Microfibers of syndiotactic vinyl aromatic polymers, nonwoven ma

Details Microfibers of syndiotactic vinyl aromatic polymers, nonwoven ma Microfibers of syndiotactic vinyl aromatic polymers, nonwoven ma

1990-01-04

1991-06-04

Bell, James J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

428221, 428288, 428364, 428903, D03D 300

Patent

active

050212885

ABSTRACT:
A melt-blowing process for producing a fiber preferably a microfiber of a syndiotactic vinyl aromatic polymer, which comprises supplying a vinyl aromatic polymer having a high degree of syndiotacticity in a molten form from at least one orifice of a nozzle into a gas stream which attenuates the molten polymer into microfibers. Such microfibers are particularly useful in the field of high temperature filtration, coalescing and insulation.

REFERENCES:
patent: 2411660 (1946-11-01), Manning
patent: 3704198 (1972-11-01), Prentice
patent: 3849241 (1974-11-01), Butin et al.
patent: 4041203 (1977-08-01), Brock et al.
patent: 4196245 (1980-04-01), Kitson et al.
patent: 4302495 (1981-11-01), Marra
A Macroscopic View of the Melt-Blowing Process for Producing Microfibers, Shambaugh, R. L., 1988 American Chemical Society, pp. 2363-2372.

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