C3 Cyclopolymerization VI1. Direct Observation of the Propagating Species in the Cationic Polymerization of 1,3-Bis(P-vinylphenyl)propane in 1,2-Dichloroethane
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- Nishimura Jun
- Department of Chemistry, Kyoto Institute of Technology
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- Ishida Yoshiaki
- Department of Chemistry, Kyoto Institute of Technology
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- Yamashita Shinzo
- Department of Chemistry, Kyoto Institute of Technology
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- Hasegawa Hiroshi
- Department of Polymer Chemistry, Faculty of Engineering, Kyoto University
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- Sawamoto Mitsuo
- Department of Polymer Chemistry, Faculty of Engineering, Kyoto University
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- Higashimura Toshinobu
- Department of Polymer Chemistry, Faculty of Engineering, Kyoto University
書誌事項
- タイトル別名
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- C3 cyclopolymerization VI. Direct observation of the propagating species in the cationic polymerization of 1,3-bis(p-vinylphenyl)propane in 1,2-dichloroethane.
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説明
Stopped-flow spectroscopy was used to study the cationic propagating species in the polymerization of 1,3-bis(P-vinylphenyl)propane and 1,2-bis(P-vinylphenyl)ethane by tri-fluoromethanesulfonic acid in 1,2-dichloroethane. The cationic species generated from the former monomer was found to show a bathochromically shifted absorption at 360 nm, exceeding those of the cationic species generated from the latter monomer (345 nm) and P-methylstyrene (332 nm). This shift is ascribed to the stabilization of the cationic center by an intramolecular through-space interaction with the adjacent terminal styryl group. This stabilization was also suggested by molecular orbital calculation. It is concluded that this interaction facilitates the cyclopolymerization of 1,3-bis(P-vinylphenyl)propane.
収録刊行物
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- Polymer Journal
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Polymer Journal 15 (4), 303-307, 1983
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
- 1390282681267510400
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- NII論文ID
- 130004767741
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- COI
- 1:CAS:528:DyaL3sXitFKjtrg%3D
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- ISSN
- 13490540
- 00323896
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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
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- CiNii Articles
- OpenAIRE
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- 抄録ライセンスフラグ
- 使用不可
