Effects of poly(butylene succinate) and calcium carbonate on the physical properties of plasticized poly(vinyl chloride)


  • Anyaporn Boonmahitthisud Department of Science, Faculty of Science, Chulalongkorn University
  • Phasawat Chaiwutthinan Department of Materials Science, Faculty of Science, Chulalongkorn University
  • Sitthipong Samutthong Department of Materials Science, Faculty of Science, Chulalongkorn University
  • Onusa Saravari Department of Materials Science, Faculty of Science, Chulalongkorn University
  • Saowaroj Chuayjuljit Department of Materials Science, Faculty of Science, Chulalongkorn University


Poly(vinyl chloride), Diisononyl phthalate, Poly(butylene succinate), Calcium carbonate, Physical properties


In this studypoly(butylene succinate) (PBS) , a polymeric plasticizer,  was partially replaced a conventional plasticizer, diisononyl phthalate (DINP) to avoid the plasticizer loss from poly(vinyl chloride) (PVC) overtime for various service conditions and to obtain a long-term plasticizer retention in the flexible PVC products. The plasticized PVC samples were prepared by melt mixing on a two roll mill, followed by compression molding. The mechanical properties (tensile properties, tear strength and hardness), thermal stability and morphology of the 20/20 phr (parts by weight per hundred parts of resin) DINP/PBS-plasticized PVC were evaluated and compared with those of the 40 phr DINP-plasticized PVC. The tensile strength, Young’s modulus, tear strength, hardness and thermal stability were found to be improved, while the elongation at break was decreased as a result of the partial replacement of DINP with PBS in the plasticized PVC. Moreover, the DINP/PBS-plasticized PVC composites filled with varied loadings of CaCO3 (2.5, 5, 7.5 and 10 phr) showed an increase in the elongation at break, Young’s modulus and thermal stability in a dose-dependent manner, while the tensile strength, tear strength and hardness were unaffected by the increasing amount of CaCO3. The morphology of the composites observed by scanning electron microscopy showed a number of voids on the fractured surface of the plasticized PVC due to the pulling out CaCO3 particles, caused by the low interfacial adhesion between filler and polymer.


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How to Cite

A. Boonmahitthisud, P. Chaiwutthinan, S. Samutthong, O. Saravari, and S. Chuayjuljit, “Effects of poly(butylene succinate) and calcium carbonate on the physical properties of plasticized poly(vinyl chloride)”, J Met Mater Miner, vol. 24, no. 2, Dec. 2014.



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