Treatment Agent for Synthetic Fiber and Its Utilization

Abstract

The purpose of the present invention is to provide a treatment agent for synthetic fibers, which is used for the production of synthetic fibers and is capable of reducing roll fouling, while having excellent heat resistance. The present invention is a treatment agent for synthetic fibers, which contains a smoothing component (A) and an organic sulfonic acid compound (B) represented by general formula (1). The weight ratio of the organic sulfonic acid compound (B) in the nonvolatile content of the treatment agent is 1.25-12% by weight. The weight ratio of sulfate ions (SO4 2-) detected from the nonvolatile content of the treatment agent by ion chromatography is 200 ppm or less, while the weight ratio of chlorine ions (Cl-) is 200 ppm or less. (In formula (1), each of a and b represents an integer of 0 or more; (a + b) is an integer from 5 to 17; and M represents a hydrogen atom, an alkali metal, an ammonium group or an organic amine group.)

Description

technical field [0001] The present invention relates to a treatment agent for synthetic fibers and its utilization. More specifically, it relates to a treatment agent for synthetic fibers used when producing a synthetic fiber resin, a method for producing a synthetic fiber filament yarn using the treatment agent, and a fiber structure including the synthetic fiber filament yarn. Background technique [0002] Conventionally, fibers treated with a fiber oil agent are temporarily crimped and used in a drawing process, but recently this process has been shortened and a method of directly using an oiling yarn in a drawing process has been adopted. [0003] In this method, if a problem such as yarn breakage occurs in the stretching step, a large amount of fiber loss occurs, and therefore, it is necessary to avoid problems in the stretching step as much as possible. The main cause of the problem is fiber damage such as yarn breakage, and in order to prevent such a problem, a treat...

AI Technical Summary

Problems solved by technology

However, when this treatment agent is used in the form of a spindle, there are disadvantages such as insufficient heat resistance and lubricity, accumulation of heat-degraded oil components, etc. Yarn breakage, fiber quality deterioration

However, for improving productivity such as high strength, low shrinkage, and high speed, fluff and yarn breakage caused by roll contamination, which have not been a problem until now, cannot be improved even if this treatment agent is used.

In addition, when the antioxidant described in Patent Document 2 is used, there is a disadvantage that the fiber gradually changes color during storage of the fiber.

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