Polymer-based material comprising silica particles
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United States of America Patent
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Issued Date -
Jul 10, 2003
app pub date -
Dec 9, 2002
filing date -
Dec 7, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention describes a process for the preparation of a polymer-based material consisting of a polyolefin matrix and silica particles as filling material, in which the silica particles are incorporated during the polymerization process. In addition, the uses of a polymer-based material for the production of joint implants in the medicotechnical area and also the use for the production of sliding bearings, gearwheels and other applications in the industrial sector are described. The invention furthermore describes an artificial joint of a prosthesis in which the joint partners consist of metallic, polymeric and/or ceramic materials, with at least one of the joint partners consisting of a polymeric material made from polyolefins with addition of from 1 to 50% by weight of SiO.sub.2.
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