Process for the preparation of continuous objects of plastic

Details Process for the preparation of continuous objects of plastic Process for the preparation of continuous objects of plastic

1989-06-02

1992-01-14

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642108, 26421112, 2642884, 2642905, D01D 512, D01F 604

Patent

active

050808494

ABSTRACT:
A process for the manufacture of filaments, tapes and films that possess a shish kebab morphology. This is effected in that for instance UHMW PE after extrusion is stretched at a temperature between the melting temperature (Tm) and a critical temperature (Tc) and subsequently cooled in stressed condition. The stretching rate is between 0.1 and 10 sec..sup.-1.

REFERENCES:
patent: 4948545 (1990-08-01), Bashir et al.
A. S. Abhiraman, "Shish-Kebab and High Performance Morphologies"; Journal of Applied Polymer Science, vol. 23, No. 8, 4/79, John Wiley & Sons, Inc., pp. 2419-2424.

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