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dc.contributor.author
Spontón, Marisa Elisabet
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Casis, Natalia
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Mazo, Paula
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Raúd, Brenda
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Simonetta, Arturo
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Rios, Luis
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Estenoz, Diana Alejandra
dc.date.available
2016-12-02T17:26:34Z
dc.date.issued
2013-05
dc.identifier.citation
Spontón, Marisa Elisabet; Casis, Natalia; Mazo, Paula; Raúd, Brenda; Simonetta, Arturo; et al.; Biodegradation Study by Pseudomonas sp. of Flexible Polyurethane Foams Derived From Castor Oil; Elsevier; International Biodeterioration And Biodegradation; 85; 5-2013; 85-94
dc.identifier.issn
0964-8305
dc.identifier.uri
http://hdl.handle.net/11336/8676
dc.description.abstract
The synthesis and biodegradation of polyurethane foams obtained from environmentally benign processeswere studied.Flexible polyurethane foams based on castor oil modified with maleic anhydride (MACO) were synthesized.The synthesis involved a single-stage process by mixing castor oil/MACO (weight ratios 75:25and 25:75) and 2-4 toluene diisocyanate (TDI) in stoichiometric amount of OH:NCO. The biodegradabilitystudies with cultures of a Pseudomonas sp. strain (DBFIQ-P36) involved incubation periods of 2 months at37 C. Polymers were characterized before and after biodegradation by Fourier Transform InfraredSpectroscopy (FT-IR), INSTRON mechanical tester, and Scanning Electron Microscopy (SEM). The resultsshowed that the addition of MACO produces a considerable increase in the rate of degradation and animportant change in the chemical and morphological structures. This is due to the presence of estergroups that are vulnerable to chemical hydrolysis and enzymatic attack. The eco-toxicity after thebiodegradation was evaluated. Toxic compounds such as primary amines were identified by Gas ChromatographyeMassSpectrometry (GCeMS) in combination with Nuclear Magnetic Resonance (NMR) asdegradation products.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Poliuretanos
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Biodegradación
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Ingeniería de los Materiales
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Ingeniería de los Materiales
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
Biodegradation Study by Pseudomonas sp. of Flexible Polyurethane Foams Derived From Castor Oil
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-12-02T16:02:12Z
dc.journal.volume
85
dc.journal.pagination
85-94
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Spontón, Marisa Elisabet. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico Para la Industria Química (i); Argentina
dc.description.fil
Fil: Casis, Natalia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico Para la Industria Química (i); Argentina
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Fil: Mazo, Paula. Universidad de Antioquía; Colombia
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Fil: Raúd, Brenda. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico Para la Industria Química (i); Argentina
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Fil: Simonetta, Arturo. Universidad Nacional del Litoral. Facultad de Ingeniería Química; Argentina
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Fil: Rios, Luis. Universidad de Antioquia; Colombia
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Fil: Estenoz, Diana Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico Para la Industria Química (i); Argentina
dc.journal.title
International Biodeterioration And Biodegradation
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.ibiod.2013.05.019
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0964830513002011
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