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Citation: LI Lin-Hui, GUO Yong-Jun, LUO Ping-Ya, LUI Jun, XU Chun-Mei. Synthesis and Solution Properties of A Hydrophobically Associating Water-soluble Polymer[J]. Chinese Journal of Applied Chemistry, ;2003, 20(11): 1048-1051. shu

Synthesis and Solution Properties of A Hydrophobically Associating Water-soluble Polymer

1.
College of Chemical Engineering, Southwest Petroleum Institute, Nanchong 637001

Corresponding author: GUO Yong-Jun,
Received Date: 22 January 2003
Available Online: 29 July 2003
Fund Project: 国家自然科学基金(29974022) (29974022)油气藏地质及开发工程国家重点实验室开放基金(PLN0112)资助课题 (PLN0112)

A hydrophobically associating water-soluble polymer HAWP-18 has been synthesized by copoly-merization of acrylamide(AM), sodium acrylate(NaAA) and octadecyl dimethylallyl ammonium chloride(MJ-18). The effects of copolymer concentration, salt concentration, temperature and surfactant concentration on the viscosity of the copolymer have been studied. The results show that the solution viscosity increases sharply when the mass fraction of the copolymer is higher than critical associating concentration(c^*); the viscosity of the dilute solution of the polymer decreases swiftly when NaCl is added, but that of the semidilute one increases; on adding of CaCl₂, the apparent viscosity increases at first and then decreases. The viscosity of copolymer solution has a maximum value as function of sodium dodecyl sulfate(SDS) added.
- hydrophobically associating water-soluble polymer,
- viscosity,
- salt resistance,
- surfactant,
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