| http://www.w3.org/ns/prov#value | - One typical example of producing a polyacetal copolymer comprises introducing a high-purity trioxane and a copolymerizing component such as ethylene oxide or 1,3-dioxolane into an organic solvent such as cyclohexane, then subjecting them into cationic polymerization in the presence of a Lewis acid catalyst such as boron trifluoride-diethyl ether complex, and thereafter inactivating the catalyst an
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