpy of the mixing, and the combinatorial entropy of the mixing. Moreover, the spinodals and the binodals calculated with the SL theory by means of the new volume-combining rule could coincide with the measured data for the PMMA/SAN system with a lower critical solution temperature, whereas those obtained by means of the original one could not.
DOI10.1021/ma010023d
Indexed BySCI
Language英语
WOS IDWOS:000170662100025
PublisherAMER CHEMICAL SOC
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/77374
Collection中国科学院化学研究所
Corresponding AuthorAn, LJ
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Jilin Univ, Dept Chem, Res Ctr Special Engn Plast, Changchun 130023, Peoples R China
Recommended Citation
GB/T 7714
Wen, GY,Sun, ZY,Shi, TF,et al. Thermodynamics of PMMA/SAN blends: Application of the Sanchez-Lacombe lattice fluid theory[J]. MACROMOLECULES,2001,34(18):6291-6296.
APA Wen, GY.,Sun, ZY.,Shi, TF.,Yang, J.,Jiang, W.,...&Li, BY.(2001).Thermodynamics of PMMA/SAN blends: Application of the Sanchez-Lacombe lattice fluid theory.MACROMOLECULES,34(18),6291-6296.
MLA Wen, GY,et al."Thermodynamics of PMMA/SAN blends: Application of the Sanchez-Lacombe lattice fluid theory".MACROMOLECULES 34.18(2001):6291-6296.
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