The preparation of specimens from a rigid polyurethane containing montmorillonite (MMT) particles as a filler is described. The specimens were fabricated employing a biopolyol synthesized from rapeseed oil. The investigation of their structure was performed by using the X-ray diffraction analysis. The thermomechanical properties of the specimens were determined by means of a dynamic mechanical analysis at temperatures varying from 20 to 160°C. Experimental data on the influence of MMT additions on the mechanical properties (hardness, strength, elastic modulus, ultimate elongation, and creep) of the composite are obtained. A theoretical analysis of elastic properties of the composite is carried out by using the Mori–Tanaka theory of an equivalent medium. The calculation results are compared with experimental data.
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Acknowledgments
This study was performed within the framework of Project No. 2010/0214/2DP/2/1/1/1/0/10/APIA/VIAA/054 and financially supported by ERDF.
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Translated from Mekhanika Kompozitnykh Materialov, Vol. 49, No. 4, pp. 501-518, July-August, 2013.
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Gaidukov, S., Maksimov, R.D., Cabulis, U. et al. Mechanical properties of a rigid polyurethane/montmorillonite composite prepared by using a biopolyol. Mech Compos Mater 49, 333–344 (2013). https://doi.org/10.1007/s11029-013-9351-5
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DOI: https://doi.org/10.1007/s11029-013-9351-5