New synthetic method of hydroxyl-terminated telechelic polyacetals based on polyaddition of hydroxyalkyl vinyl ether in the presence of diol
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- HASHIMOTO Tamotsu
- Department of Materials Science and Engineering, Faculty of Engineering, Fukui University
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- UMEHARA Akihiro
- Department of Materials Science and Engineering, Faculty of Engineering, Fukui University
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- ISHIZUKA Koji
- Department of Materials Science and Engineering, Faculty of Engineering, Fukui University
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- KODAIRA Toshiyuki
- Department of Materials Science and Engineering, Faculty of Engineering, Fukui University
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Hydroxyl-terminated telechelic polyacetals were synthesized by polyaddition of 4-hydroxybutyl vinyl ether (HBVE; CH2=CH-O-CH2CH2CH2CH2-OH) in the presence of 1, 4-butanediol with p-toluenesulfonic acid monohydrate (TSAM) as a catalyst in tetrahydrofuran (THF) at 0°C. The structural analysis showed that the produced polymers had hydroxyl groups at both the chain ends. The polyacetals thus obtained were stable under neutral and basic conditions, but exhibited smooth degradation with treatment of acid to give 1, 4-butanediol in quantitative yield. The polymers were highly viscous liquid and its glass transition temperature (Tg) was -72°C.
収録刊行物
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- Proceedings of the Japan Academy. Ser. B: Physical and Biological Sciences
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Proceedings of the Japan Academy. Ser. B: Physical and Biological Sciences 77 (4), 63-67, 2001
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詳細情報 詳細情報について
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- CRID
- 1390001204145413376
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- NII論文ID
- 130000907950
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- NII書誌ID
- AA00785485
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- ISSN
- 13492896
- 03862208
- http://id.crossref.org/issn/03862208
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- NDL書誌ID
- 5782232
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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
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可