Apparatus for the surface treatment of synthetic fibers or yarns

Details Apparatus for the surface treatment of synthetic fibers or yarns Apparatus for the surface treatment of synthetic fibers or yarns

1988-09-30

1990-01-16

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

42218605, C07C 1700

Patent

active

048941310

ABSTRACT:
An apparatus for the surface treatment of synthetic fibers or yarns, in particular of fibers and yarns of polyethylene of ultra-high molecular weight, for improvement of the adhesion, a corona is generated by means of two active electrodes (10, 12), between which the fibers or yarns are passed parallel to the longitudinal extent. The electrodes are designed with a surrounding insulating sheath. The current fed to the electrode (16) is phase-shifted by .phi.=180.degree. with respect to the current fed to the electrode (10).

REFERENCES:
patent: 2810933 (1957-10-01), Pierce
patent: 3281347 (1966-10-01), Winder
patent: 4419869 (1983-12-01), Sando
Abstract--JP-A-57101073.

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