Effect of The Filler Type and Particle Distribution Changes on Polyester Matrix Composites

In this study, the effect of the usage of additives at different initiator ratios as well as the usage of fillers of different types and different grain distributions on resin consumption and compressive strength of polyester matrix composites were investigated. Orthophthalic unsaturated polyester resin (UP) was used as a matrix. The initiator (methyl ethyl ketone peroxide) at the ratio of 1.0%, 1.5%, and 2.0% and the accelerator (cobalt octoate) at the ratio of 1.0% by weight was used to start the polymerization. Silica, basalt, and quartz sand were used as the filler type. All fillings used in the study were prepared in the grain size distribution of the American Foundry Society (AFS 40-45) and in the grain size distribution determined by reference to the Fuller equation (F 1.0). Resin consumption and pressure resistances of produced composites were determined, and SEM analyses were carried out. As a result of the study, in all filled composites, the minimum resin consumption was achieved at a starting rate of 1.0%. The highest compressive strength was determined as 130.43 MPa in the basalt filled composite and in the AFS40-45 grain distribution.

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Reference1 S. Ahmed and F.R. Jones, “A review of particulate reinforcement theories for polymer composites,” Journal of Materials Science, vol. 25, no. 12, pp. 4933-4942, 1990.

Reference2 S. Kang, S. I. Hong, C. R. Choe, M. Park, S. Rim, and J. Kim, “Preparation and characterization of epoxy composites filled with functionalized nano silica particles obtained via sol-gel process,” Polymer, vol. 42, no. 3, pp. 879–887, 2001.

Reference3 S.S. Ray and M. Okamoto, “Polymer/layered silicate nanocomposites: a review from preparation to Processing,” Progress in Polymer Science, vol. 28, no. 11, pp.1539–1641, 2003.

Reference4 P. Singh, A. Kaushik, and Kirandeep, “Mechanical and transport properties of colloidal silica-unsaturated polyester composites,” Journal of Reinforced Plastics and Composites, vol. 25, no. 2, pp. 119-140, 2006.

Reference5 W.B. Fuller and S.E. Thompson, “The laws of proportioning concrete,” Trans. Amer. Soc. Civ. Engrs. Bd., vol. 59, no.67, 1907.

Reference6 A. Turkeli, http://mimoza.marmara.edu.tr/~altan.turkeli/files/cpt-2-sand_sand.pdf, (accessed 24/06/2019).

Reference7 MOLDING SAND, particle sizing for the foundry industry, https://www.retsch-technology.com/applications/technical-basics/molding-sand/ (accessed 24.12.2019).

Reference8 J. Jacobs and T. Kilduff, “Engineering materials technology: structures, processing, properties, and selection,” 2nd ed., Prentice-Hall, pp. 263-299, 1994.

Reference9 L. Horath, “Fundamentals of materials science for technologists: properties, testing and laboratory exercises,” 2nd ed., Prentice-Hall, pp. 100-133, 2001.

Reference10 S.H. Mansour and S.L. Abd-El-Messiah, “Electrical and mechanical properties of some polymeric composites,” Journal of Applied Polymer Science, vol. 83, no. 6, pp. 1167–1180, 2002.

Reference11 B.D. Agarwal, L.T. Broutman, and K. Chandrashekhara, “Analysis and performance of fibre composites,” 3rd ed., John Wiley, New York, 2006.

Reference12 H. Haddad and M. Al Kobaisi, “Influence of moisture content on the thermal and mechanical properties and curing behavior of polymeric matrix and polymer concrete composite,” Materials & Design, vol. 49, pp. 850-856, 2013.

Reference13 E. Ateş, and K. Aztekin, “Parçacık ve fiber takviyeli polimer kompozilerin yoğunluk ve basma dayanımı özellikleri,” Journal of the Faculty of Engineering & Architecture of Gazi University, vol. 26, no. 2, pp. 479–486, 2011.

Reference14 F. Mahdi, H. Abbas, and A.A. Khan, “Strength characteristics of polymer mortar and concrete using different compositions of resins derived from post-consumer PET bottles,” Construction and Building Materials, vol. 24, no. 1, pp. 25-36, 2010.

Reference15 E. Ateş and S. Barnes, “The effect of elevated temperature curing treatment on the compression strength of composites with polyester resin matrix and quartz filler,” Materials & Design, vol. 34, pp. 435-443, 2012.

Reference16 E. Ateş, “Optimization of compression strength by granulometry and change of binder rates in epoxy and polyester resin concrete,” Journal of Reinforced Plastics and Composites, vol. 28, no. 2, pp. 235-246, 2008.

Reference17 A. Akıncı, “Mechanical and morphological properties of basalt filled polymer matrix composites,” Archives of Materials Science and Engineering, vol. 35, no. 1, pp. 29-32, 2009.

Reference18 A.C. Moloney, H.H. Kausch, T. Kaiser, and H.R. Beer, “Parameters determining the strength and toughness of particulate filled epoxide resins,” Journal of Materials Science, vol. 22, no. 2, pp. 381-393, 1987.

Reference19 ASTM (2012) C579 – 01:Standard test methods for compressive strength of chemical-resistant mortars, grouts, monolithic surfacings, and polymer concretes. ASTM International, USA.