Coated textile materials
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United States of America Patent
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Mar 16, 1993
Grant Date -
N/A
app pub date -
Dec 3, 1990
filing date -
Jun 4, 1988
priority date (Note) -
Expired
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Abstract
A coated textile material, particularly for use as a durable filter fabric, is made from a textile substrate, such as a woven fabric, having a microporous coating of an elastomeric fluorocarbon polymer. The substrate may be formed from aramid or polyphenylene sulphide or glass fibres. The elastomeric polymer may be a vinylidene fluoride pentafluoropropene tetrafluoroethylene terpolymer. The microporous coating may be applied as a formed aqueous emulsion which is dried and mechanically crushed.
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