Structure and physical properties of TiC nano- and microparticle filled polyester and polyurethane

Magdalena Kwiatkowska 1Janusz Grabian 5Wojciech Przetakiewicz 5Anna Biedunkiewicz 1Janusz Typek 2Nikos Guskos 2,3,4Zbigniew Roslaniec 1

1. Technical University of Szczecin, Institute of Materials Science and Engineering (TUS), Piastów 19, Szczecin 71-310, Poland
2. Technical University of Szczecin, Institute of Physics (TUS), al. Piastów 48, Szczecin 70-311, Poland
3. National Technical University of Athens (NTUA), Heroon Polytechneiou 9, Athens 157 80, Greece
4. University of Athens, Dept Phys, Solid State Sect,, Zografos 15784,, Athens, Greece
5. Maritime Academy, Institute of Materials Science and Engineering, Waly Chrobrego 1/2, Szczecin 70-500, Poland

Abstract

Two kinds of TiC nanoparticles, different as regards methods of preparation, were applied as a filler for polymer composites. For a comparison one sample was synthesized using sol - gel technique [1] and second was prepared by crushing microcrystalline aggregates with ball grinder. Ester elastomers based polymer nanocomposites were obtained by introducing nanoparticles into polymer during its synthesis. In order to ensure a homogenous distribution in a whole system they were dispersed in a liquid substrate (ethylene glycol, EG) using ultrasonic homogenisator (Sonoplus, Bandelin) and ultra-high speed stirrer (Ultra-Turrax T25, IKA-Werke). Poly(ether-ester) elastomers (PEE) were obtained using the periodic vacuous method proceeded in two stages : transestrification of dimethyl terephthalate with EG and polycondensation [2]. Dog-bone-shaped samples for further investigations were formed by injection moulding (Boy 15, Dr BOY). For preparation of poly(ester-urethane) elastomers (PUA) based nanocomposites the reaction injection moulding (RIM) method was applied. Samples for testing were cut out from a plate annealed at 800C within 1h. Obtained composites contained from 0.1 to 1.0 wt% of nanofillers. The morphology of TiC/polymer nanocomposites was characterised using electron microscopy and the effect of TiC nanoparticles on thermal and mechanical properties of ester elastomers was investigated on the basis of DSC analysis and static tensile / abrasion resistance tests. The addition of TiC nanoparticles resulted in an increase of abrasion resistance of ca. 30%.

This paper and the work it concerns were partially generated in the context of the MULTIPROTECT project, funded by the EC (contract N° NMP3-CT-2005-011783, 6th Framework Programme) and the project no. PBZ-KBN 095/108/2003 financed by Polish Ministry of Science and High Education.

Reference:

1. A.Biedunkiewicz, "Crystalisation of TiC and TiN from colloidal system", Materials Science, 21(4) (2003) 445-452

2. T. Bodziony et al. "Ferromagnetic resonance study of Fe3O4 and Fe3C magnetic nanoparticle mixture filling the PTMO-blok-PET polymer" Rev.Adv.Mater.Sci. 8(2004) 86-91.

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Presentation: Poster at E-MRS Fall Meeting 2006, Symposium D, by Magdalena Kwiatkowska
See On-line Journal of E-MRS Fall Meeting 2006

Submitted: 2006-06-12 10:30
Revised:   2006-06-26 14:40
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