Functional coating for reducing friction
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United States of America Patent
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Jul 4, 2000
Issued Date -
N/A
app pub date -
Mar 6, 1998
filing date -
Nov 26, 1993
priority date (Note) -
Expired
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Abstract
A urethane-resin based coating for reducing friction includes a urethane paint and a first powder. The coating is to be applied to a shaped article which is to be subjected to a heat treatment at a certain temperature after the application of the coating to the shaped article. The first powder has a melting point lower than the certain temperature and a solubility parameter which is smaller than or larger than that of the urethane paint by at least 0.5. The coating optionally further includes a second powder which has a melting point higher than the certain temperature. The coating provides the shaped article with low friction, irrespective of the coating film's thickness.
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