Importance

Loading Importance Indicators...

Abstract

The present disclosure refers to a method of preparing a hydrogel, comprising: (i) preparing a mixture of water-soluble polymer, inorganic acid, and radiation-reflecting inorganic particles; (ii) adding a crosslinking agent to the mixture to form a hydrogel precursor; (iii) freezing and thawing the hydrogel precursor thereby forming a hydrogel, wherein the hydrogel precursor comprises: about 5 wt % to about 30 wt % of water-soluble polymer; about 0.3 wt % to about 2.5 wt % of inorganic acid; about 0.05 wt % to about 0.5 wt % of crosslinking agent; and about 3 wt % to about 70 wt % of a radiation-reflecting inorganic particle, wherein the wt % is based on the total weight of the hydrogel precursor. The present disclosure also refers to a hydrogel precursor, and a hydrogel obtained by the method disclosed herein. The present disclosure also refers to a hydrogel comprising: about 5 wt % to about 30 wt % of water-soluble polymer; about 0.1 wt % to about 1.5 wt % of crosslinking agent; and about 3 wt % to about 70 wt % of a radiation-reflecting inorganic particle, wherein the wt % is based on the total weight of the hydrogel.

Loading the Abstract Image...

First Claim