Process for preparing superabsorbent polymers

By using an aqueous dispersion of hydrophobic particles to capture bubbles in the monomer polymerization step, the problem of bubble capture in the prior art is solved, and the high absorption rate and surface area of ​​the superabsorbent polymer are improved.

CN116438226BActive Publication Date: 2026-06-26LG CHEM LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
LG CHEM LTD
Filing Date
2021-12-17
Publication Date
2026-06-26

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Abstract

The present invention relates to a method for preparing a superabsorbent polymer. More specifically, the preparation method performs a polymerization reaction of a monomer in the presence of an aqueous dispersion of hydrophobic particles, thus enabling the preparation of a superabsorbent polymer having an improved absorption rate without deterioration in absorption properties.
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Citation Information

Patent Citations

  • JP2011252080A

  • KR20190072298A