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Photo-Deactivation Strategy for Switchable ATRP with the Assistance of Molecular Switches.
Zhang, Weidong; Chen, Zhuan; Zhang, Zhengbiao.
Afiliación
  • Zhang W; Center for Soft Condensed Matter Physics and Interdisciplinary Research & Jiangsu Key Laboratory of Frontier Material Physics and Devices, School of Physical Science and Technology, Soochow University, Suzhou, 215006, P. R. China.
  • Chen Z; Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry Engineering and Materials Science of Soochow University, Suzhou, 215123, China.
  • Zhang Z; Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry Engineering and Materials Science of Soochow University, Suzhou, 215123, China.
Macromol Rapid Commun ; 45(15): e2400162, 2024 Aug.
Article en En | MEDLINE | ID: mdl-38719215
ABSTRACT
Light irradiation is an external stimulus, rapidly developed in switchable atom transfer radical polymerization (ATRP) via photo-activation methods in recent years. Herein, a photo-deactivation strategy is introduced to regulate ATRP with the assistance of photoswitchable hexaarylbiimidozole (HABI). Under visible light irradiation and in the presence of HABI, ATRP is greatly decelerated or quenched depending on the concentration of HABI. Interestingly, with visible light off, ATRP can proceed smoothly and follow a first-order kinetics. Moreover, photo-switchable ATRP alternatively with light off and on is demonstrated. Besides, the mechanism of photo-deactivation ATRP involving radical quenching is proposed in the presence of HABI.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Procesos Fotoquímicos / Polimerizacion / Luz Idioma: En Revista: Macromol Rapid Commun Año: 2024 Tipo del documento: Article Pais de publicación: Alemania
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Procesos Fotoquímicos / Polimerizacion / Luz Idioma: En Revista: Macromol Rapid Commun Año: 2024 Tipo del documento: Article Pais de publicación: Alemania