Synthesis and Condensation of 3-(Triethoxysilyl)propyl-Terminated Polystyrene
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- Suzuki Keita
- Department of Applied Chemistry, Nagoya Institute of Technology
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- Oku Jun-ichi
- Department of Applied Chemistry, Nagoya Institute of Technology
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- Takaki Mikio
- Department of Applied Chemistry, Nagoya Institute of Technology
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- Okabayashi Hirofumi
- Department of Applied Chemistry, Nagoya Institute of Technology
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- O’Connor Charmian J.
- Department of Chemistry, The University of Auckland
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A well-defined polymeric silane coupling agent, 3-(triethoxysilyl)propyl-terminated polystyrene (TESiP-PS) was synthesized by reaction of polystyryllithium with (3-chloropropyl)triethoxysilane. The reaction is greatly affected by reaction conditions. The yield of TESiP-PS was quantitative in a benzene/tetrahydrofuran medium at 0°C, whereas it was as low as 5% in benzene at room temperature. TESiP-PS obtained under the former conditions has 95% functionality and a monodispersity of 1.05. Condensation of TESiP-PS proceeds quantitatively in the presence of either base or acid catalyst. This result is different from that for triethoxysilyl-terminated polystyrene (TESi-PS), which undergoes complete cleavage in the presence of base catalysts. This sharp difference indicates that the introduction of a trimethylene group between the trimethoxysilyl group and polystyrene effectively suppressed the cleavage reaction.
収録刊行物
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- Polymer Journal
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Polymer Journal 35 (12), 938-944, 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
- 1390282681267403648
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- NII論文ID
- 10011839352
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- NII書誌ID
- AA00777013
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- COI
- 1:CAS:528:DC%2BD2cXitFSh
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- ISSN
- 13490540
- 00323896
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- NDL書誌ID
- 6789236
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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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