Coupling Reaction of Two Kinds of Molecular-Weight Controlled Biodegradable Polymers
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- Zhou Jin
- Department of Environmental Technology and Urban Planning, Graduate School of Engineering
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- Kaga Aiko
- Department of Environmental Technology and Urban Planning, Graduate School of Engineering
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- Takasu Akinori
- Department of Environmental Technology and Urban Planning, Graduate School of Engineering
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- Inai Yoshihito
- Department of Environmental Technology and Urban Planning, Graduate School of Engineering
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- Hirabayashi Tadamichi
- Department of Environmental Technology and Urban Planning, Graduate School of Engineering
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説明
Poly(ε-caprolactone) (PCL) having controlled molecular weight was synthesized by ring opening polymerization of ε-caprolactone (CL) initiated by ethanol with stannous(II) octanoate or scandium(III) trifluoromethane sulfonate as a catalyst. The hydroxyl end group of the resulting polymer was converted to trimethylsiloxyl group by using hexamethyldisilazane. On the other hand, poly(vinyloxy-t-butyldimethylsilane) (PVOTBDMS) was obtained by aldol-type of group transfer polymerization. Under the presence of ZnBr2 or TiCl4 as the catalyst, the coupling reaction of above two precursor polymers was carried out so as to build PCL-block-PVOTBDMS with controlled molecular weight and narrow molecular weight distribution. The PCL-block-PVA as the final goal could be obtained by elimination of the silyl groups in the above block copolymer.
収録刊行物
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- Polymer Journal
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Polymer Journal 35 (10), 757-765, 2003
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
- 1390001206290794880
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- NII論文ID
- 130004430452
- 10012443543
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- NII書誌ID
- AA00777013
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- COI
- 1:CAS:528:DC%2BD3sXosFGjs7c%3D
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- ISSN
- 13490540
- 00323896
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- NDL書誌ID
- 6715077
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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