Polyurethane elastomers for use in subsea pipeline insulation
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United States of America Patent
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Jun 21, 2016
Grant Date -
Mar 19, 2015
app pub date -
Sep 16, 2013
filing date -
Sep 16, 2013
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Abstract
Polyurethane systems that cure similarly to systems based on mercury catalysts contain 1,4-butanediol and a zinc carboxylate catalyst. These systems cure and develop green strength similarly to systems based on mercury catalysts. These systems are especially useful in making insulated pipe joints for subsea pipeline installations.
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