Method and apparatus for producing polyamide filaments of...

Details Method and apparatus for producing polyamide filaments of... Method and apparatus for producing polyamide filaments of...

D - Textiles, Paper

01

F

D01F 6/60 (2006.01) D01D 5/092 (2006.01) D01D 5/16 (2006.01)

Patent

CA 2487074

The present invention relates to methods for making polyamide filaments, such as nylon 6,6, having high tensile strength. The invention also relates to yarns and other articles formed from such filaments. The invention is particularly useful for providing a filament yarn with tenacity equal or superior to the prior art at high spinning process speeds while retaining the ability to draw the yarn. The invention further relates to providing a filament yarn extruded from a delustered or pigmented polyamide polymer.

L'invention concerne des procédés permettant de produire des filaments de polyamide, tels que des filaments de Nylon 6,6, à résistance à la tension élevée. L'invention concerne également des fils et d'autres articles formés à partir de ces filaments. L'invention est particulièrement utile pour produire un fil de filament présentant une ténacité égale ou supérieure à celle de l'état de la technique à des vitesses de traitement de filage élevées, tout en conservant la capacité d'étirage du fil. L'invention concerne enfin un fil de filament extrudé à partir d'un polymère de délustré ou pigmenté.

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