Friction-improved polymers for DLC-coated surfaces
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United States of America Patent
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Sep 6, 2016
Grant Date -
Jan 2, 2014
app pub date -
May 10, 2012
filing date -
May 17, 2011
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Abstract
The present invention relates to a component part comprising at least two components movable with respect to one another, between the surfaces of which is provided a film formed by a lubricant oil composition, the surface of at least one of the movable components being formed at least partly by a diamond-like-carbon layer (DLC layer) and the lubricant oil composition comprising at least one polymer comprising repeat units derived from amine derivatives of at least one polar ethylenically unsaturated monomer.
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