ミシェル・アセンブリ. ミシェル・アセンブリ. アンフィフィリックの円筒形のブロックコミセルの多次元的な階層的な自己組み立て
Huibin Qiu1, Zachary M Hudson1, Mitchell A Winnik2
1School of Chemistry, University of Bristol, Bristol BS8 1TS, UK.
Science (New York, N.Y.)
|March 21, 2015
まとめ
研究者は,アンフィフィリックブロックコポリマーを使用して,大規模で階層的なスーパーミセルとスーパーストラクチャを作成しました. これらの新しいアセンブリは,多層組織とマイクロメートルの尺度で自然素材を真似しています.
科学分野:
- ポリマーサイエンスの科学
- マテリアルサイエンス 材料科学
- 超分子化学 超分子化学
背景:
- ブロックコポリマーは,様々なミセラ構造に自己組み立てることが知られている.
- 階層的な自己組み立ては,自然素材の重要な特徴です.
研究 の 目的:
- 分子およびブロックコポリマーアンフィフィールに類似した新しい,より長いスケールの自己組み立てプロセスを実証するために.
- アンフィフィリックトライブロックコミセルを使用して,階層的な円筒形のスーパーミセルとスーパーストラクチャを作成します.
主な方法:
- モノディスペルゼ水性 (H) と極性 (P) セグメントを持つアンフィフィリック P-H-PとH-P-Hの円筒型トライブロックコミセルを使用した.
- 中央または端末セグメントに選択的な非溶媒で誘導された自己組み立て.
- サイド・バイ・サイドおよびエンド・ツー・エンド・アセンブリの形成を調査した.
主要な成果:
- トライブロック・コミセルを円筒状のスーパーミセルに自己組み立てることを達成した.
- 形成された一次元 (1D) と三次元 (3D) のスーパーストラクチャ.
- 溶液状態と固体状態の両方でこれらのアセンブリの安定性を実証しました.
- マルチマイクロメートルの長さスケールで展示された多層構造階層.
結論:
- ブロックコポリマーから大規模,階層的な自己組み立て構造を作成するための新しいルートを確立しました.
- これらの上層構造は,自然の階層的な材料に見られる複雑性とスケールを模倣します.
- この発見は,調節可能な性質と複雑な構造を持つ高度な材料を設計するための道を開く.
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