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Melt-stabilized ultra high molecular weight polyethylene and method of making the same
专利权人:
Zimmer; Inc.
发明人:
Pletcher, Dirk
申请号:
AU2015229947
公开号:
AU2015229947A1
申请日:
2015.02.26
申请国别(地区):
AU
年份:
2016
代理人:
摘要:
Various embodiments disclosed relate to melt-stabilized materials including ultra high molecular weight polyethylene (UHMWPE), methods of making the same, and medical implants including the same. In various embodiments, the present invention provides a method of melt-stabilizing a material including UHMWPE. The method includes obtaining or providing a solid material including UHMWPE including a first concentration of free-radicals. The method includes coating at least part of the solid material with a liquid composition including at least one antioxidant, to provide a coated solid material. The method includes heating the coated solid material in an environment including oxygen, the heating being sufficient to melt at least part of the UHMWPE, to provide a heated material. The method also includes solidifying the heated material, to provide a melt-stabilized material including UHMWPE including a second concentration of free-radicals, wherein the second concentration of free-radicals is less than the first concentration of free-radicals.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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