Maleimide-terminated sulfur-containing polymers, compositions thereof, and uses thereof
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United States of America Patent
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Apr 4, 2017
Grant Date -
Apr 30, 2015
app pub date -
Oct 29, 2013
filing date -
Oct 29, 2013
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Abstract
Sulfur-containing polymer adducts such as polythioethers, polysulfides, and sulfur-containing polyformals having terminal maleimide groups, and in particular, sulfur-containing polymers and sulfur containing adducts having terminal 1,1′-(methylenedi-4,1-phenylene)bismaleimide groups are disclosed. The adducts provide cured sealants having improved tensile strength and elongation and are useful as aerospace sealants.
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