Coating process of elastomeric material
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United States of America Patent
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Nov 13, 1984
Grant Date -
N/A
app pub date -
Dec 16, 1980
filing date -
Dec 16, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A treatment of a shaped flexible elastomer item so as to form a coating of a hydrophilic polymer on the surface of the elastomer. The treatment encompasses cleaning of the elastomer surface, immersion of the elastomer in a concentrated solution of a strong acid such as sulphuric acid, washing, and subsequent dipping of the treated elastomer in a solution of an uncured hydrophilic polymer. The treated elastomer is then held at an elevated temperature for a period of time to cure the polymer coating and to bond the polymer coating to the elastomer.
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