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Citation: DAI Xin, SHANG Qing-Kun, LI Shi-Chun, XIU Yan-Hua, FENG Xue-Jiao, FU Gao-Feng, YAN Rui. Preparation and Properties of Nano-CaCO₃/OMMT/HDPE Ternary Composite[J]. Chinese Journal of Applied Chemistry, ;2008, 25(11): 1296-1300. shu

Preparation and Properties of Nano-CaCO₃/OMMT/HDPE Ternary Composite

1.
a Department of Chemistry, Northeast Normal University, Changchun 130024;
2.
b Changchun Gaoxiang Special Pipes Co. LTD, Changehun

Corresponding author: SHANG Qing-Kun,
Received Date: 24 October 2007
Available Online: 3 February 2008
Fund Project: 吉林省科技发展计划(20060572) (20060572)长春市科技发展计划(05GG56)资助项目 (05GG56)

Binary compounds nano-CaCO₃/HDPE,organic montmorillonite(OMMT)/HDPE and ternary composites nano-CaCO₃/OMMT/HDPE were prepared by means of a twin-screw extruder.Stearic acid(SA) was used to improve the properties of nano-CaCO₃.The main mechanical properties of these composites were investigated.The results show that the impact strength of nano-CaCO₃(SA)/HDPE can be increased by 29.08% via adding treated nano-CaCO₃,while the tensile strength of OMMT/HDPE increased by 106.4% via adding OMMT than those of HDPE itself.Most of main mechanical properties of ternary composite(nano-CaCO₃/OMMT/HDPE) have been improved greatly due to the synergistic effect of organic montmorillonite with nano-CaCO₃ treated by SA.Its tensile strength,Young's modulus,flexural strength,elastic modulus and impact strength of the ternary composite were increased by 124.6%,302.7%,73.86%,58.97% and 27.25% over those of HDPE,respectively.
- ternary composite,
- nano-CaCO₃,
- organic montmorillonite,
- HDPE
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Preparation and Properties of Nano-CaCO₃/OMMT/HDPE Ternary Composite