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Characteristics of diverse polymers used as pile ribbon, backing yarns, and shock-absorbing pads in artificial turf systems are examined. Particular attention is directed toward end-use performance in the major commercial systems of polypropylene or nylon 66 pile ribbon combined with polypropylene or polyethylene terephthalate backing yarns and with shock-absorbing pads of cross-linked polyethylene or poly vinyl chloride/rubber interpolymer. As with most applications of plastics, inclusion of various additives is necessary for key performance. Data on the effect of carrier resins, used to conveniently introduce additives into nylon 66, on the frictional characteristics of the final pile ribbon are presented. The role of turf ribbon friction as it may relate to wear resistance of the pile, monitored in the laboratory by the ASTM Schiefer and Taber abrader tests, and to shoe traction is examined.
playing fields, nylon 66, polypropylene, frictional coefficient, fabric wear testing, polymer properties, polymer additives, artificial turf, artificial surfaces
University of Tennessee at Chattanooga, Chattanooga, TN
EG & G Mound Applied Technology, Miamisburg, OH