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Polyamide-6: The effects on mechanical and physicochemical properties by electron beam irradiation at different temperatures.

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Title: Polyamide-6: The effects on mechanical and physicochemical properties by electron beam irradiation at different temperatures.
Authors: Adem, E.1 esbaide@fisica.unam.mx, Burillo, G.2, del Castillo, L.F.3, Vásquez, M.1, Avalos-Borja, M.4, Marcos-Fernández, A.5
Source: Radiation Physics & Chemistry. Apr2014, Vol. 97, p165-171. 7p.
Subjects: Polyamides, Physical & theoretical chemistry, Electron beams, Irradiation, Glass transition temperature, Crosslinking (Polymerization)
Abstract: Abstract: The electron beam irradiation of polyamide-6 (PA-6) films was carried out in air over a range of 50–1000kGy at varying temperatures and a dose rate of 5.1kGymin−1. The effects of the irradiation at temperatures above and below the glass transition temperature (T g ) on the thermal and mechanical properties were studied. Melting and crystallization temperatures decreased significantly with the increase in irradiation dose, whereas percent of crystallinity varied only slightly and T g slightly increased for irradiated samples respect to non irradiated one with no significant effect of the dose. Mechanical properties were affected by irradiation. The material became more rigid with a direct relationship between the mechanical properties and the irradiation dose. The irradiation above T g led to a larger variation in the thermal and mechanical properties respect to the irradiation below T g . The changes in properties were related to the crosslinking produced in the amorphous part of the polymer by the electron beam irradiation. [Copyright &y& Elsevier]
Copyright of Radiation Physics & Chemistry is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 94154527
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Polyamide-6: The effects on mechanical and physicochemical properties by electron beam irradiation at different temperatures.
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  Data: <searchLink fieldCode="AR" term="%22Adem%2C+E%2E%22">Adem, E.</searchLink><relatesTo>1</relatesTo><i> esbaide@fisica.unam.mx</i><br /><searchLink fieldCode="AR" term="%22Burillo%2C+G%2E%22">Burillo, G.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22del+Castillo%2C+L%2EF%2E%22">del Castillo, L.F.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Vásquez%2C+M%2E%22">Vásquez, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Avalos-Borja%2C+M%2E%22">Avalos-Borja, M.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Marcos-Fernández%2C+A%2E%22">Marcos-Fernández, A.</searchLink><relatesTo>5</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Radiation+Physics+%26+Chemistry%22">Radiation Physics & Chemistry</searchLink>. Apr2014, Vol. 97, p165-171. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Polyamides%22">Polyamides</searchLink><br /><searchLink fieldCode="DE" term="%22Physical+%26+theoretical+chemistry%22">Physical & theoretical chemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Electron+beams%22">Electron beams</searchLink><br /><searchLink fieldCode="DE" term="%22Irradiation%22">Irradiation</searchLink><br /><searchLink fieldCode="DE" term="%22Glass+transition+temperature%22">Glass transition temperature</searchLink><br /><searchLink fieldCode="DE" term="%22Crosslinking+%28Polymerization%29%22">Crosslinking (Polymerization)</searchLink>
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  Data: Abstract: The electron beam irradiation of polyamide-6 (PA-6) films was carried out in air over a range of 50–1000kGy at varying temperatures and a dose rate of 5.1kGymin−1. The effects of the irradiation at temperatures above and below the glass transition temperature (T g ) on the thermal and mechanical properties were studied. Melting and crystallization temperatures decreased significantly with the increase in irradiation dose, whereas percent of crystallinity varied only slightly and T g slightly increased for irradiated samples respect to non irradiated one with no significant effect of the dose. Mechanical properties were affected by irradiation. The material became more rigid with a direct relationship between the mechanical properties and the irradiation dose. The irradiation above T g led to a larger variation in the thermal and mechanical properties respect to the irradiation below T g . The changes in properties were related to the crosslinking produced in the amorphous part of the polymer by the electron beam irradiation. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Radiation Physics & Chemistry is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.radphyschem.2013.11.008
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        Text: English
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        PageCount: 7
        StartPage: 165
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      – SubjectFull: Polyamides
        Type: general
      – SubjectFull: Physical & theoretical chemistry
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      – SubjectFull: Electron beams
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      – SubjectFull: Irradiation
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      – SubjectFull: Glass transition temperature
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      – SubjectFull: Crosslinking (Polymerization)
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      – TitleFull: Polyamide-6: The effects on mechanical and physicochemical properties by electron beam irradiation at different temperatures.
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              Text: Apr2014
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