Polyphosphazene semipermeable membranes

Patent · Thu Jul 07 00:00:00 EDT 1988

OSTI ID:6762917

Allen, C A; McCaffrey, R R; Cummings, D G; Grey, A E; Jessup, J S; McAtee, R E

A semipermeable, inorganic membrane is disclosed; the membrane is prepared from a phosphazene polymer and, by the selective substitution of the constituent groups bound to the phosphorous in the polymer structure, the selective passage of fluid from a feedstream can be controlled. Resistance to high temperatures and harsh chemical environments is observed in the use of the phosphazene polymers as semipermeable membranes.

• Research Organization: EG and G Idaho, Inc., Idaho Falls, ID (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC07-76ID01570
• Assignee: Dept. of Energy
• Patent Number(s): 4749489
• Application Number: 06/868,478
• OSTI ID: 6762917
• Resource Relation: Other Information: Portions of this document are illegible in microfiche products
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
MEMBRANES
PERMEABILITY
BOUNDARY LAYERS
CHEMICAL BONDS
DIFFUSION
DIP COATING
FILMS
NITROGEN COMPOUNDS
OSMOSIS
PHOSPHORUS COMPOUNDS
POLYMERS
SPIN-ON COATING
DEPOSITION
LAYERS
SURFACE COATING
400105* - Separation Procedures
400201 - Chemical & Physicochemical Properties