Prepolymers exhibiting rapid development of physical properties
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United States of America Patent
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Mar 20, 2018
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app pub date -
Jun 28, 2016
filing date -
Jun 28, 2016
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Abstract
Hydroxyl-containing bis(alkenyl) ethers can be incorporated into the backbone of polythioether prepolymers and can be used as curing agents in thiol-terminated polythioether prepolymer compositions. Cured sealants prepared using compositions containing hydroxyl-containing bis(alkenyl) ether-containing polythioether prepolymers and/or hydroxyl-containing bis(alkenyl) ether curing agents exhibit improved physical properties such as rapid curing and compatibility with fillers suitable for use in aerospace sealant applications.
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