Synthetic fibers having uneven surfaces and a method of producin

Details Synthetic fibers having uneven surfaces and a method of producin Synthetic fibers having uneven surfaces and a method of producin

1986-12-15

1988-12-20

Gibson, Sharon A.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428 15, 428 16, 428372, 428397, 26417713, 26417717, 26417719, 26421113, 26421114, D02G 300

Patent

active

047924896

ABSTRACT:
A synthetic fiber having an uneven surface structure consisting of wrinkles having ridges and recesses of the surface of the fiber and not presenting specular luster, which may be used, for example, as artificial hair for wigs, can be produced easily and stably by melt-spinning a starting synthetic resin such as nylon and passing the spun mono-filament through a cooling bath at a temperature not lower than 30.degree. C. for a period of time sufficient for developing wrinkles in its surface. Inclusion of a pigment such as carbon black in an appropriate amount in the starting material is effective in providing dense distribution of wrinkles.

REFERENCES:
patent: 3728072 (1973-04-01), Orito et al.
patent: 3790434 (1974-02-01), Sone et al.
patent: 3823035 (1974-07-01), Sanders
patent: 4254182 (1981-03-01), Yamaguchi et al.
patent: 4451534 (1984-05-01), Akagi et al.
patent: 4522873 (1985-06-01), Akagi et al.
Hearle, J. W. S., et al., "Fibre Structure", pp. 346-361, 1963.

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