Process for the production of PBT carpet yarn

Details Process for the production of PBT carpet yarn Process for the production of PBT carpet yarn

1988-11-14

1989-10-31

Lorin, Hubert

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Production of continuous or running length

264103, 264130, 2642102, 2642106, 2642107, 2642108, 26421115, 26421117, 57350, 57908, D01D 516, D01F 662

Patent

active

048775720

ABSTRACT:
A process for the production of high-quality carpet yarn from PBT having an intrinsic viscosity of 0.9 to 1.2 comprising an integrated spinning-draw texturing process, employing a transport speed to the texturing unit of at least 1,800 m/min.

REFERENCES:
patent: 3861133 (1975-01-01), Frankfort et al.
patent: 3908248 (1975-09-01), Schmid et al.
patent: 3975488 (1976-08-01), Patterson
patent: 4096226 (1978-06-01), Martin et al.
patent: 4159617 (1979-07-01), Allan
patent: 4755336 (1988-07-01), Deeg et al.

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