Effect of Salt on the Viscosity and Microstructure of Hydrophobically Associating Water-Soluble Polymer

Abstract:

The effects of Na⁺, Ca²⁺, and Mg²⁺ on hydrophobically associating water-soluble polymers (HAWP) were studied in this paper.Their decreased viscosity in aqueous solution at different salt concentrations were measured and the corresponding microstructure by Atomic Force Microscopy (AFM) were determined. The results show that the destructive microstrucure was the intrinsic reason for the decresed viscosity. Among the three salt aqueous solutins, CaCl₂ has the highest strong destructive capability to the microstucute of HAWP.

• Periodical: Advanced Materials Research (Volumes 347-353)
• Pages: 1673-1677
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.347-353.1673
• Online since: October 2011
• Authors: Rui zhang, Ni Qin, Bing Yan Hu, Zhong Bing Ye
• Keywords: Hydrophobically Associating Water-soluble Polymer, Microstructure, Salt, Viscosity

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