Being a versatile platform for the production of functional polymers,vinyl-containing polymers are difficult to synthesize through traditional living polymerization techniques,which typically require strict control ov...Being a versatile platform for the production of functional polymers,vinyl-containing polymers are difficult to synthesize through traditional living polymerization techniques,which typically require strict control over reaction conditions to prevent crosslinking.Herein,we employed living/controlled Lewis pair polymerization(LPP)to transform allyl methacrylate into soluble poly(allyl methacrylate)with high molecular weights(up to Mn=1143 kg/mol)and narrow molecular weight distributions(Đ=1.07−1.32),leaving vinyl pendants intact in every repeat unit.Well-defined block or random copolymers can be synthesized through the regulation of the position and density of the pendent vinyl sites on polymer chains.In combination with thiol−ene click reactions,different types of functional groups could be introduced to the polymeric framework,furnishing various functionalized polymers with different topologies,including photo-responsive,self-healing,or amphiphilic linear polymers,graft plastics,and cross-linked elastomers with enhanced strength and toughness.This strategy enables the preparation of vinyl-containing polymers with adjustable architectures,exhibiting promising application potentials in the synthesis of functional materials.展开更多
Intracellular polymerization is an emerging field,showcasing high diversity and efficiency of chemistry.Motivated by the principles of natural biomolecular synthesis,polymerization within living cells is believed to b...Intracellular polymerization is an emerging field,showcasing high diversity and efficiency of chemistry.Motivated by the principles of natural biomolecular synthesis,polymerization within living cells is believed to be a powerful and versatile tool to modulate cell behavior.In this review,we summarized recent advances and future trends in the field of intracellular polymerization,specifically focusing on covalent and supramolecular polymerization.This discussion comprehensively covers the diverse chemical designs,reaction mechanisms,responsive features,and functional applications.Furthermore,we also clarified the connection between preliminary design of polymer synthesis and their subsequent biological applications.We hope this review will serve as an innovative platform for chemists and biologists to regulate biological functions in practical applications and clinical trials.展开更多
Recently we have studied the rare earth ion-selective electrodes with active materials of the func-tional polymers and found that the process chosen for the functional polymers had an effect on the propertiesof gadoli...Recently we have studied the rare earth ion-selective electrodes with active materials of the func-tional polymers and found that the process chosen for the functional polymers had an effect on the propertiesof gadolinium ion selective electrode besides the effects of their structures.1.Effect of preparation process of the grafted polymers on the properties ofgadolinium ion selective electrodesThe electrode membranes which consist of functional polymers as active materials were prepared by re-action of gadolinium chloride with the radiation grafted clmer of acrlic acid and polystyrene of which展开更多
In this paper,the functional polymeric active materials were prepared by the grafting copolymerization and their structure and properties were studied.The results show that the structure and properties of these ac- ti...In this paper,the functional polymeric active materials were prepared by the grafting copolymerization and their structure and properties were studied.The results show that the structure and properties of these ac- tive materials have the relative large effects on the properties of gadolinium ion selective electrodes.展开更多
Three-dimensional(3D)printing has received extensive attention due to its unique multidimensional functionality and customizability and has been recognized as one of the most revolutionary manufacturing technologies.F...Three-dimensional(3D)printing has received extensive attention due to its unique multidimensional functionality and customizability and has been recognized as one of the most revolutionary manufacturing technologies.Functional 3D printed products represent an important orientation for next-generationmanufacturing and attract a great spotlight for the application in sensors,actuators,robots,electronics,and medical devices.However,the lack of functions of printing polymeric materials dramatically limits the development of functional 3D printing.Different from traditional processing,the physical properties,such as geometry and rheological behavior,of the polymericmaterialsmust match the printing process,making the selection of printable materials limited.More importantly,challenges in large-scale production of such materials further stifle the development of functional 3D printing industry.In this review,we aim to outline recent advances in polymeric materials and methodologies for the functional 3D printing technology.The reports are classified based on functionalities,including electronic conductive,thermally conductive,electromagnetic interference shielding,energy storage,and energy harvesting materials.This study attempts to provide a comprehensive overview of the challenges and opportunities for 3D printing functional polymeric materials/devices,also seeks to enlighten the orientation of future research in this field.展开更多
基金financial support from National Natural Science Foundation of China(Grants 22225104,92356302,22401106 and 22471092)Open Research Fund of State Key Laboratory of Polymer Physics and Chemistry,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences(Grant PPCL2023-27).
