PLAIN BEARING MATERIAL AND A PLAIN BEARING COMPOSITE MATERIAL, COMPRISING ZINC SULPHIDE AND BARIUM SULPHATE
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United States of America Patent
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Issued Date -
Nov 3, 2016
app pub date -
Dec 22, 2014
filing date -
Dec 27, 2013
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Abstract
A plain bearing material is provided which comprises between 50 and 85% vol. % of a fluoropolymer as a base material, the remainder being fillers comprising zinc sulfide and barium sulfate and optionally up to 40 vol. %, based on the total filler content, of additional fillers, wherein the volume ratio of zinc sulfide to barium sulfate is between 0.1 and 15.7, preferably between 0.8 and 4.88 and particularly preferably between 1.5 and 3.44. The plain bearing material can be embedded in a mechanically stabilized framework of a composite material. In particular, in a layered composite material having a metal backing, on which said composite material is arranged.
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