Gel fraction measurements in gamma-irradiated ultra high molecular weight polyethylene
Ultra high molecular weight polyethylene (UHMWPE) was irradiated at room temperature in air using an industrial 60Co γ-source. Samples were exposed to integrated doses of 50, 250, 500, 750, 1000, 1500 and 1750 kGy and the soluble part of each irradiated specimen was extracted by exposure to refluxin...
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| Veröffentlicht in: | Polymer testing 2003-09, Vol.22 (6), p.647-649 |
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| creator | Elzubair, Amal Suarez, João Carlos Miguez Bonelli, Claudia Maria Chagas Mano, Eloisa Biasotto |
| description | Ultra high molecular weight polyethylene (UHMWPE) was irradiated at room temperature in air using an industrial
60Co γ-source. Samples were exposed to integrated doses of 50, 250, 500, 750, 1000, 1500 and 1750 kGy and the soluble part of each irradiated specimen was extracted by exposure to refluxing boiling xylene solvent for 10 h using the Soxhlet method. From such extractions, the swelling ratio and the gel fractions were determined. It was found out that an increase in radiation dose leads to an increase in the gel fraction and a simultaneous decrease in the swelling ratio. These tendencies are attributed to the formation of a crosslinked network. |
| doi_str_mv | 10.1016/S0142-9418(02)00170-8 |
| format | Article |
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| ispartof | Polymer testing, 2003-09, Vol.22 (6), p.647-649 |
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| language | eng |
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| source | Access via ScienceDirect (Elsevier); EZB-FREE-00999 freely available EZB journals |
| subjects | Applied sciences Crosslinking Crosslinking and degradation Exact sciences and technology Gamma irradiation Gel fraction Physicochemistry of polymers Polymers and radiations Swelling ratio Ultra high molecular weight polyethylene, UHMWPE |
| title | Gel fraction measurements in gamma-irradiated ultra high molecular weight polyethylene |
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