| http://www.w3.org/ns/prov#value | - In general, the living block copolymers useful in this invention will have the general formula (A-B)-M wherein A and B are as defined in the aforementioned U.S. Pat. Nos. 3,231,635; 3,265,765 and 3,322,856 and wherein M is a metal, particularly an alkali metal and preferably lithium.
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