Mechanical performance of double gated injected metallic looking polypropylene parts

Autores
Costantino, María Alejandra; Pettarin, Valeria; Pontes, A. J.; Frontini, Patricia Maria
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The metallic effect obtained by incorporation of metal particles in polymers by injection molding has the advantageof eliminating post-processing techniques reducing production cost and time. Nevertheless, undesired defects in thefinal appearance of parts are common. In this work PP/aluminum pigments were obtained by direct injection molding andthe influence of metallic particles on the aesthetic, morphological and mechanical properties of the parts was assessed. Aestheticaspects could be improved by manipulating processing conditions: high melt temperatures diminished differentialshrinkage and made weld lines less noticeable. Also at high melt temperatures Al particles increased thermal conductivityof PP generating a thicker skin, which combined with an inherent gradient temperature and typical shear stresses developedduring injection molding, induced the formation of !-PP phase. Mechanical performance of parts showed to be dependenton PP morphology. Distinct deformation behaviors were seen according to the presence of PP polymorph, !-PP counteractingthe detrimental effect of not bonded Al flakes, and making PP-Al moldings to have similar toughness as PP moldingswith the added value of metallic looking.
Fil: Costantino, María Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mar del Plata. Instituto de Investigación en Ciencia y Tecnología de Materiales (i); Argentina. Universidad Nacional de Mar del Plata. Facultad de Ingeniería; Argentina
Fil: Pettarin, Valeria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mar del Plata. Instituto de Investigación en Ciencia y Tecnología de Materiales (i); Argentina
Fil: Pontes, A. J.. University of Minho; Portugal
Fil: Frontini, Patricia Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mar del Plata. Instituto de Investigación En Ciencia y Tecnología de Materiales (i); Argentina. Universidad Nacional de Mar del Plata. Facultad de Ingeniería; Argentina
Materia
POLYMER COMPOSITES
PROCESSING TECHNOLOGIES
MECHANICAL PROPERTIES
FRACTURE
MORPHOLOGY-PERFORMANCE RELATIONSHIP
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:11336/5524
Acceder
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repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Mechanical performance of double gated injected metallic looking polypropylene partsCostantino, María AlejandraPettarin, ValeriaPontes, A. J.Frontini, Patricia MariaPOLYMER COMPOSITESPROCESSING TECHNOLOGIESMECHANICAL PROPERTIESFRACTUREMORPHOLOGY-PERFORMANCE RELATIONSHIPhttps://purl.org/becyt/ford/2.5https://purl.org/becyt/ford/2https://purl.org/becyt/ford/1.4https://purl.org/becyt/ford/1The metallic effect obtained by incorporation of metal particles in polymers by injection molding has the advantageof eliminating post-processing techniques reducing production cost and time. Nevertheless, undesired defects in thefinal appearance of parts are common. In this work PP/aluminum pigments were obtained by direct injection molding andthe influence of metallic particles on the aesthetic, morphological and mechanical properties of the parts was assessed. Aestheticaspects could be improved by manipulating processing conditions: high melt temperatures diminished differentialshrinkage and made weld lines less noticeable. Also at high melt temperatures Al particles increased thermal conductivityof PP generating a thicker skin, which combined with an inherent gradient temperature and typical shear stresses developedduring injection molding, induced the formation of !-PP phase. Mechanical performance of parts showed to be dependenton PP morphology. Distinct deformation behaviors were seen according to the presence of PP polymorph, !-PP counteractingthe detrimental effect of not bonded Al flakes, and making PP-Al moldings to have similar toughness as PP moldingswith the added value of metallic looking.Fil: Costantino, María Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mar del Plata. Instituto de Investigación en Ciencia y Tecnología de Materiales (i); Argentina. Universidad Nacional de Mar del Plata. Facultad de Ingeniería; ArgentinaFil: Pettarin, Valeria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mar del Plata. Instituto de Investigación en Ciencia y Tecnología de Materiales (i); ArgentinaFil: Pontes, A. J.. University of Minho; PortugalFil: Frontini, Patricia Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mar del Plata. Instituto de Investigación En Ciencia y Tecnología de Materiales (i); Argentina. Universidad Nacional de Mar del Plata. Facultad de Ingeniería; ArgentinaBudapest University of Technology and Economics2015-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/5524Costantino, María Alejandra; Pettarin, Valeria; Pontes, A. J.; Frontini, Patricia Maria; Mechanical performance of double gated injected metallic looking polypropylene parts; Budapest University of Technology and Economics; Express Polymer Letters; 9; 11; 9-2015; 1040-10511788-618Xenginfo:eu-repo/semantics/altIdentifier/doi/info:eu-repo/semantics/altIdentifier/url/http://www.expresspolymlett.com/info:eu-repo/semantics/altIdentifier/doi/10.3144/expresspolymlett.2015.93info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:24:09Zoai:ri.conicet.gov.ar:11336/5524instacron: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:34982025-10-22 11:24:10.104CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Mechanical performance of double gated injected metallic looking polypropylene parts
title Mechanical performance of double gated injected metallic looking polypropylene parts
spellingShingle Mechanical performance of double gated injected metallic looking polypropylene parts
Costantino, María Alejandra
POLYMER COMPOSITES
PROCESSING TECHNOLOGIES
MECHANICAL PROPERTIES
FRACTURE
MORPHOLOGY-PERFORMANCE RELATIONSHIP
title_short Mechanical performance of double gated injected metallic looking polypropylene parts
title_full Mechanical performance of double gated injected metallic looking polypropylene parts
title_fullStr Mechanical performance of double gated injected metallic looking polypropylene parts
title_full_unstemmed Mechanical performance of double gated injected metallic looking polypropylene parts
title_sort Mechanical performance of double gated injected metallic looking polypropylene parts
dc.creator.none.fl_str_mv Costantino, María Alejandra
Pettarin, Valeria
Pontes, A. J.
