| http://www.w3.org/ns/prov#value | - opening polymerization of ethylene oxide, propylene oxide, and tetrahydrofuran or the like using polyol such as glycerine, trimethylol propane or the like as an initiator, and polyols containing a terminal amino group obtained by substitutionally changing a terminal hydroxyl group thereof into an amino group according to a known amination treatment; and the like.
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