INVESTIGATION ON PROPERTIES OF CACO3-FILLED POLYPROPYLENE FOR THERMOFORMING APPLICATION

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MOHAMMADIAN GAZAZ S.; AZIZI H.; KARABI M.; GHASEMI ESMAEIL

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Journal: Iranian Journal of Polymer Science and Technology Year:2006 | Volume:19 | Issue:3 (ISSUE NO. 83) Page(s): 195-201

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Title

INVESTIGATION ON PROPERTIES OF CACO3-FILLED POLYPROPYLENE FOR THERMOFORMING APPLICATION

Author(s)

MOHAMMADIAN GAZAZ S. | AZIZI H. | KARABI M. | GHASEMI ESMAEIL | Issue Writer Certificate

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Abstract

Due to good properties of polypropylene, such as stiffness, inertness to foods, stress crack resistance, clarity and high service temperature, it is a natural fit for many applications that are fabricated by thermoforming process. In spite of these benefits, excessive sagging and narrow forming window are disadvantages of PP in thermoforming. One of the methods to improve the thermoform ability of this material is incorporation of mineral filler into PP. The filler used at the present research was calcium carbonate (CaCO3) at three levels (10, 20, 30 wt. %). Compounding was carried out in a ZSK25 co-rotating twin screw extruder. Sagging behavior and mechanical properties at elevated temperatures were evaluated to estimate the thermoforming behavior of mineral-filled PP. The load at yield and elastic modulus increased by CaCO3 while elongation-at-yield decreased. Incorporation of CaCO3 into PP up to 20% wt improved the sagging resistance of polypropylene.

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APA: Copy

MOHAMMADIAN GAZAZ, S., AZIZI, H., KARABI, M., & GHASEMI, ESMAEIL. (2006). INVESTIGATION ON PROPERTIES OF CACO₃-FILLED POLYPROPYLENE FOR THERMOFORMING APPLICATION. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 19(3 (ISSUE NO. 83)), 195-201. SID. https://sid.ir/paper/6551/en

Vancouver: Copy

MOHAMMADIAN GAZAZ S., AZIZI H., KARABI M., GHASEMI ESMAEIL. INVESTIGATION ON PROPERTIES OF CACO₃-FILLED POLYPROPYLENE FOR THERMOFORMING APPLICATION. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2006;19(3 (ISSUE NO. 83)):195-201. Available from: https://sid.ir/paper/6551/en

IEEE: Copy

S. MOHAMMADIAN GAZAZ, H. AZIZI, M. KARABI, and ESMAEIL GHASEMI, “INVESTIGATION ON PROPERTIES OF CACO₃-FILLED POLYPROPYLENE FOR THERMOFORMING APPLICATION,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 19, no. 3 (ISSUE NO. 83), pp. 195–201, 2006, [Online]. Available: https://sid.ir/paper/6551/en

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