Temperature dependence of polymer diffusion in poly(vinyl acetate-co-dibutyl maleate) latex films
- Autores
- Wu, Jun; Tomba, Juan Pablo; Winnik, Mitchell A.; Farwaha, Rajeev; Rademacher, Jude
- Año de publicación
- 2004
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- We describe polymer diffusion and its temperature dependence in poly(vinyl acetate-co-dibutyl maleate) [P(VAc-DBM)] latex films prepared from 4:1 w/w ratio of VAc:DBM. Two sets of polymers were investigated: one set containing 50% gel (high-M); the other set, with Mw ≈ 250000 (M250K), free of a measurable gel content. Despite their similar chemical compositions, as determined by 1H NMR, these two sets of samples exhibited different glass transition temperatures (Tg). Latex particles were labeled with 9-methacryloxymethylphenanthrene as the donor dye and 2′-acryloxy-4′-methyl-4-(N,N-dimethyl-amino)benzophenone as the acceptor. Polymer diffusion was monitored by nonradiative energy transfer (ET), and apparent diffusion coefficients (Dapp) were calculated from the ET data using a simple diffusion model. These values increased with temperature and were characterized by an apparent activation energy (Ea) of 37 ± 2 kcal/mol for the high-M polymer and 45 ± 2 kcal/mol for the M250K sample. Rheology measurements at different fixed temperatures were carried out to follow the response of the dynamic moduli (G′, G″) with respect to frequency (ω). A master curve based on the Williams-Landel-Ferry (WLF) equation could be constructed as a plot of shift factors vs 1/T, and shift factors for Dapp for both sets of polymers as well as for the G′, G″ values fell on the same curve. Thus, the difference in Ea values for the polymer diffusion can be ascribed to changes in the microscopic friction coefficient and the differences in Tg of the two sets of samples.
Fil: Wu, Jun. University of Toronto; Canadá
Fil: Tomba, Juan Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
Fil: Winnik, Mitchell A.. University of Toronto; Canadá
Fil: Farwaha, Rajeev. Vinamul Polymers; Estados Unidos
Fil: Rademacher, Jude. Ici Paints; Estados Unidos - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/98895
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Temperature dependence of polymer diffusion in poly(vinyl acetate-co-dibutyl maleate) latex filmsWu, JunTomba, Juan PabloWinnik, Mitchell A.Farwaha, RajeevRademacher, Judehttps://purl.org/becyt/ford/4.5https://purl.org/becyt/ford/4https://purl.org/becyt/ford/2.5https://purl.org/becyt/ford/2We describe polymer diffusion and its temperature dependence in poly(vinyl acetate-co-dibutyl maleate) [P(VAc-DBM)] latex films prepared from 4:1 w/w ratio of VAc:DBM. Two sets of polymers were investigated: one set containing 50% gel (high-M); the other set, with Mw ≈ 250000 (M250K), free of a measurable gel content. Despite their similar chemical compositions, as determined by 1H NMR, these two sets of samples exhibited different glass transition temperatures (Tg). Latex particles were labeled with 9-methacryloxymethylphenanthrene as the donor dye and 2′-acryloxy-4′-methyl-4-(N,N-dimethyl-amino)benzophenone as the acceptor. Polymer diffusion was monitored by nonradiative energy transfer (ET), and apparent diffusion coefficients (Dapp) were calculated from the ET data using a simple diffusion model. These values increased with temperature and were characterized by an apparent activation energy (Ea) of 37 ± 2 kcal/mol for the high-M polymer and 45 ± 2 kcal/mol for the M250K sample. Rheology measurements at different fixed temperatures were carried out to follow the response of the dynamic moduli (G′, G″) with respect to frequency (ω). A master curve based on the Williams-Landel-Ferry (WLF) equation could be constructed as a plot of shift factors vs 1/T, and shift factors for Dapp for both sets of polymers as well as for the G′, G″ values fell on the same curve. Thus, the difference in Ea values for the polymer diffusion can be ascribed to changes in the microscopic friction coefficient and the differences in Tg of the two sets of samples.Fil: Wu, Jun. University of Toronto; CanadáFil: Tomba, Juan Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; ArgentinaFil: Winnik, Mitchell A.. University of Toronto; CanadáFil: Farwaha, Rajeev. Vinamul Polymers; Estados UnidosFil: Rademacher, Jude. Ici Paints; Estados UnidosAmerican Chemical Society2004-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/98895Wu, Jun; Tomba, Juan Pablo; Winnik, Mitchell A.; Farwaha, Rajeev; Rademacher, Jude; Temperature dependence of polymer diffusion in poly(vinyl acetate-co-dibutyl maleate) latex films; American Chemical Society; Macromolecules; 37; 6; 3-2004; 2299-23060024-9297CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1021/ma030569vinfo:eu-repo/semantics/altIdentifier/url/https://pubs.acs.org/doi/10.1021/ma030569vinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T14:20:35Zoai:ri.conicet.gov.ar:11336/98895instacron: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:34982025-10-15 14:20:35.417CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Temperature dependence of polymer diffusion in poly(vinyl acetate-co-dibutyl maleate) latex films |
title |
Temperature dependence of polymer diffusion in poly(vinyl acetate-co-dibutyl maleate) latex films |
spellingShingle |
Temperature dependence of polymer diffusion in poly(vinyl acetate-co-dibutyl maleate) latex films Wu, Jun |
title_short |
Temperature dependence of polymer diffusion in poly(vinyl acetate-co-dibutyl maleate) latex films |
title_full |
