ABA tri-block copolymer
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United States of America Patent
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Oct 14, 2008
Grant Date -
May 15, 2008
app pub date -
May 2, 2007
filing date -
Nov 10, 2006
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Expired
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Abstract
An ABA tri-block copolymer represented by the following formula (1) ##STR00001## [in the formula (1), n and m are each independently an integer of 30 to 1,000]. The copolymer is a so-called ABA tri-block copolymer between 8-vinyloxytricyclo [5.2.1.0.sup.2.6] decane and n-butyl vinyl ether, has rubber elasticity at normal temperature, and has a property of thermoplastic elastomer which has not been possessed by conventional vinyl ether copolymers.
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