Abstract
The efficiency of ozone absorption by nonwoven polypropylene fibrous material prepared by industrial spunbond technology and changes of its chemical composition and structure after ozone treatment were studied. The effects of ozone treatment at low (250 μg/m3) and high (25 g/m3) ozone concentrations were compared. It was found that oxidative destruction in both instances was localized primarily on the fiber surface. The conditions under which the propylene nonwoven spunbond material was resistant to ozone were determined.
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