METHOD OF OBTAINING FILAMENTOUS THREAD FROM AROMATIC POLYAMIDE Russian patent published in 2014 - IPC D01F6/60 D01D4/02 D01F6/74 D01D1/10 D01D4/08 

Abstract RU 2529240 C2

FIELD: chemistry.

SUBSTANCE: invention relates to technology of obtaining filamentous threads from paraaromatic polyamide. Optically anisotropic aramide spinning solution is filtered through filter with passing holes inside spinneret device and extruded inside spinneret device through multitude of spinning plates and air clearance with drawing and collection in water coagulation bath. Spinning solution in spinneret device is supplied through means of hydraulic resistance to spinning passing holes. Means of hydraulic resistance is located closer to spinning passing holes than filter. Means of hydraulic resistance and filter are located at a distance from each other.

EFFECT: application of invention ensures prevention of filament breaking in the process of spinning and increase of fibre strength.

12 cl, 6 dwg, 1 ex

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RU 2 529 240 C2

Authors

Bjuskher Leonardus A.G.

Merman Jakobus Jokhannes

Khogerverf Ronal'D Ehduard

Brukkhof Aleksander L.L.

Dates

2014-09-27Published

2010-02-12Filed