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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.1c02135
|2 doi
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|a pubmed24n1106.xml
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|a (NLM)34668715
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Zhang, Shuqing
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Investigation of the Atmospheric Moisture Effect on the Molecular Behavior of an Isocyanate-Based Primer Surface
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 02.11.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a A primer coating is engineered to facilitate compatibility between products like adhesives, sealants, and potting compounds and targeted substrates. Prolonged exposure of isocyanate-based primer surfaces to the environment is known to negatively affect the interfacial adhesion between itself and the products subsequently applied on top of it. However, the molecular behavior behind this observed phenomenon remained to be further investigated. In this study, sum frequency generation (SFG) vibrational spectroscopy, a nonlinear optical spectroscopic technique, was applied to study the surface of an isocyanate-based primer exposed to different environments at the molecular level. Atmospheric moisture was considered to be a potential factor in impairing the adhesion performance of the primer, and thus, time- and humidity-dependent experiments were executed to monitor the molecular behavior at the primer surface using SFG. In addition, 180° peel testing experiments were conducted to measure the adhesion properties of primers after being exposed to the corresponding conditions to correlate to SFG results and establish a chemical structure-macroscopic performance relationship. This study on the changes at the primer surface in different environments with varied humidity levels as a function of time aims to provide an in-depth understanding of the moisture effect on isocyanate-based primers. These learnings may also be helpful toward exploring a broader range of coatings and surface layers and improving customer product use guidelines
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|a Journal Article
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1 |
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|a Hsu, Lorraine
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Toolis, Amy
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Bolin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Jukai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Ting
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Zhan
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 37(2021), 43 vom: 02. Nov., Seite 12705-12713
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
8 |
|g volume:37
|g year:2021
|g number:43
|g day:02
|g month:11
|g pages:12705-12713
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| 856 |
4 |
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|u http://dx.doi.org/10.1021/acs.langmuir.1c02135
|3 Volltext
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