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Novel Multi-Layer Melt Blown Microfiber Webs

Published online by Cambridge University Press:  14 March 2011

Eugene G. Joseph
Eugene G. Joseph*
Affiliation:
3M Company, St. Paul, Minnesota, USA
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Melt blowing is a melt extrusion process that allows us to start with a material in resin form and obtain a final web product in one step. The fine fibers that are characteristic of this process are in the 0.1 to 15 micron range in diameter. This process was first described in the literature by Wente of the Naval Research Laboratory in 1956 [1] and the purpose of the work was to investigate the feasibility of making ultrafine fibers for evaluation as a filtermedia. Since then melt blowing has been one of the fastest growing technologies in the non-wovens area as evidenced by the numerous articles in the literature and the number of issued patents. For example, an article by McCulloch and Graham [2] illustrated the diverse use of melt blown webs which are also referred to as Blown Micro Fiber(BMF) webs.

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References

REFERENCES

(1) “Superfine thermoplastic fibers” by Wente, Van A., Industrial and Engineering Chemistry, Vol. 8, No.8, 1342–1346,(1956).Google Scholar
(2) “Developments in Melt Blowing Technology” by McCulloch, John G. and Graham, Robert L., The New Nonwovens World, 73-82,(Summer-1993).Google Scholar
(3) “Nonwovens Patent News” by Smith, D.K, (1992).Google Scholar
(4) “Spunbonding and Melt Blowing: An Overview” by Scott Sullivan, Nonwovens Industry, 38–41, (1993).Google Scholar
(5) US Patent 3,849,241 by Robert Buntin, James Keller and John Harding, 1974.Google Scholar
(6) “Experimental measurements of fiber threadline vibrations in the melt blowing process” by Chhabra, R. and Shambaugh, R.L., Ind. Eng. Chem. Res. 35(11), 4366–4374, (1996).Google Scholar
(7) “The use of crossflow air to improve nonwoven melt blown fibers” by Milligan, M.W., Liu, F., Buntin, R.R. and Wadsworth, L.C., J. Appl. Polym. Sci., 44(2), 279–288, (1992).Google Scholar
(8) “Process-Structure-Property Relationships in Melt Blowing of Different Melt Flow Rate Polypropylene Resins” by Malkan, S.R., Wadsworth, L.C. and Cheng, C.Y., TAPPI Nonwovens Adv. Tutorial (Toronto), 101–129, (1988).Google Scholar
(9) “Structure-Property Behavior of Multi-layer Melt Blown Webs” by Joseph, Eugene G., Nonwovens World, Summer (1998)Google Scholar
(10) “The Effect of Viscosity Ratio on Polymer Zone Shape in Bicomponent Melt Blown Fibers” by Berrigan, Mike R., 9th Annual Nonwovens Conference, (1999).Google Scholar
(11) “Bicomponent Melt Blown Fibers” by Brown, Houston, INDA-TEC, (1999)Google Scholar