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Polymer Science Series B

, Volume 54, Issue 1–2, pp 79–87 | Cite as

Preparation of hydrophobically-modified acrylamide copolymers using poly(ethylene imine) as a photoinitiator and its performance evaluation in Bohai oilfield

Polymerization

Abstract

This paper presents copolymers of acrylamide, N,N-dimethyl-N-vinylnonadecan-1-ammonium chloride and N-(2,4-dimethylpentan-2-yl) acrylamide synthesized by photopolymerization using modified poly(ethylene imine) as initiator in water. These hydrophobically modified acrylamide copolymers were dissolved in the brine that was used in enhanced oil recovery in Bohai oilfield. It was found that when the content of N-(2,4-dimethylpentan-2-yl) acrylamide and N,N-dimethyl-N-vinylnonadecan-1-ammonium chloride were 0.1 mol % and 0.3 mol %, respectively, the resulting polymer could meet the demand of solution time and the polymer mechanical shear stability required in Bohai oilfield. The solution properties of synthesized copolymers were compared with the hydrophobically modified polymer currently used in enhanced oil recovery in Bohai oilfield.

Keywords

Shear Rate Acrylamide Polymer Science Series Solution Time Photopolymerization 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Ltd. 2012

Authors and Affiliations

  • Shenwen Fang
    • 1
  • Liehui Zhang
    • 1
  • Ming Duan
    • 1
  • Jian Zhang
    • 2
  1. 1.State Key Laboratory of Oil/Gas Reservoir Geology and ExploitationSouthwest Petroleum UniversityChengdu, SichuanChina
  2. 2.Beijing Research Center of China National Offshore Oil CorporationBeijingChina

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