SELF-SUPPORTING HYDROGEL AND METHOD FOR PRODUCING SAME
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United States of America Patent
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Nov 5, 2020
app pub date -
Nov 5, 2018
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Nov 6, 2017
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A polymer/nanoparticle composite hydrogel can be produced from an industrially readily available general-purpose material and has excellent mechanical and stretching properties. A hydrogel and a method for producing the same, the hydrogel having a self-supporting property and including a silicate salt (A), a polyalkylene glycol (B), and a dispersant (C) for the silicate salt, the hydrogel being characterized in that: the polyalkylene glycol (B) has a weight average molecular weight, number average molecular weight, or viscosity average molecular weight of 500,000 to 20,000,000; and the amount by mass of the polyalkylene glycol (B) is more than 2% by mass and 20% by mass or less relative to 100% by mass of the hydrogel.
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