When spunbond polypropylene nonwoven fabrics are pre-treated with atmospheric plasma it increases the breathability of the fabric.This was determined by a study carried out by the supplier of custom built corona and atmospheric plasma treating systems,Enercon Industries Corp.,Menomonee Falls,WI/USA,and Texas Tech University,Lubbock,TX/USA. Atmospheric plasma treatment increases the number of pores and enlarges the pore size of the fabric improving the diffusion of vapor between the filaments in the spunbond structure without compromising the barrier properties.These properties are significant for the medical industry.
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