Microfibers of syndiotactic vinyl aromatic polymers,...

Details Microfibers of syndiotactic vinyl aromatic polymers,... Microfibers of syndiotactic vinyl aromatic polymers,...

D - Textiles, Paper

01

F

18/586, 18/627

D01F 6/22 (2006.01) D01D 5/08 (2006.01) D01D 5/098 (2006.01) D04H 1/40 (2006.01) D04H 1/56 (2006.01)

Patent

CA 2033583

ABSTRACT Fiber, preferably microfibers, of a syndiotactic vinyl aromatic polymer, are produced by a melt-blowing process in which a vinyl aromatic polymer having a high degree of syndiotacticity is supplied in a molten form from at least one orifice of a nozzle into a gas stream which attenuates the molten polymer into fibers. Such fibers are particularly useful for preparation of nonwoven mats having utility in the field of high temperature filtration, coalescing and insulation. 38,513-F

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