Membranes having improved mechanical properties, for use in...

Details Membranes having improved mechanical properties, for use in... Membranes having improved mechanical properties, for use in...

2007-10-23

2007-10-23

Zacharia, Ramsey (Department: 1773)

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

C428S411100, C429S006000, C429S047000, C252S062200, C525S417000, C525S420000, C525S435000, C525S534000, C525S535000

Reexamination Certificate

active

10399514

ABSTRACT:
An acid-doped, single-layer or multilayer polymer membrane comprising at least one layer A of a polymer blend with contains:a) from 0.1 to 99.9% by weight of one or more polymers comprising recurring azole units of the formula 1A and/or 1B:wherein the radicals Ar, Ar1, and Ar2are tetravalent, divalent or trivalent aromatic or heteroaromatic groups and the radicals X are each and oxygen atom, a sulfur atom or an amino group bearing a hydrogen atom, a 1-20 carbon group, in admixture withb) from 99.9 to 0.1% by weight of a polysulfone containing recurring unit having no sulfonic acid groups.

REFERENCES:
patent: 4260652 (1981-04-01), Taketani et al.
patent: 5525436 (1996-06-01), Savinell et al.
patent: 5599639 (1997-02-01), Sansone et al.
patent: 5688614 (1997-11-01), Li et al.
patent: 5902876 (1999-05-01), Murata et al.
patent: 6723757 (2004-04-01), Kerres et al.
patent: 198 17 374 (1999-10-01), None
patent: 0 816 415 (1998-01-01), None
patent: WO 02/36661 (2002-05-01), None
English translation of DE 198 17 374 A1, Oct. 1999.

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