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How to Characterize Covalent Adaptable Networks: A User Guide. 如何描述共价自适应网络：用户指南。
IF 4.7
ACS polymers Au Pub Date : 2025-04-17 eCollection Date: 2025-06-11 DOI: 10.1021/acspolymersau.5c00004
Dimitri Berne, Sidonie Laviéville, Eric Leclerc, Sylvain Caillol, Vincent Ladmiral, Camille Bakkali-Hassani
{"title":"How to Characterize Covalent Adaptable Networks: A User Guide.","authors":"Dimitri Berne, Sidonie Laviéville, Eric Leclerc, Sylvain Caillol, Vincent Ladmiral, Camille Bakkali-Hassani","doi":"10.1021/acspolymersau.5c00004","DOIUrl":"10.1021/acspolymersau.5c00004","url":null,"abstract":"<p><p>Since the seminal works on thermoreversible covalent networks followed by the discovery of vitrimers by L. Leibler and co-workers in 2011, numerous chemistries and strategies have flourished to design covalent adaptable networks (CANs) thus opening a novel research field. Using reversible covalent bonds that have been known for decades in molecular chemistry, CANs combine both the rheological characteristics of thermosets (chemically cross-linked networks, insoluble and infusible) and those of thermoplastics (entangled polymer chains able to be dissolved and to flow above their glass transition temperature). The aim of this tutorial review is to provide polymer chemists with guidelines to precisely and properly characterize CANs. Depending on the nature of the exchange mechanism (dissociative, associative, or a combination of both), on the kinetics of exchange, and on the cross-link density, characteristic relaxation times can vary from less than a second to a few hours. The time scale and distribution of relaxation times influence the rheological experiments and models that should be used. The present didactic review provides, from the rich recent literature, a guideline for adequate material characterizations and rheological measurements (and theoretical models applicable) that have been used to study CAN viscoelastic and thermomechanical properties.</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 3","pages":"214-240"},"PeriodicalIF":4.7,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12163951/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144303765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IF 4.7
ACS polymers Au Pub Date : 2025-04-09
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引用次数: 0
IF 4.7
ACS polymers Au Pub Date : 2025-04-09
Rintaro Takahashi*,  and , Ayae Sugawara-Narutaki, 
{"title":"","authors":"Rintaro Takahashi*,&nbsp; and ,&nbsp;Ayae Sugawara-Narutaki,&nbsp;","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 2","pages":"XXX-XXX XXX-XXX"},"PeriodicalIF":4.7,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acspolymersau.4c00095","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144383341","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IF 4.7
ACS polymers Au Pub Date : 2025-04-09
Paul D. Goring, Amelia Newman, Christopher W. Jones* and Shelley D. Minteer*, 
{"title":"","authors":"Paul D. Goring,&nbsp;Amelia Newman,&nbsp;Christopher W. Jones* and Shelley D. Minteer*,&nbsp;","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 2","pages":"XXX-XXX XXX-XXX"},"PeriodicalIF":4.7,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acspolymersau.5c00008","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144383334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IF 4.7
ACS polymers Au Pub Date : 2025-04-09
Raíssa Takenaka Rodrigues Carvalho, Neimar Paulo de Freitas, Agatha Densy dos Santos Francisco, Luiz Carlos Palermo and Claudia Regina Elias Mansur*, 
{"title":"","authors":"Raíssa Takenaka Rodrigues Carvalho,&nbsp;Neimar Paulo de Freitas,&nbsp;Agatha Densy dos Santos Francisco,&nbsp;Luiz Carlos Palermo and Claudia Regina Elias Mansur*,&nbsp;","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 2","pages":"XXX-XXX XXX-XXX"},"PeriodicalIF":4.7,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acspolymersau.4c00075","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144383340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IF 4.7
ACS polymers Au Pub Date : 2025-04-09
Ignasi de Azpiazu Nadal, Bruno Branco, Günter E.M. Tovar, Jochen Kerres, René A. J. Janssen, Stéphanie Reynaud* and Vladimir Atanasov*, 
{"title":"","authors":"Ignasi de Azpiazu Nadal,&nbsp;Bruno Branco,&nbsp;Günter E.M. Tovar,&nbsp;Jochen Kerres,&nbsp;René A. J. Janssen,&nbsp;Stéphanie Reynaud* and Vladimir Atanasov*,&nbsp;","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 2","pages":"XXX-XXX XXX-XXX"},"PeriodicalIF":4.7,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acspolymersau.4c00079","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144383336","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IF 4.7
ACS polymers Au Pub Date : 2025-04-09
Frank Lee, Aran Guner, Ken Lewtas and Tony McNally*, 
{"title":"","authors":"Frank Lee,&nbsp;Aran Guner,&nbsp;Ken Lewtas and Tony McNally*,&nbsp;","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 2","pages":"XXX-XXX XXX-XXX"},"PeriodicalIF":4.7,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acspolymersau.4c00089","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144383337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Carbon Nanoparticle Effects on PAN Crystallization for Higher-Performance Composite Fibers 纳米碳对高性能复合纤维聚丙烯腈结晶的影响
