METHOD FOR MAKING FLUOROPOLYMERS
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United States of America Patent
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Issued Date -
Oct 20, 2022
app pub date -
Jun 28, 2022
filing date -
Sep 8, 2017
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Abstract
The invention pertains to a method of making fluoropolymer dispersions using certain polyfunctional perfluoropolyether derivatives including a plurality of ionisable groups selected from the group consisting of —SO.sub.3X.sub.a, —PO.sub.3X.sub.a and —COOX.sub.a, whereas X.sub.a is H, an ammonium group or a monovalent metal, and whereas said groups are comprised as pendant groups in the perfluoropolyether chain, and to fluoropolymer dispersions therefrom.
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