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Determination of the heat resistance of polymer construction materials by the dynamic mechanical method |
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| Authors: | V. O. Startsev M. V. Molokov A. N. Blaznov M. E. Zhurkovskii V. T. Erofeev I. V. Smirnov |
| Affiliation: | 1.All-Russian Scientific-Research Institute of Aviation Materials,Moscow,Russia;2.Institute for Problems of Chemical and Energetic Technologies, Siberian Branch,Russian Academy of Sciences,Biisk,Russia;3.Ogarev Mordovia State University,Saransk,Russia |
| Abstract: | Russian and foreign standards for the techniques for the determination of the heat resistance of polymer materials are analyzed and the incorrectness of their use for polymer construction materials is shown. The determination of the heat resistance by the low-frequency dynamic mechanical method based on the temperature derivative extrema of the dynamic modulus of elasticity and the dynamic loss modulus under the transition of polymer matrices from the glassy to the highly elastic state is experimentally substantiated for multicomponent polymer compositions with dispersed or fibrous fillers. |
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