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Preparation And Characterization Of Organic Modified Calcium Carbonate By Sodium Stearate (Or Sodium Oleate) Using Wet Method

Author

Listed:
  • YU LIANG

    (School of Materials Science and Technology, Shenyang University of Chemical Technology, Shenyang 110142, Liaoning Province, China†Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing 100083, China)

  • SIJIA SUN

    (#x2020;Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing 100083, China)

  • HAO DING

    (#x2020;Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing 100083, China)

  • XIFENG HOU

    (#x2020;Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing 100083, China)

Abstract

A method of modifying calcium carbonate particles was investigated by coating sodium stearate or sodium oleate on the surface of calcium carbonate by wet method. The results of FTIR, activation and dispersion index, dispersity in kerosene, surface wettability tests and zeta potential tests show that sodium stearate or sodium oleate has successfully coated on the surfaces of calcium carbonate. The main factors were researched and the optimal parameters were obtained for the best modification effect. Compared with common rubber, the modified calcium carbonate added rubber has larger breaking tensile strength (more than 21%) and larger elongation at break (more than 16%). This research provides a feasible way of modifying calcium carbonate for its use as filler in organic matrix, reduces the cost and has a potential application in large-scale production of modified calcium carbonate.

Suggested Citation

  • Yu Liang & Sijia Sun & Hao Ding & Xifeng Hou, 2020. "Preparation And Characterization Of Organic Modified Calcium Carbonate By Sodium Stearate (Or Sodium Oleate) Using Wet Method," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 27(10), pages 1-12, October.
    • Handle: RePEc:wsi:srlxxx:v:27:y:2020:i:10:n:s0218625x1950224x
    DOI: 10.1142/S0218625X1950224X
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