Melt blowing process for producing microfibers of syndiotactic v

Details Melt blowing process for producing microfibers of syndiotactic v Melt blowing process for producing microfibers of syndiotactic v

1991-04-19

1992-09-08

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Bulk deposition of particles by differential fluid pressure

156167, 264 12, B29C 4700

Patent

active

051456311

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: 3947537 (1976-03-01), Buntin et al.
patent: 3978185 (1976-08-01), Buntin
patent: 4731215 (1988-03-01), Schwarz
patent: 4823427 (1989-04-01), Gibbs et al.
patent: 4863779 (1989-09-01), Daponte
patent: 4908163 (1990-03-01), McAmish et al.

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