| http://www.w3.org/ns/prov#value | - Microcapsules in which the core is a single liquid droplet and the shell is a fusible material are known. (See, for example, Kirk-Othmer Encyclopedia of Chemical Technology, 3d ed., Vol. 15, pages 473-474.) The microcapsules described there are produced by a process developed by the Southwest Research Institute, in which the core phase of material and the shell phase are separately liquefied and s
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