Infrared welding of cross-linkable polyamide 66
Radiation cross-linking of polyamide 66 with electron beams alters the material’s characteristics. This leads to a varied relationship amongst the process, structure, and properties for infrared welding cross-linked polyamide 66. A threedimensional network of covalent bonds results in an impeded mel...
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| Auteurs principaux: | , |
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| Format: | Article |
| Langue: | anglais |
| Publié: |
Budapest University of Technology and Economics
2016-10-01
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| Collection: | eXPRESS Polymer Letters |
| Sujets: | |
| Accès en ligne: | http://www.expresspolymlett.com/letolt.php?file=EPL-0007136&mi=cd |
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| Résumé: | Radiation cross-linking of polyamide 66 with electron beams alters the material’s characteristics. This leads to a varied relationship amongst the process, structure, and properties for infrared welding cross-linked polyamide 66. A threedimensional network of covalent bonds results in an impeded melt flow and altered welding characteristics. Compared to non-cross linked polyamide, a changed energy input in the weld during infrared heating and a reduced meltdown can be observed. Such thermal developments and a reduced meltdown affect the resulting weld strengths. Welding factors of almost 60% of base material strengths can be achieved. A clear influence of the heating time on the weld strength can be observed. The scope of this article is to investigate the influence of radiation cross-linking on the material characteristics and, by extension, the resulting processing and welding characteristics. Mechanical and optical investigations serve to highlight the influence of radiation cross-linking on the infrared welding process of polyamide 66. |
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| ISSN: | 1788-618X |