Methods and compositions for communicating fiber properties of a yarn, intensifying yarn color and improving processing of bulked continuous filament fiber
AssigneeInvista North America S.A.R.L.
InventorAlexander L. GULLEDGE
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Abstract
A method of communicating one or more fiber properties in a yarn and articles made thereof by providing a yarn containing at least one fiber formed from a fiber forming polymer and having a fiber property identification additive present in the fiber is provided. Also provided are yarns and articles made thereof with a fiber property identification additive which communicates one or more fiber properties in the yarn or article made thereof. In addition, methods for intensifying color of a yarn are provided as well as methods for improving bulked continuous filament fiber processing through substitution of problematic colorants are also described.
Claims37
A method of communicating one or more fiber properties in a multifilament yarn comprising the steps of:
- a) providing a multifilament yarn comprising at least one fiber formed from a fiber forming polymer and comprising a fiber property identification additive present in the fiber in a range from about 10 to about 4000 ppm, wherein the fiber property identification additive can be analyzed to identify one or more fiber properties;
- and
- b) analyzing the multifilament yarn to identify one or more fiber properties.
A multifilament yarn which communicates one or more of its fiber properties, said multifilament yarn comprising a portion of fiber comprising a fiber forming polymer and a fiber property identification additive.
A method of intensifying color of a multifilament yarn or multifilament yarn bundle, said method comprising adding of an optical brightener to the multifilament yarn.
A method for improving bulked continuous filament fiber processing, said method comprising substitution of a problematic colorant with a fiber property identification additive.
Dependencies are inferred from the claim text.