JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2012, Vol. 42 ›› Issue (2): 90-96.

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Study of the synthesis and properties of drag reduction and anti-shearingstability of coordination compound oil reducers based on laurel metharylate-vinyl pyridine-zinc dimethacrylate

CHEN Shi-wei1, MU Chun-ling2, L  Xiao-bo1, WANG Qi-tian1, ZHANG Chang-qiao1*   

  1. 1. School of Chemistry and Chemical Engineering, Shandong University, Jinan 250061, China;
    2. Shandong Institute of Product Quality Supervision and Inspection, Jinan 250103, China
  • Received:2011-10-21 Online:2012-04-20 Published:2011-10-21

Abstract:

 Solution polymerization and emulsion polymerization are the main methods for  synthesizing the coordination compound oil reducers. In order to select the best method for synthesizing the coordination compound oil reducers,  lauryl methacrylate was first prepared from methacrylic acid and dodecanol. Then the coordination compound oil reducers were respectively synthesized by the solution polymerization method and emulsion polymerization method,  and using styrene and synthesized methacrylate as the raw material, 4-vinyl pyridine and zinc dimethacrylate as polar monomers. The molecular structures of the coordination compound oil reducers were characterized by infrared spectrum, and the drag reducers were  also examined by thermal analysis instrument and VISCOTEK DLS. The association of the drag reducers synthesized by the mentioned different methods were further confirmed and compared. The drag reduction rate and the properties of anti-shearing on different methods were examined. Finally, the conclusion showed  that the effective coordination compound oil reducers could be synthesized by the solution polymerization method and emulsion poly-merization method, while the product of emulsion polymerization was better than that of solution polymerization from the prospective of getting larger hydrodynamics radius and glass transition temperature, which showed that the product of emulsion polymerization had a  more stable association. The results indicated that the product of emulsion polymerization had a  more stable association, preferable drag reduction and anti-shearing force, which showed that the best method was emulsion polymerization.

Key words:  solution polymerization, emulsion polymerization, coordinated complexation, drag reduction rate, anti-shearing stability, reducer

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