Thermal Bonding of Polypropylene Staple Fiber, 1991 Nonwovens Conference Proceedings

The behavior of polypropylene fibers subjected to thermal bonding conditions is explored. The results suggest that rather large differences in bonding characteristics between spin-oriented and spun-and-drawn fibers are anticipated. The differences in behavior are discussed on the basis of the structural differences between the fibers. In general, the spun and drawn fibers will have greater thermal stability, leading to the requirement for higher temperatures and longer times in patterned roll calandar bonding. A preheat may be beneficial in bonding fibers with high orientation.

Author: Warner, S.B., Patel, S.
Thermal Bonding of Polypropylene Staple Fiber, 1991 Nonwoven
Thermal Bonding of Polypropylene Staple Fiber, 1991 Nonwovens Conference Proceedings
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