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Updated: Sep 18, 2025

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聚合物微气泡作为加速聚合物机械化学的通用平台.

Jilin Fan1,2, Regina Lennarz3, Kuan Zhang1,2,4

  • 1Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, 52074, Aachen, Germany.

Nature communications
|June 25, 2025
PubMed
概括

聚合物微气泡 (PMB) 加快了超声波诱导的聚合物激活. PMB能够高效地将声音能量转化为机械力,从而使机械化学反应更快,并可用于潜在的生物医学用途.

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Cationic Chain-Growth Polymerization: Mechanism00:57

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The cationic polymerization mechanism consists of three steps: initiation, propagation, and termination. In the initiation step of the polymerization process, the π bond of a monomer gets protonated by the Lewis acid catalyst, which is formed from boron trifluoride and water. The protonation of the π bond generates a carbocation stabilized by the electron‐donating group. In the propagation step, the π bond of the second monomer acts as a nucleophile and attacks the...
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