Temperature dependence of polymer diffusion in poly(vinyl acetate-co-dibutyl maleate) latex films |
title_fullStr |
Temperature dependence of polymer diffusion in poly(vinyl acetate-co-dibutyl maleate) latex films |
title_full_unstemmed |
Temperature dependence of polymer diffusion in poly(vinyl acetate-co-dibutyl maleate) latex films |
title_sort |
Temperature dependence of polymer diffusion in poly(vinyl acetate-co-dibutyl maleate) latex films |
dc.creator.none.fl_str_mv |
Wu, Jun Tomba, Juan Pablo Winnik, Mitchell A. Farwaha, Rajeev Rademacher, Jude |
author |
Wu, Jun |
author_facet |
Wu, Jun Tomba, Juan Pablo Winnik, Mitchell A. Farwaha, Rajeev Rademacher, Jude |
author_role |
author |
author2 |
Tomba, Juan Pablo Winnik, Mitchell A. Farwaha, Rajeev Rademacher, Jude |
author2_role |
author author author author |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/4.5 https://purl.org/becyt/ford/4 https://purl.org/becyt/ford/2.5 https://purl.org/becyt/ford/2 |
dc.description.none.fl_txt_mv |
We describe polymer diffusion and its temperature dependence in poly(vinyl acetate-co-dibutyl maleate) [P(VAc-DBM)] latex films prepared from 4:1 w/w ratio of VAc:DBM. Two sets of polymers were investigated: one set containing 50% gel (high-M); the other set, with Mw ≈ 250000 (M250K), free of a measurable gel content. Despite their similar chemical compositions, as determined by 1H NMR, these two sets of samples exhibited different glass transition temperatures (Tg). Latex particles were labeled with 9-methacryloxymethylphenanthrene as the donor dye and 2′-acryloxy-4′-methyl-4-(N,N-dimethyl-amino)benzophenone as the acceptor. Polymer diffusion was monitored by nonradiative energy transfer (ET), and apparent diffusion coefficients (Dapp) were calculated from the ET data using a simple diffusion model. These values increased with temperature and were characterized by an apparent activation energy (Ea) of 37 ± 2 kcal/mol for the high-M polymer and 45 ± 2 kcal/mol for the M250K sample. Rheology measurements at different fixed temperatures were carried out to follow the response of the dynamic moduli (G′, G″) with respect to frequency (ω). A master curve based on the Williams-Landel-Ferry (WLF) equation could be constructed as a plot of shift factors vs 1/T, and shift factors for Dapp for both sets of polymers as well as for the G′, G″ values fell on the same curve. Thus, the difference in Ea values for the polymer diffusion can be ascribed to changes in the microscopic friction coefficient and the differences in Tg of the two sets of samples. Fil: Wu, Jun. University of Toronto; Canadá Fil: Tomba, Juan Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina Fil: Winnik, Mitchell A.. University of Toronto; Canadá Fil: Farwaha, Rajeev. Vinamul Polymers; Estados Unidos Fil: Rademacher, Jude. Ici Paints; Estados Unidos |
description |
We describe polymer diffusion and its temperature dependence in poly(vinyl acetate-co-dibutyl maleate) [P(VAc-DBM)] latex films prepared from 4:1 w/w ratio of VAc:DBM. Two sets of polymers were investigated: one set containing 50% gel (high-M); the other set, with Mw ≈ 250000 (M250K), free of a measurable gel content. Despite their similar chemical compositions, as determined by 1H NMR, these two sets of samples exhibited different glass transition temperatures (Tg). Latex particles were labeled with 9-methacryloxymethylphenanthrene as the donor dye and 2′-acryloxy-4′-methyl-4-(N,N-dimethyl-amino)benzophenone as the acceptor. Polymer diffusion was monitored by nonradiative energy transfer (ET), and apparent diffusion coefficients (Dapp) were calculated from the ET data using a simple diffusion model. These values increased with temperature and were characterized by an apparent activation energy (Ea) of 37 ± 2 kcal/mol for the high-M polymer and 45 ± 2 kcal/mol for the M250K sample. Rheology measurements at different fixed temperatures were carried out to follow the response of the dynamic moduli (G′, G″) with respect to frequency (ω). A master curve based on the Williams-Landel-Ferry (WLF) equation could be constructed as a plot of shift factors vs 1/T, and shift factors for Dapp for both sets of polymers as well as for the G′, G″ values fell on the same curve. Thus, the difference in Ea values for the polymer diffusion can be ascribed to changes in the microscopic friction coefficient and the differences in Tg of the two sets of samples. |
publishDate |
2004 |
dc.date.none.fl_str_mv |
2004-03 |
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/11336/98895 Wu, Jun; Tomba, Juan Pablo; Winnik, Mitchell A.; Farwaha, Rajeev; Rademacher, Jude; Temperature dependence of polymer diffusion in poly(vinyl acetate-co-dibutyl maleate) latex films; American Chemical Society; Macromolecules; 37; 6; 3-2004; 2299-2306 0024-9297 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/98895 |
identifier_str_mv |
Wu, Jun; Tomba, Juan Pablo; Winnik, Mitchell A.; Farwaha, Rajeev; Rademacher, Jude; Temperature dependence of polymer diffusion in poly(vinyl acetate-co-dibutyl maleate) latex films; American Chemical Society; Macromolecules; 37; 6; 3-2004; 2299-2306 0024-9297 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1021/ma030569v info:eu-repo/semantics/altIdentifier/url/https://pubs.acs.org/doi/10.1021/ma030569v |
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 |
American Chemical Society |
publisher.none.fl_str_mv |
American Chemical Society |
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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1846082582929735680 |
score |
13.22299 |