Frontini, Patricia Maria
author Costantino, María Alejandra
author_facet Costantino, María Alejandra
Pettarin, Valeria
Pontes, A. J.
Frontini, Patricia Maria
author_role author
author2 Pettarin, Valeria
Pontes, A. J.
Frontini, Patricia Maria
author2_role author
author
author
dc.subject.none.fl_str_mv POLYMER COMPOSITES
PROCESSING TECHNOLOGIES
MECHANICAL PROPERTIES
FRACTURE
MORPHOLOGY-PERFORMANCE RELATIONSHIP
topic POLYMER COMPOSITES
PROCESSING TECHNOLOGIES
MECHANICAL PROPERTIES
FRACTURE
MORPHOLOGY-PERFORMANCE RELATIONSHIP
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.5
https://purl.org/becyt/ford/2
https://purl.org/becyt/ford/1.4
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The metallic effect obtained by incorporation of metal particles in polymers by injection molding has the advantageof eliminating post-processing techniques reducing production cost and time. Nevertheless, undesired defects in thefinal appearance of parts are common. In this work PP/aluminum pigments were obtained by direct injection molding andthe influence of metallic particles on the aesthetic, morphological and mechanical properties of the parts was assessed. Aestheticaspects could be improved by manipulating processing conditions: high melt temperatures diminished differentialshrinkage and made weld lines less noticeable. Also at high melt temperatures Al particles increased thermal conductivityof PP generating a thicker skin, which combined with an inherent gradient temperature and typical shear stresses developedduring injection molding, induced the formation of !-PP phase. Mechanical performance of parts showed to be dependenton PP morphology. Distinct deformation behaviors were seen according to the presence of PP polymorph, !-PP counteractingthe detrimental effect of not bonded Al flakes, and making PP-Al moldings to have similar toughness as PP moldingswith the added value of metallic looking.
Fil: Costantino, María Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mar del Plata. Instituto de Investigación en Ciencia y Tecnología de Materiales (i); Argentina. Universidad Nacional de Mar del Plata. Facultad de Ingeniería; Argentina
Fil: Pettarin, Valeria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mar del Plata. Instituto de Investigación en Ciencia y Tecnología de Materiales (i); Argentina
Fil: Pontes, A. J.. University of Minho; Portugal
Fil: Frontini, Patricia Maria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Mar del Plata. Instituto de Investigación En Ciencia y Tecnología de Materiales (i); Argentina. Universidad Nacional de Mar del Plata. Facultad de Ingeniería; Argentina
description The metallic effect obtained by incorporation of metal particles in polymers by injection molding has the advantageof eliminating post-processing techniques reducing production cost and time. Nevertheless, undesired defects in thefinal appearance of parts are common. In this work PP/aluminum pigments were obtained by direct injection molding andthe influence of metallic particles on the aesthetic, morphological and mechanical properties of the parts was assessed. Aestheticaspects could be improved by manipulating processing conditions: high melt temperatures diminished differentialshrinkage and made weld lines less noticeable. Also at high melt temperatures Al particles increased thermal conductivityof PP generating a thicker skin, which combined with an inherent gradient temperature and typical shear stresses developedduring injection molding, induced the formation of !-PP phase. Mechanical performance of parts showed to be dependenton PP morphology. Distinct deformation behaviors were seen according to the presence of PP polymorph, !-PP counteractingthe detrimental effect of not bonded Al flakes, and making PP-Al moldings to have similar toughness as PP moldingswith the added value of metallic looking.
publishDate 2015
dc.date.none.fl_str_mv 2015-09
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/11336/5524
Costantino, María Alejandra; Pettarin, Valeria; Pontes, A. J.; Frontini, Patricia Maria; Mechanical performance of double gated injected metallic looking polypropylene parts; Budapest University of Technology and Economics; Express Polymer Letters; 9; 11; 9-2015; 1040-1051
1788-618X
url http://hdl.handle.net/11336/5524
identifier_str_mv Costantino, María Alejandra; Pettarin, Valeria; Pontes, A. J.; Frontini, Patricia Maria; Mechanical performance of double gated injected metallic looking polypropylene parts; Budapest University of Technology and Economics; Express Polymer Letters; 9; 11; 9-2015; 1040-1051
1788-618X
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/
info:eu-repo/semantics/altIdentifier/url/http://www.expresspolymlett.com/
info:eu-repo/semantics/altIdentifier/doi/10.3144/expresspolymlett.2015.93
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 Budapest University of Technology and Economics
publisher.none.fl_str_mv Budapest University of Technology and Economics
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
_version_ 1846781777485496320
score 12.982451

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