| http://www.w3.org/ns/prov#value | - combinations thereof. In these repeating units, p is typically an integer of 1 to 10. In some embodiments, p is an integer of 1 to 8, 1 to 6, 1 to 4, or 1 to 3. The Z group can be a perfluoroalkyl group, perfluoroether group, perfluoropolyether, or a
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