Abstract
The hydrophilicity of artificial and synthetic fibers and polyethylenepolyamine (PEPA) impregnated fibrous materials based on them was investigated under static conditions using a vacuum sorption installation. Water vapor sorption isotherms were analyzed and monolayer capacitance values and a water molecules adsorption in the first layer heats were determined in the framework of polymolecular adsorption Brunauer – Emmett – Teller. It has been found that the hydrophilicity of the fibers studied to change in the following sequence: viscose > VION AN-3 > VION KN-1 > nylon-polyester > nitrone > polyester > polypropylene; PEPA modified hydrophilic fibrous material does not depend essentially on the chemical nature of the carrier.
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