Fluorinated Elastic Tube
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United States of America Patent
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Issued Date -
Feb 9, 2012
app pub date -
Mar 1, 2010
filing date -
Mar 6, 2009
priority date (Note) -
Abandoned
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Abstract
A fluorinated elastic tube includes: an elastic hollow body made of a fluorinated polymer; and an amorphous perfluororesin membrane having a thickness of not greater than 1 μm and being in direct close contact with the inner surface of the hollow body. The amorphous perfluororesin membrane may have a repeating unit of, for example, formula (1), (2a), or (2b). The fluorinated elastic tube can have further improved durability while ensuring solvent resistance.are each independently a fluorine atom or a perfluoroalkyl group; p+q+r is an integer of from 1 to 6; p is an integer of from 0 to 5; q is an integer of from 0 to 4; and r is 0 or 1.
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