THE USE OF Orbignya speciosa FLOUR IN PLYWOOD ADHESIVE MIX

Detalhes bibliográficos
Autor(a) principal: Almeida, Vanessa Coelho
Data de Publicação: 2014
Outros Autores: Carneiro, Angélica de Cássi Oliveira, Vital, Benedito Rocha, Lelis, Roberto Carlos Costa
Tipo de documento: Artigo
Idioma: por
Título da fonte: Ciência Florestal (Online)
Texto Completo: https://periodicos.ufsm.br/cienciaflorestal/article/view/13340
Resumo: http://dx.doi.org/10.5902/1980509813340The aim of this study was to evaluate the effect of the addition of babaçu flour on urea-formaldehyde adhesive properties and compare it to the adhesives produced with wheat flour, which is the extender usually used for plywood production. An amount of 0, 10, 20 and 30 parts of extender per weight of the adhesive were added. Ammonium sulfate was used as catalyst, in the proportion of 1.5% on dry weight of solid content. The following properties of the adhesive were determined: viscosity, nonvolatile content, gel time, working life and pH. The babaçu flour presented similar properties to wheat flour. Both, in general, although contributed to the increase of the adhesives viscosity, reduced its reactivity, as increased pH value, gel time and working life.
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spelling THE USE OF Orbignya speciosa FLOUR IN PLYWOOD ADHESIVE MIXO uso da farinha de Orbignya speciosa na formulação de adesivo para compensadosextenderfillerurea-formaldehyde.extensorfarinha de babaçuureia-formaldeídohttp://dx.doi.org/10.5902/1980509813340The aim of this study was to evaluate the effect of the addition of babaçu flour on urea-formaldehyde adhesive properties and compare it to the adhesives produced with wheat flour, which is the extender usually used for plywood production. An amount of 0, 10, 20 and 30 parts of extender per weight of the adhesive were added. Ammonium sulfate was used as catalyst, in the proportion of 1.5% on dry weight of solid content. The following properties of the adhesive were determined: viscosity, nonvolatile content, gel time, working life and pH. The babaçu flour presented similar properties to wheat flour. Both, in general, although contributed to the increase of the adhesives viscosity, reduced its reactivity, as increased pH value, gel time and working life.http://dx.doi.org/10.5902/1980509813340O objetivo deste estudo foi avaliar o efeito da adição da farinha de babaçu nas propriedades do adesivo à base de ureia-formaldeído e compará-lo ao adesivo produzido com farinha de trigo, extensor usualmente utilizado na produção de painéis compensados. À resina ureia-formaldeído foram adicionados, em partes por massa de adesivo, 0, 10, 20 e 30% de farinha de babaçu, e, como catalisador, sulfato de amônio, na proporção de 1,5% sobre a massa seca de sólidos da resina. Determinaram-se as seguintes propriedades dos adesivos: viscosidade, teor de sólidos, tempo de gelatinização, tempo de trabalho e pH. A farinha de babaçu apresentou propriedades semelhantes às da farinha de trigo. Ambas, de modo geral, embora tenham contribuído para o aumento da viscosidade dos adesivos, reduziram sua reatividade, pois elevaram o valor pH, o tempo de gelatinização e o tempo de trabalho.Universidade Federal de Santa Maria2014-03-30info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.ufsm.br/cienciaflorestal/article/view/1334010.5902/1980509813340Ciência Florestal; Vol. 24 No. 1 (2014); 237-242Ciência Florestal; v. 24 n. 1 (2014); 237-2421980-50980103-9954reponame:Ciência Florestal (Online)instname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMporhttps://periodicos.ufsm.br/cienciaflorestal/article/view/13340/pdf_1Almeida, Vanessa CoelhoCarneiro, Angélica de Cássi OliveiraVital, Benedito RochaLelis, Roberto Carlos Costainfo:eu-repo/semantics/openAccess2017-04-13T18:26:34Zoai:ojs.pkp.sfu.ca:article/13340Revistahttp://www.ufsm.br/cienciaflorestal/ONGhttps://old.scielo.br/oai/scielo-oai.php||cienciaflorestal@ufsm.br|| cienciaflorestal@gmail.com|| cf@smail.ufsm.br1980-50980103-9954opendoar:2017-04-13T18:26:34Ciência Florestal (Online) - Universidade Federal de Santa Maria (UFSM)false
dc.title.none.fl_str_mv THE USE OF Orbignya speciosa FLOUR IN PLYWOOD ADHESIVE MIX
O uso da farinha de Orbignya speciosa na formulação de adesivo para compensados
title THE USE OF Orbignya speciosa FLOUR IN PLYWOOD ADHESIVE MIX
spellingShingle THE USE OF Orbignya speciosa FLOUR IN PLYWOOD ADHESIVE MIX
Almeida, Vanessa Coelho
extender
filler
urea-formaldehyde.
