| http://www.w3.org/ns/prov#value | - In other embodiments, a water-soluble pressure-sensitive adhesive according to the invention includes as a polymer HPC (about 0-50 weight %) and, optionally, (up to about 50 weight %) one or more of PVP, PVA, PEO, starch, polysucrose or other polysaccharide, xanthan gum, or karaya gum; and glycerin as a plasticizer (about 11-60 weight % and, preferably about 30-50 weight % for PVP- or HPC-containi
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