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Complexation of poly(ethylene glycol) with poly(ethyl methacrylate-co-N-vinyl-2-pyrrolidone) gel based on hydrogen bonds

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Języki publikacji
EN
Abstrakty
EN
The complexes of poly(ethyl methacrylate-co-N-vinyl-2-pyrrolidone) (P(EMA-co-VP)) gel with poly- (ethylene glycol) (PEG) stabilized by the hydrogen bonds were prepared. It was found that both the concentration and the molecular weight of PEG have a strong effect on the P(EMA-co-VP) gel. When PEG was introduced into the P(EMA-co-VP) gel, the glass transition temperatures (Tg) of the complexes decreases with the decreasing of PEG molecular weight. In such a system, the maximum molecular weight of PEG required for the complex formation is no more than 2000, and P(EMA-co-VP)/PEG complexes are a homogeneous amorphous phase, which was studied by FTIR, XRD, TEM, and DSC.
Rocznik
Strony
85--90
Opis fizyczny
Bibliogr. 31 poz., rys., tab., wykr.
Twórcy
autor
  • University of Technology, College of Material Science and Engineering, Zhengzhou, 450007, China
autor
  • University of Technology, College of Material Science and Engineering, Zhengzhou, 450007, China
autor
  • University of Technology, College of Material Science and Engineering, Zhengzhou, 450007, China
Bibliografia
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  • 16. Feldstein, M.M., Kuptsov, S.A., Shandryuk, G.A. & Platé, N.A. (2001). Relation of glass transition temperature to the hydrogen-bonding degree and energy in poly(N-vinyl pyrrolidone) blends with hydroxyl-containing plasticizers. Part 2. Effects of poly(ethylene glycol) chain length, Polymer. 42, 981-990. DOI: 10.1016/S0032-3861(00)00439-0.
  • 17. Novikov, Roos, M.A., Creton, C. & Feldstein, M. (2003). Dynamic mechanical and tensile properties of poly (N-vinyl pyrrolidone)-poly (ethylene glycol) blends, Polymer. 44, 3561-3578. DOI: 10.1016/S0032-3861(03)00132-0.
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  • 26. Philippova, O.E., Karybiants, N.S. & Starodubtzev, S.G. (1994). Conformational changes of hydrogels of poly(methacrylic acid) iInduced by interaction with poly(ethylene glycol), Macromolecules, 27, 2398-2401. DOI: 10.1021/ma00087a006.
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  • 28. Karybiants, N.S., Philippova, O.E., Starodubtzev, S.G. & Khokhlov, A.R. (1996). Conformational transitions in poly(methacrylic acid) gel/poly(ethylene glycol) complexes. Effect of the gel cross-linking density, Macromol. Chem. Phys. 197, 2373-2378. DOI: 10.1002/macp.1996.021970801.
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Uwagi
W wersji online brak dwóch autorów : Xie Delong i Guan Chunlong
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-08fabf7b-a84d-46c9-9e2e-37e138ff02cb
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