Relationships between lateral force and viscoelastic properties for amorphous polymer films based on lateral force microscopy

Won Ki Lee, Jeong Sik Yoon, Keiji Tanaka, Noriaki Satomi, Xiqun Jiang, Atsushi Takahara, Chang Sik Ha, Tisato Kajiyama

研究成果: ジャーナルへの寄稿記事

8 引用 (Scopus)

抄録

The relationships between lateral force and viscoelastic properties of amorphous polymer surfaces with Tg's lower and higher than room temperature (295 K, RT) and their blend systems have been studied on the basis of lateral force microscopic (LFM) measurement. Under the conditions of scanning rate of 10 2 -10 5 nm sec -1 , normal load of 5 nN and RT, the lateral forces of poly(methyl methacrylate) (PMMA) and polyisoprene (PI) homopolymers with Tg's fairly higher and lower than RT, respectively, did not depend on the scanning rate. Whereas, the lateral force of poly(methyl acrylate) (PMA) with Tg≤RT decreased with an increase in the scanning rate. Also, poly(vinyl acetate) (PVAc) with Tg≥RT showed slight dependence on the scanning rate. The scanning rate dependence of lateral force was similar to the frequency dependence of mechanical loss modulus. The results indicate that the magnitude of lateral force strongly depends on the state of thermal molecular motion. The lateral force-viscoelastic properties of miscible polymer blends was also investigated by LFM.

元の言語英語
ページ(範囲)369-376
ページ数8
ジャーナルPolymer Bulletin
39
発行部数3
DOI
出版物ステータス出版済み - 1 1 1997

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Amorphous films
Polymer films
Microscopic examination
microscopy
Scanning
polymers
scanning
Polyisoprenes
Polymethyl Methacrylate
Polymer blends
Homopolymerization
Polymethyl methacrylates
polyisoprenes
Polymers
polymer blends
acrylates
polymethyl methacrylate
acetates
room temperature
Temperature

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Polymers and Plastics
  • Materials Chemistry

これを引用

Relationships between lateral force and viscoelastic properties for amorphous polymer films based on lateral force microscopy. / Lee, Won Ki; Yoon, Jeong Sik; Tanaka, Keiji; Satomi, Noriaki; Jiang, Xiqun; Takahara, Atsushi; Ha, Chang Sik; Kajiyama, Tisato.

:: Polymer Bulletin, 巻 39, 番号 3, 01.01.1997, p. 369-376.

研究成果: ジャーナルへの寄稿記事

Lee, Won Ki ; Yoon, Jeong Sik ; Tanaka, Keiji ; Satomi, Noriaki ; Jiang, Xiqun ; Takahara, Atsushi ; Ha, Chang Sik ; Kajiyama, Tisato. / Relationships between lateral force and viscoelastic properties for amorphous polymer films based on lateral force microscopy. :: Polymer Bulletin. 1997 ; 巻 39, 番号 3. pp. 369-376.
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abstract = "The relationships between lateral force and viscoelastic properties of amorphous polymer surfaces with Tg's lower and higher than room temperature (295 K, RT) and their blend systems have been studied on the basis of lateral force microscopic (LFM) measurement. Under the conditions of scanning rate of 10 2 -10 5 nm sec -1 , normal load of 5 nN and RT, the lateral forces of poly(methyl methacrylate) (PMMA) and polyisoprene (PI) homopolymers with Tg's fairly higher and lower than RT, respectively, did not depend on the scanning rate. Whereas, the lateral force of poly(methyl acrylate) (PMA) with Tg≤RT decreased with an increase in the scanning rate. Also, poly(vinyl acetate) (PVAc) with Tg≥RT showed slight dependence on the scanning rate. The scanning rate dependence of lateral force was similar to the frequency dependence of mechanical loss modulus. The results indicate that the magnitude of lateral force strongly depends on the state of thermal molecular motion. The lateral force-viscoelastic properties of miscible polymer blends was also investigated by LFM.",
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AU - Jiang, Xiqun

AU - Takahara, Atsushi

AU - Ha, Chang Sik

AU - Kajiyama, Tisato

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AB - The relationships between lateral force and viscoelastic properties of amorphous polymer surfaces with Tg's lower and higher than room temperature (295 K, RT) and their blend systems have been studied on the basis of lateral force microscopic (LFM) measurement. Under the conditions of scanning rate of 10 2 -10 5 nm sec -1 , normal load of 5 nN and RT, the lateral forces of poly(methyl methacrylate) (PMMA) and polyisoprene (PI) homopolymers with Tg's fairly higher and lower than RT, respectively, did not depend on the scanning rate. Whereas, the lateral force of poly(methyl acrylate) (PMA) with Tg≤RT decreased with an increase in the scanning rate. Also, poly(vinyl acetate) (PVAc) with Tg≥RT showed slight dependence on the scanning rate. The scanning rate dependence of lateral force was similar to the frequency dependence of mechanical loss modulus. The results indicate that the magnitude of lateral force strongly depends on the state of thermal molecular motion. The lateral force-viscoelastic properties of miscible polymer blends was also investigated by LFM.

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