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CROSSLINKED POLYMERS INCLUDING ONE OR MORE ANTIOXIDANTS, METHODS FOR MAKING SAME AND METHODS FOR SELECTING ANTIOXIDANTS
CROSSLINKED POLYMERS INCLUDING ONE OR MORE ANTIOXIDANTS, METHODS FOR MAKING SAME AND METHODS FOR SELECTING ANTIOXIDANTS
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机译:包括一种或多种抗氧化剂的交联聚合物,其制备方法和抗氧化剂的选择方法
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摘要
The present disclosure is directed to polymer compositions having one or more antioxidants providing high crosslink density and improved oxidation resistance to the polymer composition and methods for making same. Such polymer compositions can be advantageously used to make orthopedic implants. The disclosure also provides methods for selecting antioxidants providing desirable properties to the polymer composition. In one embodiment, a measure of OIT can be used to select the antioxidant and antioxidant blend. In another embodiment, measurements of OIT and OI-rate can be used to select the one or more antioxidants. In an other embodiment, the product of OIT and crosslink density can be calculated to predict wear resistance and oxidation resistance of a polymer composition including one or more antioxidants.
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