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典型文献
Copolymerization of PO/CO2 and Lactide by a Dinuclear Salen-Cr(Ⅲ)Complex:Gradient and Random Copolymers with Modificable Microstructure
文献摘要:
Copolymerization of propylene oxide(PO)/carbon dioxide(CO2)and lactide(LA)is achievable to form new copolymers,combining the advantages of both poly(propylene carbonate)(PPC)and polylactide(PLA).In this study,we designed a dinuclear Salen-Cr(Ⅲ)complex,which showed higher efficiency for copolymerization of PO/CO2 and LA than that of mononuclear Salen-Cr(Ⅲ)complex.Besides,we successfully obtained gradient and random copolymers of PPC-PLA in one pot.Furthermore,by adjusting reaction temperature,block ratios of PPC/PLA in copolymers were controllable(block ratio of PPC/PLA=1.0 at 40℃,while block ratio of PPC/PLA=0.5 at room temperature).While increasing the reaction temperature to 60℃,conversion of LA was much faster than that of PO so that gradient copolymers were obtained.
文献关键词:
作者姓名:
Zhuang-Zhuang Liang;Xiang Li;Chen-Yang Hu;Ran-Long Duan;Xian-Hong Wang;Xuan Pang;Xue-Si Chen
作者机构:
Key Laboratory of Polymer Ecomaterials,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China;School of Applied Chemistry and Engineering,University of Science and Technology of China,Hefei230026,China
引用格式:
[1]Zhuang-Zhuang Liang;Xiang Li;Chen-Yang Hu;Ran-Long Duan;Xian-Hong Wang;Xuan Pang;Xue-Si Chen-.Copolymerization of PO/CO2 and Lactide by a Dinuclear Salen-Cr(Ⅲ)Complex:Gradient and Random Copolymers with Modificable Microstructure)[J].高分子科学(英文版),2022(09):1028-1033
A类:
Lactide,Modificable,polylactide
B类:
Copolymerization,PO,by,Dinuclear,Salen,Complex,Gradient,Random,Copolymers,Microstructure,propylene,dioxide,achievable,form,new,copolymers,combining,advantages,both,carbonate,PPC,PLA,In,this,study,designed,dinuclear,complex,which,showed,higher,efficiency,copolymerization,than,that,mononuclear,Besides,successfully,obtained,gradient,random,one,pot,Furthermore,adjusting,reaction,temperature,block,ratios,were,controllable,while,room,While,increasing,conversion,was,much,faster,so
AB值:
0.49608
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