extensor
farinha de babaçu
ureia-formaldeído
title_short THE USE OF Orbignya speciosa FLOUR IN PLYWOOD ADHESIVE MIX
title_full THE USE OF Orbignya speciosa FLOUR IN PLYWOOD ADHESIVE MIX
title_fullStr THE USE OF Orbignya speciosa FLOUR IN PLYWOOD ADHESIVE MIX
title_full_unstemmed THE USE OF Orbignya speciosa FLOUR IN PLYWOOD ADHESIVE MIX
title_sort THE USE OF Orbignya speciosa FLOUR IN PLYWOOD ADHESIVE MIX
author Almeida, Vanessa Coelho
author_facet Almeida, Vanessa Coelho
Carneiro, Angélica de Cássi Oliveira
Vital, Benedito Rocha
Lelis, Roberto Carlos Costa
author_role author
author2 Carneiro, Angélica de Cássi Oliveira
Vital, Benedito Rocha
Lelis, Roberto Carlos Costa
author2_role author
author
author
dc.contributor.author.fl_str_mv Almeida, Vanessa Coelho
Carneiro, Angélica de Cássi Oliveira
Vital, Benedito Rocha
Lelis, Roberto Carlos Costa
dc.subject.por.fl_str_mv extender
filler
urea-formaldehyde.
extensor
farinha de babaçu
ureia-formaldeído
topic extender
filler
urea-formaldehyde.
extensor
farinha de babaçu
ureia-formaldeído
description http://dx.doi.org/10.5902/1980509813340The aim of this study was to evaluate the effect of the addition of babaçu flour on urea-formaldehyde adhesive properties and compare it to the adhesives produced with wheat flour, which is the extender usually used for plywood production. An amount of 0, 10, 20 and 30 parts of extender per weight of the adhesive were added. Ammonium sulfate was used as catalyst, in the proportion of 1.5% on dry weight of solid content. The following properties of the adhesive were determined: viscosity, nonvolatile content, gel time, working life and pH. The babaçu flour presented similar properties to wheat flour. Both, in general, although contributed to the increase of the adhesives viscosity, reduced its reactivity, as increased pH value, gel time and working life.
publishDate 2014
dc.date.none.fl_str_mv 2014-03-30
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://periodicos.ufsm.br/cienciaflorestal/article/view/13340
10.5902/1980509813340
url https://periodicos.ufsm.br/cienciaflorestal/article/view/13340
identifier_str_mv 10.5902/1980509813340
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://periodicos.ufsm.br/cienciaflorestal/article/view/13340/pdf_1
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 Universidade Federal de Santa Maria
publisher.none.fl_str_mv Universidade Federal de Santa Maria
dc.source.none.fl_str_mv Ciência Florestal; Vol. 24 No. 1 (2014); 237-242
Ciência Florestal; v. 24 n. 1 (2014); 237-242
1980-5098
0103-9954
reponame:Ciência Florestal (Online)
instname:Universidade Federal de Santa Maria (UFSM)
instacron:UFSM
instname_str Universidade Federal de Santa Maria (UFSM)
instacron_str UFSM
institution UFSM
reponame_str Ciência Florestal (Online)
collection Ciência Florestal (Online)
repository.name.fl_str_mv Ciência Florestal (Online) - Universidade Federal de Santa Maria (UFSM)
repository.mail.fl_str_mv ||cienciaflorestal@ufsm.br|| cienciaflorestal@gmail.com|| cf@smail.ufsm.br
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