Production of fibres

Details Production of fibres Production of fibres

1980-05-09

1982-04-06

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

Utilizing centrifugal force or rotating forming zone

264 12, 264164, 264236, B22D 2308

Patent

active

043235247

ABSTRACT:
Fibres are produced by centrifugally spinning a formaldehyde resin, e.g. a UF resin, plus catalyst and contacting the spun fibres with a stream of hot dry air to dry the fibres. Cold, humid air is fed to the spinning cup to inhibit premature drying of the resin. The rotation of the cup causes the cold humid air to be thrown out of the cup with the fibres entrained therein. This entrainment serves to retard drying of the fibres while they attenuate.

REFERENCES:
patent: 2336743 (1943-12-01), Manning
patent: 2433000 (1947-12-01), Manning
patent: 3920362 (1975-11-01), Bradt
patent: 4178336 (1979-12-01), Snowden

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