Sulfonated aryl sulfonate matrices and method of production

Details Sulfonated aryl sulfonate matrices and method of production Sulfonated aryl sulfonate matrices and method of production

2011-01-11

2011-01-11

Lipman, Bernard (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ion-exchange polymer or process of preparing

C525S344000

Reexamination Certificate

active

07868050

ABSTRACT:
Porous matrices and membrane matrices comprising sulfonated aryl sulfonate polymers are prepared from a sulfonated aryl sulfonate polymer solution which is made by dissolving an aryl sulfonate polymer, and optionally a polymer other than aryl sulfonate, in a sulfonating acid solvent such as sulfuric acid. The solutions are then cast as wet films from which the matrices are coagulated. By controlling composition and process parameters, hydrophilic matrices of varying morphology are produced.

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