Fully-π conjugated covalent organic frameworks as catalyst for photo-induced atom transfer radical polymerization with ppm-level copper concentration under LED irradiation - Details

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Photo-induced　atom　transfer　radical　polymerization　(ATRP)　becomes　a　significant　method　for　preparing　well-defined　polymers　with　pre-designable　molecular　weight　and　narrow　molecular　weight　dispersity　(Mw/Mn).　Herein,　a　fully-π　covalent　organic　framework　(COF)　was　constructed　and　served　as　heterogeneous　photocatalyst　for　photo-induced　ATRP　under　LED　irradiation.　TCPB-DMTA-COF,　which　was　constructed　by　Knoevenagel　polycondensation　of　1,3,5-tris(4-cynomethylphenyl)benzene　(TCPB)　and　2,　5-Dimethoxy-terephthalaldehyde　(DMTA)　and　exhibited　remarkable　performance　in　mediating　photo-induced　ATRP　of　methyl　methacrylates　with　the　assist　of　ppm-level　concentration　of　CuII　under　LED　irradiation,　producing　polymers　with　high　chain-fidelity　and　low　value　of　Mw/Mn　(1.10–1.35).　The　switch　＇on/off＇　experiment　exhibits　excellent　temporal　and　spatial　control　toward　polymerization　system.　Compared　with　TCPB-DMTA-CMP,　the　high　crystallinity　and　stability　of　TCPB-DMTA-COF　endows　high　monomer　conversion　and　good　recyclability　performance　for　photo-induced　ATRP.　These　results　suggest　COF　can　be　served　as　a　promising　artificial　photocatalyst　for　photo-induced　ATRP.　©　2021

Keyword：

Acrylic monomers Atom transfer radical polymerization Copper Copper compounds Crystallinity Esters Irradiation Light emitting diodes Molecular weight

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[ 1 ] [Lu, Zhen]Department of Materials-Oriented Chemical Engineering, School of Chemical Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou; 350116, China
[ 2 ] [Yang, Hongjie]Department of Materials-Oriented Chemical Engineering, School of Chemical Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou; 350116, China
[ 3 ] [Fu, Xiaoling]Department of Materials-Oriented Chemical Engineering, School of Chemical Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou; 350116, China
[ 4 ] [Zhao, Rukai]Department of Materials Science and Engineering, East China University Of Science and Technology, No. 130 Meilong Road, Shanghai; 200237, China
[ 5 ] [Zhao, Yulai]Department of Materials-Oriented Chemical Engineering, School of Chemical Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou; 350116, China
[ 6 ] [Zhao, Yulai]Qingyuan Innovation Laboratory, Quanzhou; Quanzhou; 362801, China
[ 7 ] [Cai, Jingyu]Department of Materials-Oriented Chemical Engineering, School of Chemical Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou; 350116, China
[ 8 ] [Cai, Jingyu]Qingyuan Innovation Laboratory, Quanzhou; Quanzhou; 362801, China
[ 9 ] [Xiao, Longqiang]Department of Materials-Oriented Chemical Engineering, School of Chemical Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou; 350116, China
[ 10 ] [Xiao, Longqiang]Qingyuan Innovation Laboratory, Quanzhou; Quanzhou; 362801, China
[ 11 ] [Hou, Linxi]Department of Materials-Oriented Chemical Engineering, School of Chemical Engineering, Fuzhou University, No. 2 Xueyuan Road, Fuzhou; 350116, China
[ 12 ] [Hou, Linxi]Qingyuan Innovation Laboratory, Quanzhou; Quanzhou; 362801, China
[ 13 ] [Hou, Linxi]Fujian Key Laboratory of Advanced Manufacturing Technology of Specialty Chemicals, Fuzhou University, No. 2 Xueyuan Road, Fuzhou; 350116, China

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Source ：

European Polymer Journal

ISSN： 0014-3057

Year： 2021

Volume： 157

5 . 5 4 6

JCR@2021

5 . 8 0 0

JCR@2023

ESI HC Threshold：117

JCR Journal Grade：1

CAS Journal Grade：2

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WoS CC Cited Count：

SCOPUS Cited Count： 16

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 3

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