文摘Being a versatile platform for the production of functional polymers,vinyl-containing polymers are difficult to synthesize through traditional living polymerization techniques,which typically require strict control over reaction conditions to prevent crosslinking.Herein,we employed living/controlled Lewis pair polymerization(LPP)to transform allyl methacrylate into soluble poly(allyl methacrylate)with high molecular weights(up to Mn=1143 kg/mol)and narrow molecular weight distributions(Đ=1.07−1.32),leaving vinyl pendants intact in every repeat unit.Well-defined block or random copolymers can be synthesized through the regulation of the position and density of the pendent vinyl sites on polymer chains.In combination with thiol−ene click reactions,different types of functional groups could be introduced to the polymeric framework,furnishing various functionalized polymers with different topologies,including photo-responsive,self-healing,or amphiphilic linear polymers,graft plastics,and cross-linked elastomers with enhanced strength and toughness.This strategy enables the preparation of vinyl-containing polymers with adjustable architectures,exhibiting promising application potentials in the synthesis of functional materials.
基金financially supported by the National Key R&D Program of China(No.2023YFA0915300)the National Natural Science Foundation of China(Nos.52233012,22405212 and22471219)the Funds for Creative Research Groups of China of the National Natural Science Foundation of China(No.21821001)。
文摘Intracellular polymerization is an emerging field,showcasing high diversity and efficiency of chemistry.Motivated by the principles of natural biomolecular synthesis,polymerization within living cells is believed to be a powerful and versatile tool to modulate cell behavior.In this review,we summarized recent advances and future trends in the field of intracellular polymerization,specifically focusing on covalent and supramolecular polymerization.This discussion comprehensively covers the diverse chemical designs,reaction mechanisms,responsive features,and functional applications.Furthermore,we also clarified the connection between preliminary design of polymer synthesis and their subsequent biological applications.We hope this review will serve as an innovative platform for chemists and biologists to regulate biological functions in practical applications and clinical trials.
文摘Recently we have studied the rare earth ion-selective electrodes with active materials of the func-tional polymers and found that the process chosen for the functional polymers had an effect on the propertiesof gadolinium ion selective electrode besides the effects of their structures.1.Effect of preparation process of the grafted polymers on the properties ofgadolinium ion selective electrodesThe electrode membranes which consist of functional polymers as active materials were prepared by re-action of gadolinium chloride with the radiation grafted clmer of acrlic acid and polystyrene of which
文摘In this paper,the functional polymeric active materials were prepared by the grafting copolymerization and their structure and properties were studied.The results show that the structure and properties of these ac- tive materials have the relative large effects on the properties of gadolinium ion selective electrodes.
文摘Three-dimensional(3D)printing has received extensive attention due to its unique multidimensional functionality and customizability and has been recognized as one of the most revolutionary manufacturing technologies.Functional 3D printed products represent an important orientation for next-generationmanufacturing and attract a great spotlight for the application in sensors,actuators,robots,electronics,and medical devices.However,the lack of functions of printing polymeric materials dramatically limits the development of functional 3D printing.Different from traditional processing,the physical properties,such as geometry and rheological behavior,of the polymericmaterialsmust match the printing process,making the selection of printable materials limited.More importantly,challenges in large-scale production of such materials further stifle the development of functional 3D printing industry.In this review,we aim to outline recent advances in polymeric materials and methodologies for the functional 3D printing technology.The reports are classified based on functionalities,including electronic conductive,thermally conductive,electromagnetic interference shielding,energy storage,and energy harvesting materials.This study attempts to provide a comprehensive overview of the challenges and opportunities for 3D printing functional polymeric materials/devices,also seeks to enlighten the orientation of future research in this field.