Carboxymethylated cellulose nanofibrils in papermaking: influence on filler retention and paper properties

Detalhes bibliográficos
Autor(a) principal: Lourenço, Ana F.
Data de Publicação: 2019
Outros Autores: Godinho, Diana, Gamelas, José A. F., Sarmento, Pedro, Ferreira, Paulo J. T.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10316/85040
https://doi.org/Lourenço, A.F., Godinho, D., Gamelas, J.A.F.,Sarmento, P., Ferreira, P.J.T. Cellulose (2019). https://doi.org/10.1007/s10570-019-02303-5
https://doi.org/10.1007/s10570-019-02303-5
Resumo: Author's post-print on institutional repository or funder designated repository after 12 months embargo from first online publication
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spelling Carboxymethylated cellulose nanofibrils in papermaking: influence on filler retention and paper propertiesCellulose nanofibrilsCarboxymethylationTEMPO-oxidationPapermakingFillerAuthor's post-print on institutional repository or funder designated repository after 12 months embargo from first online publicationThe papermaking industry competitiveness has been exponentially increasing. In order to improve the paper properties, processes have to be optimized in such a way that new horizons, such as the synthesis of new materials, are in sight. The present paper deals with the production of cellulose nanofibrils (CNF) from bleached Eucalyptus kraft pulp by carboxymethylation and TEMPO-mediated oxidation, followed by high pressure homogenisation. The main purpose of the work was to increase the filler retention and mechanical strength of printing and writing paper grades. Mineral fillers are of utmost importance in papermaking and therefore a thorough study of the CNF influence in filler-containing handsheets is mandatory. In this sense, flocculation studies revealed the extraordinary ability of CNF to flocculate calcium carbonate, which was translated into high filler retentions in the paper matrix. Moreover, the interactions between bleached pulp, CNF, mineral fillers and common paper additives, such as cationic starch, alkenyl succinic anhydride and cationic polyacrylamide, were investigated. The results allowed concluding that, depending on the materials applied, CNF are able to promote an adequate bonding between fibres and filler aggregates, reducing the requirements for the additives. The addition of carboxymethylated or TEMPO-oxidised CNF to the fibrous matrix led to handsheets with better structural, mechanical and optical properties than those of reference handsheets (without CNF and with additives).Springer2019-02-02info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://hdl.handle.net/10316/85040https://doi.org/Lourenço, A.F., Godinho, D., Gamelas, J.A.F.,Sarmento, P., Ferreira, P.J.T. Cellulose (2019). https://doi.org/10.1007/s10570-019-02303-5http://hdl.handle.net/10316/85040https://doi.org/10.1007/s10570-019-02303-5eng0969-02391572-882X (EISSN)https://link.springer.com/content/pdf/10.1007%2Fs10570-019-02303-5.pdfLourenço, Ana F.Godinho, DianaGamelas, José A. F.Sarmento, PedroFerreira, Paulo J. T.info: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:RCAAP2020-05-29T10:05:17Zoai:estudogeral.uc.pt:10316/85040Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T21:06:29.327757Repositório 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 Carboxymethylated cellulose nanofibrils in papermaking: influence on filler retention and paper properties
title Carboxymethylated cellulose nanofibrils in papermaking: influence on filler retention and paper properties
spellingShingle Carboxymethylated cellulose nanofibrils in papermaking: influence on filler retention and paper properties
Lourenço, Ana F.
Cellulose nanofibrils
Carboxymethylation
TEMPO-oxidation
Papermaking
Filler
title_short Carboxymethylated cellulose nanofibrils in papermaking: influence on filler retention and paper properties
title_full Carboxymethylated cellulose nanofibrils in papermaking: influence on filler retention and paper properties
title_fullStr Carboxymethylated cellulose nanofibrils in papermaking: influence on filler retention and paper properties
title_full_unstemmed Carboxymethylated cellulose nanofibrils in papermaking: influence on filler retention and paper properties
title_sort Carboxymethylated cellulose nanofibrils in papermaking: influence on filler retention and paper properties
author Lourenço, Ana F.
author_facet Lourenço, Ana F.
Godinho, Diana
Gamelas, José A. F.
Sarmento, Pedro
Ferreira, Paulo J. T.
author_role author
author2 Godinho, Diana
Gamelas, José A. F.
Sarmento, Pedro
Ferreira, Paulo J. T.
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Lourenço, Ana F.
Godinho, Diana
Gamelas, José A. F.
Sarmento, Pedro
Ferreira, Paulo J. T.
dc.subject.por.fl_str_mv Cellulose nanofibrils
Carboxymethylation
TEMPO-oxidation
Papermaking
Filler
topic Cellulose nanofibrils
Carboxymethylation
TEMPO-oxidation
Papermaking
Filler
description Author's post-print on institutional repository or funder designated repository after 12 months embargo from first online publication
publishDate 2019
dc.date.none.fl_str_mv 2019-02-02
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/10316/85040
https://doi.org/Lourenço, A.F., Godinho, D., Gamelas, J.A.F.,Sarmento, P., Ferreira, P.J.T. Cellulose (2019). https://doi.org/10.1007/s10570-019-02303-5
http://hdl.handle.net/10316/85040
https://doi.org/10.1007/s10570-019-02303-5
url http://hdl.handle.net/10316/85040
https://doi.org/Lourenço, A.F., Godinho, D., Gamelas, J.A.F.,Sarmento, P., Ferreira, P.J.T. Cellulose (2019). https://doi.org/10.1007/s10570-019-02303-5
https://doi.org/10.1007/s10570-019-02303-5
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 0969-0239
1572-882X (EISSN)
https://link.springer.com/content/pdf/10.1007%2Fs10570-019-02303-5.pdf
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Springer
publisher.none.fl_str_mv Springer
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
_version_ 1799133956535222272

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