Abstract
The hydroentangled nonwovens have be widely used today. But the basic research of the hydroentangled nonwoven technology is relatively weak. It is not very clear so far that how the fibers are entangled with each other in the spunlaced nonwoven fabrics. In this paper, the pulling-out behavior of single fiber from hydroentangled nonwoven was first studied and analyzed the stress situation of the entanglement points in order to investigate the entanglement of the fibers in the hydroentangled nonwovens. It is found that the bigger of the pulling-out force, the more fibers are broken and the resultant hydroentangled nonwovens show better tensile property. So the pulling-out force can be used to weight the fiber entanglement effect in the hydroentangled nonwovens. Moreover, in this paper we also discover the fiber performance which can influence the fiber entanglement effect during the hydroentangled process by the cohesive of fibers, and the theory instruction will be provided to develop new fibers in the spunlaced process.
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