Effect of modified montmorillonite on biodegradable PHB nanocomposites

Autores
Botana, Adrian; Mollo, Mariana; Eisenberg, Patricia; Torres Sanchez, Rosa Maria
Año de publicación
2010
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Polymer nanocomposites, based on a bacterial biodegradable thermoplastic polyester, poly(hydroxybutyrate) (PHB), and two commercial montmorillonites (MT), Na-M (MT) and 30B-M (organically modified MT), were prepared by melt-mixing technique at 165 °C. Both clays minerals were characterized by morphology, crystallochemical parameters, and thermal stability. Lower specific surface area (determined by adsorption methods) values were found for 30B-M. The apparent particle size from light scattering measurements, scanning electron microscopy observations, and crystallite size (determined from XRD patterns) of 30B-M indicated a higher degree of particles exfoliation than of Na-M. The nanocomposites PHBNa and PHB30B were characterized by differential scanning calorimetry (DSC), polarized optical microscopy (POM), X-ray diffraction (XRD), transmission electron microscopy (TEM), mechanical properties, and burning behaviour. Intercalation/exfoliation observed by TEM and XRD was more pronounced for PHB30B than PHBNa, indicating the better compatibility of 30B-M with the PHB matrix. An increase in crystallization temperature and a decrease in spherullites size were observed for PHB30B. The intercalation/exfoliation observed by TEM and structure XRD increased the moduli of the nanocomposites. The burning behaviour of PHB30B was influenced by the aggregation of the clay mineral particles.
Fil: Botana, Adrian. Instituto Nefroterapeutico Integral (inti); Argentina
Fil: Mollo, Mariana. Instituto Nefroterapeutico Integral (inti); Argentina
Fil: Eisenberg, Patricia. Instituto Nefroterapeutico Integral (inti); Argentina
Fil: Torres Sanchez, Rosa Maria. Instituto Nefroterapeutico Integral (inti); Argentina. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Tecnología de Recursos Minerales y Cerámica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Tecnología de Recursos Minerales y Cerámica; Argentina
Materia
PHB
Nanocomposites reinforcement
Organo-montmorillonite
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/154325
Acceder
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network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Effect of modified montmorillonite on biodegradable PHB nanocompositesBotana, AdrianMollo, MarianaEisenberg, PatriciaTorres Sanchez, Rosa MariaPHBNanocomposites reinforcementOrgano-montmorillonitehttps://purl.org/becyt/ford/2.10https://purl.org/becyt/ford/2Polymer nanocomposites, based on a bacterial biodegradable thermoplastic polyester, poly(hydroxybutyrate) (PHB), and two commercial montmorillonites (MT), Na-M (MT) and 30B-M (organically modified MT), were prepared by melt-mixing technique at 165 °C. Both clays minerals were characterized by morphology, crystallochemical parameters, and thermal stability. Lower specific surface area (determined by adsorption methods) values were found for 30B-M. The apparent particle size from light scattering measurements, scanning electron microscopy observations, and crystallite size (determined from XRD patterns) of 30B-M indicated a higher degree of particles exfoliation than of Na-M. The nanocomposites PHBNa and PHB30B were characterized by differential scanning calorimetry (DSC), polarized optical microscopy (POM), X-ray diffraction (XRD), transmission electron microscopy (TEM), mechanical properties, and burning behaviour. Intercalation/exfoliation observed by TEM and XRD was more pronounced for PHB30B than PHBNa, indicating the better compatibility of 30B-M with the PHB matrix. An increase in crystallization temperature and a decrease in spherullites size were observed for PHB30B. The intercalation/exfoliation observed by TEM and structure XRD increased the moduli of the nanocomposites. The burning behaviour of PHB30B was influenced by the aggregation of the clay mineral particles.Fil: Botana, Adrian. Instituto Nefroterapeutico Integral (inti); ArgentinaFil: Mollo, Mariana. Instituto Nefroterapeutico Integral (inti); ArgentinaFil: Eisenberg, Patricia. Instituto Nefroterapeutico Integral (inti); ArgentinaFil: Torres Sanchez, Rosa Maria. Instituto Nefroterapeutico Integral (inti); Argentina. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Tecnología de Recursos Minerales y Cerámica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Tecnología de Recursos Minerales y Cerámica; ArgentinaElsevier Science2010-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/154325Botana, Adrian; Mollo, Mariana; Eisenberg, Patricia; Torres Sanchez, Rosa Maria; Effect of modified montmorillonite on biodegradable PHB nanocomposites; Elsevier Science; Applied Clay Science; 47; 3-4; 2-2010; 263-2700169-1317CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.clay.2009.11.001info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S016913170900297X?via%3Dihubinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:37:03Zoai:ri.conicet.gov.ar:11336/154325instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:37:03.999CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Effect of modified montmorillonite on biodegradable PHB nanocomposites
title Effect of modified montmorillonite on biodegradable PHB nanocomposites
spellingShingle Effect of modified montmorillonite on biodegradable PHB nanocomposites
