High speed process for producing polyester filaments

Details High speed process for producing polyester filaments High speed process for producing polyester filaments

1995-09-29

1997-03-04

Davis, Robert

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Anti-stick or adhesion preventing coating

2642103, D06M 13224, D06M 1553

Patent

active

056076347

ABSTRACT:
A high speed process for producing polyester filaments, in which process the formation of fluffs and the occurrence of filament breakage are very slight and a package having a good winding appearance can be stably obtained, by melt spinning polyester filaments at a taking-up speed of 3000 m/minute or more, while applying an aqueous emulsion of an oiling agent to the filaments, the oiling agent includes 50% by weight or more of a monobasic acid ester of a C.sub.10-18 aliphatic monocarboxylic acid with a C.sub.4-18 aliphatic monohydric alcohol and having an average molecular weight of 300 to 500; 1 to 15% by weight of a polyoxyalkylene glycol copolymer having an average molecular weight of 1,000 to 30,000; and 0.1 to 3% by weight of an organic siloxane compound and/or a fluoroalkyl (C.sub.3-18) group-containing compound.

REFERENCES:
patent: 2838455 (1958-06-01), Tompkins
patent: 3452132 (1969-06-01), Pitzl
patent: 3770861 (1973-11-01), Hirano et al.
patent: 4064057 (1977-12-01), Koerner et al.
"Polymer Processing, Fiber-Formation of Synthetic Fibers and Fine chemicals, Development of Oiling Agents for Synthetic Fibers" Apr. 1992, General explanation of Synthetic Fibers.

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