Synthesis and Film Formation of Poly(phenylene sulfide) Dendrimers and Dendrons
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- Yemul Omprakash
- Research Center for Materials Science, Nagoya University
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- Ujihara Masaki
- Graduate School of Science, Nagoya University
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- Maki Norio
- Graduate School of Science, Nagoya University
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- Imae Toyoko
- Research Center for Materials Science, Nagoya University Graduate School of Science, Nagoya University
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Poly(phenylene sulfide) dendrimers up to fourth generation were synthesized by divergent method from 1,3,5-tris(4-chloro-phenylene-1-thio)benzene. All the dendrimers are soluble in polar organic solvents at room temperature. The chemical structures at the synthesis steps were confirmed by spectroscopic method. X-Ray diffraction study revealed that all dendrimers are semi-crystalline in nature. Carboxy focal poly(phenylene sulfide) dendrons were synthesized up to second generation by divergent method from 3,5-dichlorobenzoicacid. On surface pressure–area isotherm at air–water interface, third generation poly(phenylene sulfide) dendrimer displayed hysteresis. Its occupied surface area was smaller than the calculated values as well as a case of second generation poly(phenylene sulfide) dendron. Atomic force microscopic images of their LB films presented accumulation and aggregation of molecular layers. On the other hand, adsorption films of dendrimer and dendron were fundamentally monolayer. Molecular arrangements in the LB and adsorption films and the driving forces of the film formation were discussed.
収録刊行物
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- Polymer Journal
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Polymer Journal 37 (2), 82-93, 2005
The Society of Polymer Science, Japan
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詳細情報 詳細情報について
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- CRID
- 1390001206289914240
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- NII論文ID
- 130004430642
- 10014360542
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- NII書誌ID
- AA00777013
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- ISSN
- 13490540
- 00323896
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- NDL書誌ID
- 7245959
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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