制御された触媒移転ポリコンデンセーションと,p-フェニレンエチニレンベースのモノメールの表面開始ポリメリゼーション
Songsu Kang1, Robert J Ono, Christopher W Bielawski
1Department of Chemistry and Biochemistry, The University of Texas at Austin , Austin, Texas 78712, United States.
Journal of the American Chemical Society
|March 26, 2013
まとめ
新しい触媒移転ポリコンデンサ法により,制御された分子量を持つ,明確に定義されたポリ p-フェニレンエチニレン (PPE) が得られます. この連鎖成長ポリメリゼーションにより,PPEブロックコポリマーと表面移植PPEブラシの合成が可能になります.
科学分野:
- ポリマー化学のポリマー化学について
- オーガニック・シンセシス オーガニック・シンセシス
- 材料科学 材料科学とは
背景:
- ポリ ((p-フェニレンエチニレン) (PPE) は,重要な光電子特性を持つ有力な結合ポリマーである.
- 明確に定義されたPPEアーキテクチャの制御された合成は,ポリマー化学における課題です.
研究 の 目的:
- 明確に定義されたPPEを合成するための新しい触媒移転ポリコンデンサ法を開発する.
- ポリマーの分子量と構造のコントロールを証明するために.
- ブロックコポリマーおよび表面移植ポリマーの作成におけるこの方法の応用を探求する.
主な方法:
- スタニル化4-イオドフェニラセチレン誘導体とパラジウム触媒 (PhPd(t-Bu3P) Br) を使用した触媒移転ポリコンデンサーション.
- 分子重量とポリマーの性質を制御するための反応条件の最適化.
- ブロックコポリマーと表面開始ポリマーブラシを合成するためのチェーン成長ポリメリゼーション技術.
主要な成果:
- 明確に定義されたPPEの最大94%の収量を達成しました.
- モノメア消費でポリマー分子量の線形増加が実証されています.
- シリカナノ粒子からPPEを含むブロックコポリマーとPPEブラシを成功裏に生産しました.
結論:
- 触媒移転ポリコンデンサは,明確に定義されたPPEを合成するための効果的な方法です.
- チェーン成長の性質は,ブロックコポリマーや表面接合材料を含むポリマーアーキテクチャの正確な制御を可能にします.
- この方法論は,さまざまな用途のための高度な結合ポリマー材料を作成するための新しい道を開きます.
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