Strategies for the synthesis of fluorinated polyesters

Detalhes bibliográficos
Autor(a) principal: Zhao, Xiaoman
Data de Publicação: 2019
Outros Autores: Noro, Jennifer Martins, Fu, Jiajia, Silva, Carla, Cavaco-Paulo, Artur
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/1822/58856
Resumo: In this work we synthetized three fluorinated polyesters from dimethyl tetrafluorosuccinate (DMTFS), dimethyl hexafluoroglutarate (DMHFG), and dimethyl octafluoroadipate (DMOFA) and ethylene glycol. The influence of parameters like monomer's size, temperature, vacuum, ultrasound and catalyst, on the polyesters synthesis was evaluated. The conversion rates were assessed considering 1H NMR data and the results disclose the role of ultrasound (US) as crucial to attain high reaction conversion rates (z20% of increase relatively to the reactions performed in absence of US). The effect of US was more relevant for the higher molecular weight monomers (DMHFG and DMOFA). The use of Candida antarctica lipase (immobilized CALB) marginally favors the synthesis reactions when fixing the other conditions. The size of the starting monomers influenced greatly the reaction conversion rates, as shorter monomers gave rise to high amount of product recovering. All the produced polyesters were isolated and fully characterized by NMR (1H and 19F), FTIR, TGA and MALDI-TOF.
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spelling Strategies for the synthesis of fluorinated polyestersScience & TechnologyIn this work we synthetized three fluorinated polyesters from dimethyl tetrafluorosuccinate (DMTFS), dimethyl hexafluoroglutarate (DMHFG), and dimethyl octafluoroadipate (DMOFA) and ethylene glycol. The influence of parameters like monomer's size, temperature, vacuum, ultrasound and catalyst, on the polyesters synthesis was evaluated. The conversion rates were assessed considering 1H NMR data and the results disclose the role of ultrasound (US) as crucial to attain high reaction conversion rates (z20% of increase relatively to the reactions performed in absence of US). The effect of US was more relevant for the higher molecular weight monomers (DMHFG and DMOFA). The use of Candida antarctica lipase (immobilized CALB) marginally favors the synthesis reactions when fixing the other conditions. The size of the starting monomers influenced greatly the reaction conversion rates, as shorter monomers gave rise to high amount of product recovering. All the produced polyesters were isolated and fully characterized by NMR (1H and 19F), FTIR, TGA and MALDI-TOF.This study was supported by the Chinese government scholarship under the State Scholarship Fund (No. 201706790049), Training Fund for Excellent Doctoral Student in Jiangnan University, Key Projects of Governmental Cooperation in International Scientific and Technological Innovation (No. 2016 YFE0115700), Fundamental Research Funds for the Central Universities (No. JUSRP51622A). The study was also supported by the National Natural Science Foundation of China [No. 31470509], the 111 Project [No. B17021], Jiangsu Planned ProjectsforPostdoctoralResearchFunds[No.2018K018A]. This study was also supported by the Portuguese Foundation for Science and Technology (FCT) under the scope of the strategic funding of UID/BIO/04469/2013 unit and COMPETE 2020 (POCI-01-0145-FEDER-006684) and BioTecNorte operation (NORTE-01-0145-FEDER-000004) funded by European Regional Development Fund under the scope of Norte2020 – Programa Operacional Regional do Norte. Jennifer Noro and Carla Silva also thanks to FCT for funding (SFRH/BD/121673/2016 and SFRH/IF/00186/2015).info:eu-repo/semantics/publishedVersionRoyal Society of ChemistryUniversidade do MinhoZhao, XiaomanNoro, Jennifer MartinsFu, JiajiaSilva, CarlaCavaco-Paulo, Artur20192019-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/1822/58856engZhao, Xiaoman; Jennifer Noro; Fu, Jiajia; Silva, Carla; Cavaco-Paulo, Artur, Strategies for the synthesis of fluorinated polyesters. RSC Advances, 9, 1799-1806, 20192046-20692046-206910.1039/c8ra10341khttp://pubs.rsc.org/en/journals/journalissues/rainfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-07-21T12:07:53Zoai:repositorium.sdum.uminho.pt:1822/58856Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T18:58:58.710909Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Strategies for the synthesis of fluorinated polyesters
title Strategies for the synthesis of fluorinated polyesters
spellingShingle Strategies for the synthesis of fluorinated polyesters
Zhao, Xiaoman
Science & Technology
title_short Strategies for the synthesis of fluorinated polyesters
title_full Strategies for the synthesis of fluorinated polyesters
title_fullStr Strategies for the synthesis of fluorinated polyesters
title_full_unstemmed Strategies for the synthesis of fluorinated polyesters
title_sort Strategies for the synthesis of fluorinated polyesters
author Zhao, Xiaoman
author_facet Zhao, Xiaoman
Noro, Jennifer Martins
Fu, Jiajia
Silva, Carla
Cavaco-Paulo, Artur
author_role author
author2 Noro, Jennifer Martins
Fu, Jiajia
Silva, Carla
Cavaco-Paulo, Artur
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Universidade do Minho
dc.contributor.author.fl_str_mv Zhao, Xiaoman
Noro, Jennifer Martins
Fu, Jiajia
Silva, Carla
Cavaco-Paulo, Artur
dc.subject.por.fl_str_mv Science & Technology
topic Science & Technology
description In this work we synthetized three fluorinated polyesters from dimethyl tetrafluorosuccinate (DMTFS), dimethyl hexafluoroglutarate (DMHFG), and dimethyl octafluoroadipate (DMOFA) and ethylene glycol. The influence of parameters like monomer's size, temperature, vacuum, ultrasound and catalyst, on the polyesters synthesis was evaluated. The conversion rates were assessed considering 1H NMR data and the results disclose the role of ultrasound (US) as crucial to attain high reaction conversion rates (z20% of increase relatively to the reactions performed in absence of US). The effect of US was more relevant for the higher molecular weight monomers (DMHFG and DMOFA). The use of Candida antarctica lipase (immobilized CALB) marginally favors the synthesis reactions when fixing the other conditions. The size of the starting monomers influenced greatly the reaction conversion rates, as shorter monomers gave rise to high amount of product recovering. All the produced polyesters were isolated and fully characterized by NMR (1H and 19F), FTIR, TGA and MALDI-TOF.
publishDate 2019
dc.date.none.fl_str_mv 2019
2019-01-01T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/1822/58856
url http://hdl.handle.net/1822/58856
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Zhao, Xiaoman; Jennifer Noro; Fu, Jiajia; Silva, Carla; Cavaco-Paulo, Artur, Strategies for the synthesis of fluorinated polyesters. RSC Advances, 9, 1799-1806, 2019
2046-2069
2046-2069
10.1039/c8ra10341k
http://pubs.rsc.org/en/journals/journalissues/ra
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Royal Society of Chemistry
publisher.none.fl_str_mv Royal Society of Chemistry
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv
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