Synthesis and performance evaluation of temperature and salt-resistant organic/inorganic composite copolymers.

As shown in Figure 3(b) , the viscosity of the copolymers showed a trend of increasing and then decreasing, which indicated that different grafting rates of silica had a significant effect on the structure and state of the polymer molecules in solution, thus affecting the viscosity of the copolymers.

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With the increase in inorganic salt concentration, the viscosity and particle size of the two copolymers showed a decreasing trend.

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