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公开(公告)号:US09580635B2
公开(公告)日:2017-02-28
申请号:US14319191
申请日:2014-06-30
Applicant: PRC-DeSoto International, Inc.
Inventor: Nagarajan Srivatsan , Alfredo Reyes , Sean Manion , Juexiao Cai , Marfi Ito , Renhe Lin
CPC classification number: C09K3/1006 , C08G18/10 , C08G18/52 , C08G18/56 , C08G18/755 , C08G18/758 , C08G18/798 , C08G2190/00 , C08G18/281 , C08G18/3868
Abstract: Disclosed are polyurea compositions comprising the reaction products of a polyformal-isocyanate prepolymer and a curing agent comprising an amine. The compositions are useful as sealants in aerospace applications.
Abstract translation: 公开了包含聚甲醛 - 异氰酸酯预聚物和包含胺的固化剂的反应产物的聚脲组合物。 该组合物可用作航空航天应用中的密封剂。
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公开(公告)号:US10053606B2
公开(公告)日:2018-08-21
申请号:US14922316
申请日:2015-10-26
Applicant: PRC-DeSoto International, Inc.
Inventor: Bruce Virnelson , Adam Stott , Sean Manion , Brian Bertino , Nagarajan Srivatsan
CPC classification number: C09K3/1012 , C08G65/32 , C08G75/00 , C08G75/04 , C08J7/00 , C08L81/00 , C23F11/188
Abstract: Compositions comprising thiol-terminated polythioether prepolymers, polyepoxides and non-chromate corrosion inhibitors suitable for use in aerospace sealant applications are disclosed. Sealants prepared using the compositions adhere to a variety of aerospace substrates following exposure to aerospace fluids.
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