Neutron Reflectivity Study on the Adsorption Layer of Polyethylene Grown on Si Substrate

To investigate the structure of the interface between polyethylene films and substrates, the neutron reflectivity (NR) of deuterated polyethylene (dPE) thin films deposited on Si substrates was measured, demonstrating water accumulation at the interface, even under ambient conditions. After leaching...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - (2024) vom: 16. Juli
1. Verfasser: Shimokita, Keisuke (VerfasserIn)
Weitere Verfasser: Yamamoto, Katsuhiro, Miyata, Noboru, Shibata, Motoki, Nakanishi, Yohei, Arakawa, Masato, Takenaka, Mikihito, Kida, Takumitsu, Tokumitsu, Katsuhisa, Tanaka, Ryo, Shiono, Takeshi, Yamada, Masako, Seto, Hideki, Yamada, Norifumi L, Aoki, Hiroyuki, Miyazaki, Tsukasa
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a To investigate the structure of the interface between polyethylene films and substrates, the neutron reflectivity (NR) of deuterated polyethylene (dPE) thin films deposited on Si substrates was measured, demonstrating water accumulation at the interface, even under ambient conditions. After leaching the thermally annealed dPE films in hot p-xylene, NR measurements were conducted on the layers remaining on the substrate, clearly revealing that the adsorption layer of dPE grew during annealing and consisted of two layers, an inner adsorption layer and an outer adsorption layer, as previously proposed for amorphous polymers. The inner adsorption layer was approximately 3.7 nm thick with a density comparable to that of the bulk. The outer adsorption layer was several nanometers thick and appeared to grow insufficiently on top of the inner adsorption layer under the annealing conditions examined in this study. This study clarifying the growth of the adsorption layer of polyethylene at the interface with an inorganic substrate is useful for improving the performance of polymer/inorganic filler nanocomposites due to the wide utility of crystalline polyolefins as polymer matrix materials in nanocomposites 
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700 1 |a Yamamoto, Katsuhiro  |e verfasserin  |4 aut 
700 1 |a Miyata, Noboru  |e verfasserin  |4 aut 
700 1 |a Shibata, Motoki  |e verfasserin  |4 aut 
700 1 |a Nakanishi, Yohei  |e verfasserin  |4 aut 
700 1 |a Arakawa, Masato  |e verfasserin  |4 aut 
700 1 |a Takenaka, Mikihito  |e verfasserin  |4 aut 
700 1 |a Kida, Takumitsu  |e verfasserin  |4 aut 
700 1 |a Tokumitsu, Katsuhisa  |e verfasserin  |4 aut 
700 1 |a Tanaka, Ryo  |e verfasserin  |4 aut 
700 1 |a Shiono, Takeshi  |e verfasserin  |4 aut 
700 1 |a Yamada, Masako  |e verfasserin  |4 aut 
700 1 |a Seto, Hideki  |e verfasserin  |4 aut 
700 1 |a Yamada, Norifumi L  |e verfasserin  |4 aut 
700 1 |a Aoki, Hiroyuki  |e verfasserin  |4 aut 
700 1 |a Miyazaki, Tsukasa  |e verfasserin  |4 aut 
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