Processes for forming thin, durable coatings of cation-containing polymers on selected substrates
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United States of America Patent
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Feb 17, 1998
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N/A
app pub date -
Sep 20, 1995
filing date -
Mar 14, 1995
priority date (Note) -
Expired
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Abstract
Non-evaporative processes for coating ion-containing polymers onto selected substrates and the articles made thereby, which processes fundamentally comprise contacting a substrate with a dispersion or solution of an ion-containing polymer and especially a solventless dispersion of a perfluorosulfonic acid ionomer, and thereafter contacting the dispersion-or solution-wetted substrate with a solution of a salt or of a strongly ionizing acid of a sufficient concentration to cause an adherent coating of the ion-containing polymer to be formed on the substrate.
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