Process for the preparation of continuous objects of plastics

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

1991-11-20

1993-04-27

Tentoni, Leo B.

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

052059740

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.
Abhiraman, A. S. "Shish Kebab and High-Performance Morphologies", Journal of Applied Polymer Science, vol. 23, No. 8 (1979), pp. 2419-2424.

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