Coating of porous, hydrophobic substrates with thermoplastic fluoropolymers
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United States of America Patent
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Nov 21, 2000
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N/A
app pub date -
Feb 22, 1994
filing date -
Feb 24, 1993
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Expired
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Abstract
If hydrophobic substrates are coated--if appropriate under pressure--with an aqueous dispersion of a thermoplastic fluoropolymer having a number-average particle size of up to 100 nm and the fluoropolymer is fixed on the substrate thus impregnated by heat treatment, firmly adhering coatings are obtained.
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