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High load bearing capacity nylon staple fibers with additive, and blended yarns and fabrics thereof

a technology of nylon staple fibers and additives, applied in the direction of monocomponent copolyamides artificial filaments, yarns, filament/thread forming, etc., can solve the problems of reducing the resulting fiber strength, resulting fabric strength being reduced, and fiber strength loss resulting in lower yarn and fabric strength. , to achieve the effect of high load-bearing capacity, low cost and superior durability

Inactive Publication Date: 2020-09-10
INV PERFORMANCE MATERIALS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides a fiber with added benefits such as pigments, UV protectors, and FR resistors that can be used at lower blend ratios or spun into yarns using alternative spinning systems. This fiber can be used to reduce yarn spinning and finished fabric costs while still maintaining fabric properties. The fiber can be blended with other fibers like cotton, flax, hemp, jute, or ramie to create textile yarns for various applications like military or rugged use apparel. The resulting textile yarns have desirable properties and can be woven into fabrics that are lightweight, low-cost, and durable.

Problems solved by technology

Usually, adding any inorganic or organic pigment or additive to the polymer during the melt spinning process reduces the resulting fiber strength.
The fiber strength loss translates into lower yarn and resulting fabric strength.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0097]Various fibers of the present invention were tested as described herein. Results are depicts in the following Table 1.

TABLE 1Pigment Addition T420BK Fiber PropertiesTenacity atTenacity at7%10%FiberTenacityElongationElongationElongationPropertyDPF(g / den)(%)(g / den)(g / den)1000 ppm1.607.2953.441.983.33carbon blackaverage1.25%1.597.0445.331.883.28CarbonBlackAverage

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Abstract

Nylon staple fiber with additive exhibiting a break tenacity greater than 6.5 g / den are provided as well as yarns, fabrics and other articles of manufacture produced from the fiber. Methods for producing the nylon staple fiber with additive are also provided.

Description

[0001]This patent application claims the benefit of priority from U.S. Provisional Application Ser. No. 62 / 575,091 filed Oct. 20, 2017, teachings of which are herein incorporated by reference in their entirety.FIELD OF THE INVENTION[0002]The invention relates to high load bearing nylon staple fibers which contain an additive and methods for their production and their use in blended yams, fabrics and other articles of manufacture.BACKGROUND OF THE INVENTION[0003]Nylon has been manufactured and used commercially for a number of years. The first nylon fibers were of nylon 6,6, poly(hexamethylene adipamide). Nylon 6,6 fiber is still made and used commercially as the main nylon fiber. Large quantities of other nylon fibers, especially nylon 6 fiber prepared from caprolactam, are also made and used commercially. Nylon fiber is used in yarns for textile fabrics, and for other purposes. For textile fabrics, there are essentially two main yarn categories, namely continuous filament yarns and...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): D02G3/04D01F1/04D01F1/10D01F6/60D04H1/549
CPCD10B2331/02D10B2401/04D01F6/60D01F1/04D04H1/549D02G3/04D10B2401/063D01F1/10D01F1/02D01F6/80D01F1/106D01F1/07D01D5/26D01D5/088D01D10/02
Inventor BLOOM, DOUGLASMORTIMER, ALLEN
Owner INV PERFORMANCE MATERIALS LLC