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|a 10.1021/acs.langmuir.4c01449
|2 doi
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|a eng
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|a Zhang, Shuqing
|e verfasserin
|4 aut
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|a Probing the Saltwater Immersion Effect on Buried Interfacial Structures between a Sealant and Adhesion Promoter at the Molecular Level
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 16.08.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a In this research, we used sum frequency generation vibrational spectroscopy to investigate the buried interface of a thiol-epoxy model aerospace sealant in contact with a silane-based adhesion promoter (6111) following exposures to 3% saltwater at elevated temperatures and elevated temperatures alone. The results suggest that the saltwater caused a change at the interface between the adhesion promoter and sealant, while an elevated temperature of 60 °C itself did not affect the interfacial structure noticeably. Model hydrolyzed and nonhydrolyzed silanes were also used in the study to compare with the adhesion promoter 6111 to understand the interfacial behavior of main silane components in 6111 as well as their potential role in adhesion. The amino silane in 6111 likely segregates more at the sealant/adhesion promoter interface and interacts with the sealant compared to the vinyl silane. The results imply that the saltwater immersion process led to the disordering of the adhesion promoter/sealant interface (caused by interfacial structural randomization), which could potentially have implications for adhesion
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|a Journal Article
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|a Fu, Na
|e verfasserin
|4 aut
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|a Cui, Weibin
|e verfasserin
|4 aut
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|a Peng, Shane
|e verfasserin
|4 aut
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|a Srivatsan, Nagarajan
|e verfasserin
|4 aut
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|a Chen, Zhan
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
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|u http://dx.doi.org/10.1021/acs.langmuir.4c01449
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