PTFE membrane

Details PTFE membrane PTFE membrane

2011-04-12

2011-04-12

Gupta, Yogendra N (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

By calendering

C264S319000, C264S320000

Reexamination Certificate

active

07922946

ABSTRACT:
A method for improving the dimensional stability of PTFE membranes by the application of elevated temperature and elevated pressure to a PTFE membrane. The process reduces and/or eliminates the relaxation stress normally associated with PTFE membranes made using previously existing methods.

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