Process for the manufacture of hydrophilic polyolefin fibers con

Details Process for the manufacture of hydrophilic polyolefin fibers con Process for the manufacture of hydrophilic polyolefin fibers con

1975-05-16

1977-03-22

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4245, C08J 320

Patent

active

040136175

ABSTRACT:
Hydrophilic polyolefin fibers containing inorganic pigments are obtained by means of flash evaporation of a superheated suspension, which is under at least autogenous pressure. The suspension comprises a dispersion of a hydrophobized inorganic pigment in an emulsion prepared from a solution of a polyolefin in an easily boiling solvent and an aqueous solution of a hydrophilizing agent. The suspension is passed through a nozzle into a low pressure zone to form pigmented fibers.

REFERENCES:
patent: 3061576 (1962-10-01), Roth et al.
patent: 3755244 (1973-08-01), Hart
patent: 3865779 (1975-02-01), Oya et al.

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