Preparation of low residual solvent content polyacrylonitrile fi

Details Preparation of low residual solvent content polyacrylonitrile fi Preparation of low residual solvent content polyacrylonitrile fi

1983-06-17

1985-03-19

Czaja, Donald

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264234, D01F 618

Patent

active

045058709

ABSTRACT:
Polyacrylonitrile filaments having a residual solvent content of less than 5% by weight and a total linear density of over 100,000 dtex can be prepared without contact with an extracting agent for the spinning solvent by a process in which

REFERENCES:
patent: 2417294 (1947-03-01), D'Alelio
patent: 2811409 (1957-10-01), Clapp et al.
patent: 2851435 (1958-09-01), Pirot
patent: 3739054 (1973-06-01), Wieden et al.
patent: 4140844 (1979-02-01), Lohwasser

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