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Free radical quench process for irradiated ultrahigh molecular weight polyethylene
Free radical quench process for irradiated ultrahigh molecular weight polyethylene
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机译:辐照超高分子量聚乙烯的自由基猝灭工艺
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摘要
The invention provides a process for quenching free radicals present in irradiated ultrahigh molecular weight polyethylene comprising the steps of (a) providing a mass of irradiated ultrahigh molecular weight polyethylene, wherein the mass comprises free radicals, (b) immersing at least a portion of the mass of irradiated ultrahigh molecular weight polyethylene in a non-polar solvent having a temperature for a time and under conditions sufficient to quench a substantial portion of the free radicals contained therein, wherein the temperature of the non-polar solvent is maintained below the melting point of the ultrahigh molecular weight polyethylene, (c) removing the mass of irradiated ultrahigh molecular weight polyethylene from the non-polar solvent, and (d) removing any non-polar solvent from the mass of irradiated ultrahigh molecular weight polyethylene.
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