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Vztah mezi relaxovanou entalpií a objemem v průběhu fyzikálního stárnutí amorfních polymerů a selenu
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| Title: | The relation between relaxed enthalpy and volume during physical aging of amorphous polymers and selenium | ||||||||||
| Author: | Říha, Pavel; Rychwalski, Rodney; Emri, Igor; Sáha, Petr; Kubát, Josef; Slobodian, Petr | ||||||||||
| Document type: | Peer-reviewed article (English) | ||||||||||
| Source document: | European Polymer Journal. 2006, vol. 42, issue 10, p. 2824-2837 | ||||||||||
| ISSN: | 0014-3057 (Sherpa/RoMEO, JCR) | ||||||||||
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| DOI: | https://doi.org/10.1016/j.eurpolymj.2006.06.003 | ||||||||||
| Abstract: | This paper reports physical aging results for PMMA, PMMA/PEO blends, PS, PC, PVC, and PET (semicrystalline). Also included in this study is amorphous selenium. Temperature down-jumps from equilibrium above Tg to a temperature below Tg were carried out. Relaxed enthalpy, ?h, and volume contraction, ?v, were measured. From the aging records, the constant ratio ?h/?v=Ka was evaluated. For the polymeric samples Ka values of about 2 GPa were observed, thus similar to the inverse value of the isothermal compressibility close to Tg. Similarly for Se the Ka value obtained from ?h and ?v was in fair agreement with its isothermal compressibility. | ||||||||||
| Full text: | https://www.sciencedirect.com/science/article/pii/S0014305706001947 | ||||||||||
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ČSN ISO 690:2011 citation
Citace článku v časopise:
ŘÍHA, Pavel, Rodney RYCHWALSKI, Igor EMRI, Petr SÁHA, Josef KUBÁT a Petr SLOBODIAN. Vztah mezi relaxovanou entalpií a objemem v průběhu fyzikálního stárnutí amorfních polymerů a selenu. European Polymer Journal [online]. 2006, vol. 42, iss. 10, s. 2824-2837. [cit. 2024-07-07]. ISSN 0014-3057. Dostupné z: https://www.sciencedirect.com/science/article/pii/S0014305706001947.
These citations are software generated and may contain errors. To verify accuracy, check the appropriate style guide.
ŘÍHA, Pavel, Rodney RYCHWALSKI, Igor EMRI, Petr SÁHA, Josef KUBÁT a Petr SLOBODIAN. Vztah mezi relaxovanou entalpií a objemem v průběhu fyzikálního stárnutí amorfních polymerů a selenu. European Polymer Journal [online]. 2006, vol. 42, iss. 10, s. 2824-2837. [cit. 2024-07-07]. ISSN 0014-3057. Dostupné z: https://www.sciencedirect.com/science/article/pii/S0014305706001947.
These citations are software generated and may contain errors. To verify accuracy, check the appropriate style guide.
