Methods of making porous devices from monodisperse populations of polyarylketone or polyarylthioetherketone particles
AssigneeAgilent Technologies, Inc.
InventorsJohn William Davies, Thomas Jacob Cobb, Ares Geovanos, Thor Miller Wilbanks, Qing Bai
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Abstract
The invention provides methods for making porous devices from substantially monodisperse populations of substantially spherical particles of polyarylketone polymers or of thio-analogues of such polymers, of selected sizes. The porous devices allow greater control of porosity than previously available porous devices. In some embodiments, the porous devices are frits, filters, membranes or monoliths.
Claims4
A porous device for use in chromatography comprising a monodisperse population of sintered to each other spherical particles of polyarylketone polymer, or a thioether-containing analog thereof, said particles having a diameter between 1 μm and about 10 μm, and said monodisperse population is free of fines, the porous device characterized by:
- a radial fracture strength greater than about 40 N to 120 N and,
- a bubble-point pressure of between about 13″ Hg to about 30″ Hg.
Dependencies are inferred from the claim text.