Invention Grant
- Patent Title: Fluoropolymer hollow fiber membrane with fluoro-copolymer and fluoro-terpolymer bonded end portion(s)
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Application No.: US13964279Application Date: 2013-08-12
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Publication No.: US09908088B2Publication Date: 2018-03-06
- Inventor: Robert E. Jerman , Cornelius Brown, Jr. , Kenneth Donald Hobbs , Carlos Ruano , Charles Edward Wolanski
- Applicant: Robert E. Jerman , Cornelius Brown, Jr. , Kenneth Donald Hobbs , Carlos Ruano , Charles Edward Wolanski
- Applicant Address: US PA Plymouth Meeting
- Assignee: Markel Corporation
- Current Assignee: Markel Corporation
- Current Assignee Address: US PA Plymouth Meeting
- Agent Leslie A. Cohen
- Main IPC: B01D71/36
- IPC: B01D71/36 ; B01D63/02 ; B29C65/48 ; B29C65/50 ; B29C65/02 ; B29C65/68 ; B01D69/02 ; B29C65/10 ; B29C65/00 ; B29L31/14 ; B29L31/60

Abstract:
A hollow fiber membrane fluid transport device is disclosed wherein the fibers are comprised of Polytetrafluoroethylene (PTFE), and the potting materials are comprised of fluorocopolymer and or fluoroterpolymer based materials. The potting of the device utilizes a compressed chemically resistant fluorocopolymer and or fluoroterpolymer film, allows for ease of manufacture without destruction of the PTFE hollow fibers, with high packing densities, and without the processing complexity of pre-melting, extruding, or chemical crosslinking of any polymeric adhesives. Furthermore, the PTFE hollow fibers can be treated with a fluoropolymeric solvent solution before the chemically resistant film is applied to enhance the adhesion of the PTFE fiber to the film. PTFE hollow fibers, and its respective fluoro-co and terpolymers as potting films impart high packing densities, superb chemical resistance and temperature resistance without membrane contamination, or low fiber pull strength, as is sometimes observed with standard potting materials such as polyurethane and epoxy.
Public/Granted literature
- US20140042077A1 Fluoropolymer Hollow Fiber Membrane with Fluoro-copolymer and Fluoro -terpolymer bonded end portion(s) Public/Granted day:2014-02-13
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