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典型文献
Functional Hyperbranched Polythioamides Synthesized from Catalyst-free Multicomponent Polymerization of Elemental Sulfur
文献摘要:
Hyperbranched polymers with unique topological structures,large number of branching sites and terminal groups have attracted much attention,and are expected to possess advanced functionalities compared with their linear polymer counterparts.The devel-opment of hyperbranched polymers is hence highly desired but challenging,especially for sulfur-containing polymers which are at-tractive metal absorbents,optical materials,dielectric materials,and self-healing materials.In this work,six hyperbranched polythi-oamides with various topological structures,well-defined repeating units,satisfying yields(up to 99%),and high molecular weights(up to 101400 g/mol)were successfully designed and synthesized from the catalyst-free multicomponent polymerization of ele-mental sulfur,aromatic alkynes and aliphatic amines,through different monomer combination strategies based on the designed three-or four-functional alkyne and amine monomers.The hyperbranched polythioamides possess unique luminescence property,and strong affinity toward Hg2+,which can be utilized in the fluorescence detection of Hg2+,as well as mercury removal from aque-ous solutions with high efficiency of 99.99%and low mercury residue of 0.1 ppb.Hyperbranched polythioamides with unique struc-tures may be developed to a group of fascinating materials and find their potential applications as metal absorbents and optoelec-tronic materials.
文献关键词:
作者姓名:
Shangrun Liu;Fengting Li;Wenxia Cao;Rongrong Hu;Ben Zhong Tang
作者机构:
State Key Laboratory of Luminescent Materials and Devices,Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates,South China University of Technology,Guangzhou,Guangdong 510640,China;Shenzhen Institute of Molecular Aggregate Science and Engineering,School of Science and Engineering,The Chinese University of Hong Kong,Shenzhen City,Guangdong 518172,China;AIE Institute,Guangzhou,Guangdong 510530,China;Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction,The Hong Kong University of Science&Technology,Clear Water Bay,Kowloon,Hong Kong,China
引用格式:
[1]Shangrun Liu;Fengting Li;Wenxia Cao;Rongrong Hu;Ben Zhong Tang-.Functional Hyperbranched Polythioamides Synthesized from Catalyst-free Multicomponent Polymerization of Elemental Sulfur)[J].中国化学(英文版),2022(06):725-733
A类:
Polythioamides,polythi,oamides,polythioamides
B类:
Functional,Hyperbranched,Synthesized,from,Catalyst,free,Multicomponent,Polymerization,Elemental,Sulfur,polymers,unique,topological,structures,large,number,branching,sites,terminal,groups,have,attracted,much,attention,expected,possess,advanced,functionalities,compared,their,linear,counterparts,opment,hyperbranched,hence,highly,desired,but,challenging,especially,sulfur,containing,which,tractive,metal,absorbents,optical,materials,dielectric,self,healing,In,this,work,six,various,well,defined,repeating,units,satisfying,yields,molecular,weights,were,successfully,designed,synthesized,catalyst,multicomponent,polymerization,aromatic,alkynes,aliphatic,amines,through,different,combination,strategies,three,four,monomers,luminescence,property,strong,affinity,toward,Hg2+,can,utilized,fluorescence,detection,mercury,removal,aque,solutions,efficiency,low,residue,ppb,may,developed,fascinating,find,potential,applications,optoelec,tronic
AB值:
0.590194
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