Absorbent articles comprising absorbent materials exhibiting deswell/reswell

Absorbent articles comprising absorbent materials exhibiting deswell/reswell

  • CN 101,932,345 B
  • Filed: 01/19/2009
  • Issued: 04/29/2015
  • Est. Priority Date: 01/30/2008
  • Status: Active Grant
First Claim
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1. an absorbent commodity, comprising:

  • Absorbent cores;

    Wherein, described absorbent cores comprises absorbing composition, and described absorbing composition comprises;

    A. have the SAP of anionic functional group, described SAP comprises the crosslinked polyacrylic acid of part neutralization, and it has the neutralizing acid functional group of 40 % by mole to 60 % by mole and has centrifugal guarantor'"'"'s liquid rate of at least 25g/g;

    B. the deswelling initiator containing the first water soluble chemical substance, this first water soluble chemical substance comprises the cation X of the ioni valence with 2 or higher;

    C. swelling initiator again, comprises the second water soluble chemical substance containing anion Y;

    Wherein, the cation X of this first water soluble chemical substance can with anionic functional group'"'"'s complexation of this SAP, and the anion Y of this second water soluble chemical substance can be formed with this cation X complexation and has solubility product constant Ksp<

    10 -5salt.

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