Water-swellable composite sheet of microfibers of PTFE and hydro

Details Water-swellable composite sheet of microfibers of PTFE and hydro Water-swellable composite sheet of microfibers of PTFE and hydro

1982-11-23

1984-07-17

McCamish, Marion

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428422, 428903, 128156, 604367, 604372, B32B 516, A61F 1318, A47C 2106

Patent

active

044606427

ABSTRACT:
A composite sheet material is highly absorbent toward aqueous fluids including blood and exudate and comprises a polytetrafluoroethylene fibril matrix and hydrophilic absorptive particles enmeshed in the matrix. The composite sheet material is useful as a wound dressing, as a drying material for non-aqueous solvents, and as a chromatographic material.

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patent: 4235237 (1980-11-01), Musek et al.
patent: 4385093 (1983-05-01), Hubis

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