Botana, Adrian
PHB
Nanocomposites reinforcement
Organo-montmorillonite
title_short Effect of modified montmorillonite on biodegradable PHB nanocomposites
title_full Effect of modified montmorillonite on biodegradable PHB nanocomposites
title_fullStr Effect of modified montmorillonite on biodegradable PHB nanocomposites
title_full_unstemmed Effect of modified montmorillonite on biodegradable PHB nanocomposites
title_sort Effect of modified montmorillonite on biodegradable PHB nanocomposites
dc.creator.none.fl_str_mv Botana, Adrian
Mollo, Mariana
Eisenberg, Patricia
Torres Sanchez, Rosa Maria
author Botana, Adrian
author_facet Botana, Adrian
Mollo, Mariana
Eisenberg, Patricia
Torres Sanchez, Rosa Maria
author_role author
author2 Mollo, Mariana
Eisenberg, Patricia
Torres Sanchez, Rosa Maria
author2_role author
author
author
dc.subject.none.fl_str_mv PHB
Nanocomposites reinforcement
Organo-montmorillonite
topic PHB
Nanocomposites reinforcement
Organo-montmorillonite
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.10
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv Polymer nanocomposites, based on a bacterial biodegradable thermoplastic polyester, poly(hydroxybutyrate) (PHB), and two commercial montmorillonites (MT), Na-M (MT) and 30B-M (organically modified MT), were prepared by melt-mixing technique at 165 °C. Both clays minerals were characterized by morphology, crystallochemical parameters, and thermal stability. Lower specific surface area (determined by adsorption methods) values were found for 30B-M. The apparent particle size from light scattering measurements, scanning electron microscopy observations, and crystallite size (determined from XRD patterns) of 30B-M indicated a higher degree of particles exfoliation than of Na-M. The nanocomposites PHBNa and PHB30B were characterized by differential scanning calorimetry (DSC), polarized optical microscopy (POM), X-ray diffraction (XRD), transmission electron microscopy (TEM), mechanical properties, and burning behaviour. Intercalation/exfoliation observed by TEM and XRD was more pronounced for PHB30B than PHBNa, indicating the better compatibility of 30B-M with the PHB matrix. An increase in crystallization temperature and a decrease in spherullites size were observed for PHB30B. The intercalation/exfoliation observed by TEM and structure XRD increased the moduli of the nanocomposites. The burning behaviour of PHB30B was influenced by the aggregation of the clay mineral particles.
Fil: Botana, Adrian. Instituto Nefroterapeutico Integral (inti); Argentina
Fil: Mollo, Mariana. Instituto Nefroterapeutico Integral (inti); Argentina
Fil: Eisenberg, Patricia. Instituto Nefroterapeutico Integral (inti); Argentina
Fil: Torres Sanchez, Rosa Maria. Instituto Nefroterapeutico Integral (inti); Argentina. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Tecnología de Recursos Minerales y Cerámica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Tecnología de Recursos Minerales y Cerámica; Argentina
description Polymer nanocomposites, based on a bacterial biodegradable thermoplastic polyester, poly(hydroxybutyrate) (PHB), and two commercial montmorillonites (MT), Na-M (MT) and 30B-M (organically modified MT), were prepared by melt-mixing technique at 165 °C. Both clays minerals were characterized by morphology, crystallochemical parameters, and thermal stability. Lower specific surface area (determined by adsorption methods) values were found for 30B-M. The apparent particle size from light scattering measurements, scanning electron microscopy observations, and crystallite size (determined from XRD patterns) of 30B-M indicated a higher degree of particles exfoliation than of Na-M. The nanocomposites PHBNa and PHB30B were characterized by differential scanning calorimetry (DSC), polarized optical microscopy (POM), X-ray diffraction (XRD), transmission electron microscopy (TEM), mechanical properties, and burning behaviour. Intercalation/exfoliation observed by TEM and XRD was more pronounced for PHB30B than PHBNa, indicating the better compatibility of 30B-M with the PHB matrix. An increase in crystallization temperature and a decrease in spherullites size were observed for PHB30B. The intercalation/exfoliation observed by TEM and structure XRD increased the moduli of the nanocomposites. The burning behaviour of PHB30B was influenced by the aggregation of the clay mineral particles.
publishDate 2010
dc.date.none.fl_str_mv 2010-02
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/154325
Botana, Adrian; Mollo, Mariana; Eisenberg, Patricia; Torres Sanchez, Rosa Maria; Effect of modified montmorillonite on biodegradable PHB nanocomposites; Elsevier Science; Applied Clay Science; 47; 3-4; 2-2010; 263-270
0169-1317
CONICET Digital
CONICET
url http://hdl.handle.net/11336/154325
identifier_str_mv Botana, Adrian; Mollo, Mariana; Eisenberg, Patricia; Torres Sanchez, Rosa Maria; Effect of modified montmorillonite on biodegradable PHB nanocomposites; Elsevier Science; Applied Clay Science; 47; 3-4; 2-2010; 263-270
0169-1317
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1016/j.clay.2009.11.001
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S016913170900297X?via%3Dihub
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier Science
publisher.none.fl_str_mv Elsevier Science
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.070432

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