LBT process of making high-tenacity polyethylene fiber

Details LBT process of making high-tenacity polyethylene fiber LBT process of making high-tenacity polyethylene fiber

1995-06-07

1996-08-20

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264205, 2642107, 2642108, D01D 504, D01D 506, D01F 604

Patent

active

055476260

ABSTRACT:
There is disclosed a high-tenacity polyethylene fiber containing an ethylene component as a main repeating unit, the fiber exhibiting an intrinsic viscosity [.eta..sub.B ] of at least 7 and having a tenacity of at least 30 g/d and an elastic modulus of at least 900 g/d; the peak value of loss tangent in the .gamma.-dispersion being 0.025 to 0.06 and the peak temperature of loss modulus in the .alpha.-dispersion being 85.degree. C. or higher, as determined by measurement of temperature dispersion of viscoelastic properties of the fiber. Also disclosed is a process of producing such a high-tenacity polyethylene fiber.

REFERENCES:
patent: 4415726 (1983-11-01), Tanji et al.
patent: 4426516 (1984-01-01), Kuriki et al.
patent: 4551296 (1985-11-01), Kavesh et al.
patent: 5179171 (1993-01-01), Minami et al.

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