Process for improving electrostatic charging of flexifilaments

Details Process for improving electrostatic charging of flexifilaments Process for improving electrostatic charging of flexifilaments

D - Textiles, Paper

01

D

D01D 5/11 (2006.01)

Patent

CA 2159185

The efficiency of electrostatic charging of polyolefin web in a process for flash-spinning polyolefin plexifilament from solution in a C4-C7 hydrocarbon, forming the plexifilament into a web, electrostatically charging the web, and laying the web down as a sheet is improved by having present in the electrostatic charging step environment a charge-improving compound, which can be any one of a number of specifically identified classes of charge-improving compounds. The charge improving compounds are present in an amount of at least 0.1 ppm of the atmosphere in that environment or more.

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