Preparing method of durable flame-retardant knitted cotton

Abstract

The invention relates to a preparing method of durable flame-retardant knitted cotton. The method includes the following steps of firstly, preparing yarn components including 10-50 wt% of high-strength vinylon fibers, 30-50 wt% of cotton fibers and 10-30 wt% of flame-retardant PTFE fibers; secondly, conducting spinning, wherein all the components are mixed to be uniform and consistent, long stapled cotton is adopted as the cotton fiber, and a siro spinning process is adopted as the spinning mode; thirdly, conducting weaving, wherein an air jet loom or a rapier loom is adopted; fourthly, conducting singeing, desizing, scouring, bleaching, mercerizing, dyeing, flame retarding, ammonia fumigating, oxidizing, washing, preshrinking, inspecting and packaging sequentially. According to the process, the characteristics of three high-performance fibers are sufficiently used, complementary advantages are achieved, and the high-strength wear-resistant and flame-retardant fabric is successfully developed and is soft in hand feel, high in breathability and comfortable to wear.

Description

technical field [0001] The invention belongs to the technical field of preparation technology of flame-retardant fabrics, and in particular relates to a preparation method of durable flame-retardant knitted cotton. Background technique [0002] With the economic development of our country, there are frequent reports of fires in various places, people's awareness of prevention has gradually increased, and relevant national laws, regulations and standards have been promulgated one after another. The requirements and demand for fire-resistant and flame-retardant fabrics are also increasing year by year, especially in oil, electric power, coal mines, oil refining, chemical and other flammable and explosive places, people have an urgent demand for flame-retardant clothing to avoid fire and escape. Due to the high price of high flame-retardant fibers, most of the flame-retardant clothing on the market currently uses cotton finishing, and its processing methods are mainly padding a...

AI Technical Summary

Problems solved by technology

Due to the high price of high flame-retardant fibers, most of the flame-retardant clothing on the market currently uses cotton finishing, and its processing methods are mainly padding and baking methods, dipping and drying methods, coating methods, and organic solvent methods. Generally, it is halogen-based, phosphorus-based, etc., most of which are highly toxic. The finished fabrics have high formaldehyde content, hard hand feeling, strong damage, uncomfortable wearing, and are not washable, which seriously restricts the improvement of the quality of flame-retardant clothing. and use

[0003] Chinese patent application "flame retardant and antistatic yarn and its processing method" (patent application number: 200810156713.1, publication number CN 101377027A) discloses a kind of flame retardant and antistatic yarn and its processing method, the flame retardant and antistatic yarn The raw materials are 70-95% of meta-aramid fiber, 3-28% of para-aramid fiber, and 1.5-4% of antistatic fiber; the fiber distribution in the flame-retardant and anti-static yarn is relatively reasonable, and the flame-retardant effect of the fabric is good. But the price of this yarn is relatively high, it is not suitable for the current national conditions of our country, and cannot be widely used