Development of recoverable and recyclable  Fe 3 O 4 ‐supported  organocatalysts for  ring‐opening  polymerization | Zendy

Chen Yang | Zendy; Xiao Wenhao | Zendy; Zhang Jie | Zendy; Bu Minglu | Zendy; Zhang Xiaoqing | Zendy; Chen Anfu | Zendy; Xu Jinbao | Zendy; Lei Caihong | Zendy

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Development of recoverable and recyclable Fe 3 O 4 ‐supported organocatalysts for ring‐opening polymerization

Author(s) -

Chen Yang,

Xiao Wenhao,

Zhang Jie,

Bu Minglu,

Zhang Xiaoqing,

Chen Anfu,

Xu Jinbao,

Lei Caihong

Publication year - 2020

Publication title -

journal of polymer science

Language(s) - English

Resource type - Journals

eISSN - 2642-4169

pISSN - 2642-4150

DOI - 10.1002/pol.20200615

Subject(s) - phosphazene , superbase , polymerization , chemistry , catalysis , polymer chemistry , nanoparticle , ring (chemistry) , organic chemistry , materials science , nanotechnology , polymer

An iminotris(dimethylamino)phosphorane (HMP 1 ) phosphazene superbase has been anchored onto poly(hexachlorocyclotriphosphazene‐ co ‐4,4′‐sulfonyldiphenol) (PZS)‐coated Fe 3 O 4 magnetic nanoparticles (MNPs) through efficient phosphorous‐chloride (from PZS surface) and imino (from HMP 1 ) reaction. Subsequently, these novel heterogeneous Fe 3 O 4 @PZS@HMP 1 catalysts have been successfully utilized in the ring‐opening polymerization of ε ‐caprolactone ( ε ‐CL) and δ ‐valerolactone ( δ ‐VL). Notably, such catalysts can be easily removed from the reaction mixture and reused 3 times without obvious activity loss.

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