Abstract

Changes in the pore structure and sorption of C.I. Reactive Blue 52 in cotton subjected to various kinds of liquid ammonia treatment were studied. The pore volume, pore surface and pore size distribution were determined by sorption measurements on the cotton fibers using macromolecules of varying sizes. From these measurements, the conclusion can be drawn that transition pores in cottons with a diameter of approximately 20–50 Å are responsible for the dye sorption.

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