WATER-ABSORBING RESIN PARTICLES, ABSORBENT, AND ABSORBENT ARTICLE
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United States of America Patent
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Mar 28, 2024
app pub date -
Nov 30, 2021
filing date -
Dec 9, 2020
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Water-absorbent resin particles have polymer particles; and a polymer disposed on at least a part of a surface of the polymer particle, in which a surface free energy is 14.0 to 33.0 mJ/m2, and a fracture energy of the polymer determined from a stress-strain curve in a tensile test at a tensile rate of 200 mm/min is 2.00×106 J/m3 or more. An absorber contains the water-absorbent resin particles. An absorbent article has the absorber.
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