The diffusion of water molecule and the relaxation of the chains of the polymer both contribute to the SAP swelling,but the SAP size and the solution concentration play more important roles.

 
  • 实验结果表明:水分子的扩散和树脂大分子链段的松弛对树脂的溶胀均有贡献,但两者贡献大小与树脂粒度和溶液浓度有关。
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