High impact, highly transparent linear styrene-diene block copolymers with five or more blocks and their preparations by anionic dispersion polymerization
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United States of America Patent
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Oct 3, 1989
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N/A
app pub date -
Jun 22, 1987
filing date -
Aug 28, 1986
priority date (Note) -
Expired
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Abstract
High molecular weight linear block copolymers containing 5 or more alternating blocks of (A) polymerized styrene or alkyl substituted styrene units, and (B) polymerized conjugated diene units, terminated by (A) units, are prepared by anionic dispersion polymerization to give clear polymers having excellent physical properties.
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