Polyolefins of all types are gaining increasing attention recently as new catalyst and polymerization technologies are now allowing the commercial synthesis of polymers that were not possible just a few years ago. These new materials are finding uses in markets as varied as medical, industrial, automotive and consumer, and are raising challenges to other, well-established products. Polyolefins are now being either tested or used in many medical applications such as extruded IV and corrugated respiratory tubing as well as injection molded face masks and connectors. These polyolefins, however, are not without their disadvantages. While polyolefm-based IV bags, for example, can be produced with cost versus performance criteria to rival that of flexible PVC, bonding on conventional radio frequency sealing equipment is extremely difficult.
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