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A continuous solid network enveloped in a continuous liquid phase; the solid phase typically occupies less than 10 vol % of the gel. Gels can be...


= Encyclopedia Article; = Research Update
Figure 1.Gel structures. (a) Agglomerated particles. (b) Framework of fibers or plates. (c) Polymers linked by crystalline junctions. (d) Polymers linked by covalent bonds. (After M. Djabourov, Architecture of gelatin gels, Contemp. Phys., 29(3):273–297, 1988)
From Encyclopedia article 'Gel'
Figure 2.Electron micrograph of a gelatin gel, where the solid phase occupies 2% of the total volume. The arrows indicate latex particles with diameter of 90 nm that were included in the solution before gelation to serve as markers. The water was removed from the gel by vitrification (rapid quenching causing freezing without crystallization of the water) and sublimation. (From M. Djabourov, Architecture of gelatin gels, Contemp. Phys., 29(3):273–297, 1988)
From Encyclopedia article 'Gel'
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