Process for preparing a block copolymer
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United States of America Patent
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May 7, 1996
Grant Date -
N/A
app pub date -
Jun 30, 1994
filing date -
Jun 30, 1993
priority date (Note) -
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Abstract
A block copolymer containing a non-polar polymer block and a polar polymer block was prepared by using an anionic polymerization initiator, by reacting an organic compound which can form an ate complex at the active end of the non-polar polymer block, the compound which contains a main group element of II or III group, before the addition of the polar monomer.
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