Process for the production of bifilar acrylic fibres

Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Layered – stratified traversely of length – or multiphase...

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264206, B29F 310

Patent

active

041246730

ABSTRACT:
The invention relates to a process for the production of bifilar fibres and filaments consisting of only one acrylonitrile polymer. The polymer is dissolved in a usual solvent and the resulting solution is divided up into two solution streams. After these solution streams have been brought to different temperatures they are spun by a conventional bifilar spinning technique.

REFERENCES:
patent: 3266093 (1966-08-01), Corbett
patent: 3701819 (1972-10-01), Yoshida et al.
patent: 3780149 (1973-12-01), Keuchel et al.
patent: 3904730 (1975-09-01), Shimizu et al.

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