Blocked 1,8-diazabicyclo[5.4.0]undec-7-ene bicarbonate catalyst for aerospace sealants

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United States of America Patent

PATENT NO 9988487
APP PUB NO 20170166689A1
SERIAL NO

14964785

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Abstract

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Compositions comprising sulfur-containing prepolymers such as polythioether prepolymers, polyepoxides, and a blocked 1,8-diazabicyclo[5.4.0]undec-7-ene bicarbonate catalyst useful as aerospace sealants are disclosed. The compositions exhibit extended working time and the curing rate can be tailored for specific applications.

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Patent Owner(s)

Patent OwnerAddress
PRC-DESOTO INTERNATIONAL INC5430 SAN FERNANDO ROAD GLENDALE CA 91203

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cai, Juexiao Stevenson Ranch, US 38 339
Lin, Renhe Stevenson Ranch, US 79 678
Zhou, Hongying Allison Park, US 85 152

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