Abstract
In this study, the pristine or He/O2/N2-plasma treated ultra-high-molecular-weight polyethylene (UHMWPE) fabric was coated with the polyurethane (PU) adhesive agent and then laminated. It was found that the values of peeling strength of the laminated UHMWPE fabrics for the plasma treated fabrics were significantly higher than that for pristine fabrics. The hydrophilic property (the functional groups of carbonyl, aldehyde and carboxylic acid) and the values of the surface roughness of the UHMWPE fibers increased significantly after the treatment of He/O2/N2-plasma. The mechanism of the oxidation/degradation of the polymers on the surface of the UHMWPE fiber during He/O2/N2-plasma treatment was suggested. It was believed that the higher amount of functional groups and the higher values of surface roughness on the surface of UHMWPE fiber treated with He/O2/N2-plasma could significantly improve the adhesion-strength between PU adhesive agent and UHMWPE fabrics.
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