| http://www.w3.org/ns/prov#value | - polymerization of an alpha, beta ethylenically unsaturated compound, R1 is H or lower (C1 -C4) alkyl, R2 is --CH2 --CH2 --On H, ##STR8## monohydroxylated C1 -C8 alkyl, monohydroxylated C1 -C8 alkylene, di- or polyhydroxy C1 -C8 alkylene, n is an integer of from about 1 to about 20, a is 0 or 1, R3 is hydrogen or an acetate form by reacting an acetylating agent with an allyl ether, the molar ratio
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