Organic Photoredox Catalyst for Metal-Free Polymer Synthesis by O-ATRP and PET-RAFT
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peri-Xanthenoxanthene (X0083) is an organic photoredox catalyst (PXX) for metal-free polymer synthesis. Atom transfer radical polymerization using organic photoredox catalysts (O-ATRP) has been extensively studied as a method to synthesize polymers with narrow molecular weight distribution without using metals.¹) It is applicable to O-ATRP and photoinduced electron/energy transfer RAFT (PET-RAFT) polymerization, and polymerization can be controlled by visible light with a maximum absorption wavelength (λab,max) of 443 nm. In combination with various initiators, it enables the synthesis of the corresponding polymers with narrow molecular weight distribution (Mw/Mn = 1.19–1.27). Its high stability allows polymerization to proceed at low catalyst concentration, even in ppm order.¹) ²)
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References
- Q. Ma, J. Song, X. Zhang, Y. Jiang, L. Ji, S. Liao, Metal-free atom transfer radical polymerization with ppm catalyst loading under sunlight, Nat. Commun. 2021, 12, 429. doi:10.1038/s41467-020-20645-8
- Q. Ma, X. Zhang, Y. Jiang, J. Lin, B. Graff, S. Hu, J. Lalevee, S. Liao, Organocatalytic PET-RAFT polymerization with a low ppm of organic photocatalyst under visible light, Polym. Chem. 2022, 13, 209. doi:10.1039/D1PY01431E
Download TCI brochure Organic Photoredox Catalyst for O-ATRP and PET-RAFT Polymerization (PDF)
Source
- TCI Product Highlights: www.tcichemicals.com/ID/en/product/tci-topics/ProductHighlights_20220912
- TCI product page X0083: tcichemicals.com/ID/en/p/X0083
- TCI brochure FF130: Organic Photoredox Catalyst for O-ATRP and PET-RAFT Polymerization
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