How do disposable diapers trap liquids?
Answered by Science Channel
  • Science Channel

    Science Channel

  1. Disposable diapers work by turning liquid into gel. Dispersed in the diaper padding are crystals of sodium polyacrylate, which is a polymer with the capacity to absorb up to three hundred times its weight in water. As it absorbs fluids, it changes from its original, crystallized form to a gel, keeping the liquid inside the diaper.

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