IF 4.7
ACS polymers Au Pub Date : 2025-04-09 DOI: 10.1021/acspolymersau.5c0000610.1021/acspolymersau.5c00006
Xiao Sun, Xiaoli Li, Varunkumar Thippanna, Conor Doyle, Ying Mu, Thomas Barrett, Lindsay B. Chambers, Churan Yu, Yiannis Levendis, Kenan Song* and Marilyn Minus*, 
{"title":"Carbon Nanoparticle Effects on PAN Crystallization for Higher-Performance Composite Fibers","authors":"Xiao Sun,&nbsp;Xiaoli Li,&nbsp;Varunkumar Thippanna,&nbsp;Conor Doyle,&nbsp;Ying Mu,&nbsp;Thomas Barrett,&nbsp;Lindsay B. Chambers,&nbsp;Churan Yu,&nbsp;Yiannis Levendis,&nbsp;Kenan Song* and Marilyn Minus*,&nbsp;","doi":"10.1021/acspolymersau.5c0000610.1021/acspolymersau.5c00006","DOIUrl":"https://doi.org/10.1021/acspolymersau.5c00006https://doi.org/10.1021/acspolymersau.5c00006","url":null,"abstract":"<p >Polyacrylonitrile (PAN) fibers, widely recognized for their exceptional carbonization and graphitization at higher processing temperatures, serve as precursors for high-performance carbon fiber production. This study explores the fabrication of PAN control fibers and PAN-CNT composites via fiber spinning, a process influenced by solution behavior, macromolecular extension, and crystallizations. The polymer chain morphologies, along with pore nucleation and growth, play a critical role in determining fiber microstructure and mechanical properties. Comprehensive characterization like wide-angle X-ray diffraction (WAXD) and differential scanning calorimetry (DSC) was conducted for PAN control and PAN-CNT composite fibers at polymer concentrations of 9, 10, and 11 wt % with specific CNT loading. This study highlights the enhanced performance of PAN fibers and PAN/CNT composite fibers fabricated at polymer concentrations of 9, 10, and 11 wt %. Additionally, the effects of carbon nanotubes (CNTs) on the polymer microstructure and properties, including crystallinity and thermal stability, were analyzed and compared.</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 3","pages":"270–281 270–281"},"PeriodicalIF":4.7,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acspolymersau.5c00006","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144252958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Carbon Nanoparticle Effects on PAN Crystallization for Higher-Performance Composite Fibers. 纳米碳对高性能复合纤维聚丙烯腈结晶的影响。
IF 4.7
ACS polymers Au Pub Date : 2025-04-09 eCollection Date: 2025-06-11 DOI: 10.1021/acspolymersau.5c00006
Xiao Sun, Xiaoli Li, Varunkumar Thippanna, Conor Doyle, Ying Mu, Thomas Barrett, Lindsay B Chambers, Churan Yu, Yiannis Levendis, Kenan Song, Marilyn Minus
{"title":"Carbon Nanoparticle Effects on PAN Crystallization for Higher-Performance Composite Fibers.","authors":"Xiao Sun, Xiaoli Li, Varunkumar Thippanna, Conor Doyle, Ying Mu, Thomas Barrett, Lindsay B Chambers, Churan Yu, Yiannis Levendis, Kenan Song, Marilyn Minus","doi":"10.1021/acspolymersau.5c00006","DOIUrl":"10.1021/acspolymersau.5c00006","url":null,"abstract":"<p><p>Polyacrylonitrile (PAN) fibers, widely recognized for their exceptional carbonization and graphitization at higher processing temperatures, serve as precursors for high-performance carbon fiber production. This study explores the fabrication of PAN control fibers and PAN-CNT composites via fiber spinning, a process influenced by solution behavior, macromolecular extension, and crystallizations. The polymer chain morphologies, along with pore nucleation and growth, play a critical role in determining fiber microstructure and mechanical properties. Comprehensive characterization like wide-angle X-ray diffraction (WAXD) and differential scanning calorimetry (DSC) was conducted for PAN control and PAN-CNT composite fibers at polymer concentrations of 9, 10, and 11 wt % with specific CNT loading. This study highlights the enhanced performance of PAN fibers and PAN/CNT composite fibers fabricated at polymer concentrations of 9, 10, and 11 wt %. Additionally, the effects of carbon nanotubes (CNTs) on the polymer microstructure and properties, including crystallinity and thermal stability, were analyzed and compared.</p>","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 3","pages":"270-281"},"PeriodicalIF":4.7,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12163947/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144303760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IF 4.7
ACS polymers Au Pub Date : 2025-04-09
Vojtěch Jašek*,  and , Silvestr Figalla, 
{"title":"","authors":"Vojtěch Jašek*,&nbsp; and ,&nbsp;Silvestr Figalla,&nbsp;","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":72049,"journal":{"name":"ACS polymers Au","volume":"5 2","pages":"XXX-XXX XXX-XXX"},"PeriodicalIF":4.7,"publicationDate":"2025-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/acspolymersau.5c00001","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144348686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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