A method for dyeing high-performance fiber in seconds with liquid film

Abstract

The invention discloses a method for quickly dyeing high-performance fibers with a liquid film. Firstly, the high-performance fibers are soaked in a dyeing solution composed of N,N-dimethylacetamide, LiCl and colored nanoparticles, and then the pre- The treated high-performance fibers are treated in a high-temperature oil bath. Through the small molecular structure of N,N-dimethylacetamide and the strong electronegativity of the amide carbonyl group, the surface roughness and pores of the high-performance fibers can be effectively improved. The rate increases, which is conducive to the adsorption of more colored particles. At the same time, the high-temperature and high-pressure steam in the oil bath dyeing process generates a certain internal and external pressure difference in the pores on the surface of the high-performance fiber, and cooperates with N,N-dimethylacetamide The interaction with LiCl makes the colored nanoparticles further absorbed into the inner layer of high-performance fibers to achieve rapid dyeing of high-performance fibers. The invention effectively improves the printing and dyeing efficiency and color fixation rate of the high-performance fiber, and is beneficial to expand the application of the high-performance fiber.

Description

A method of liquid film second dyeing high-performance fiber technical field [0001] The present invention relates to the technical field of textile printing and dyeing, in particular to a method for dyeing high-performance fibers in seconds with a liquid film. Background technique [0002] With the development of social economy, the application of high-performance fibers has become more and more extensive, due to its structure and performance The particularity of the fiber makes it have excellent properties that conventional fibers do not have, so it is widely used in aerospace, protection, military However, the poor dyeability of high-performance fibers has seriously affected its application development. Therefore, for high The improvement of dyeing properties of energy fibers is of great significance. Common high-performance fibers mainly include meta-aramid fibers, para-aramid fibers, polyimide fibers and polyarylate fiber, etc. So far, many scholars at home and...

AI Technical Summary

Problems solved by technology

The downside is that high temperature conditions can destroy the dye structure, thus making it difficult to dye bright colors on high performance fabrics

Its shortcoming is that the paint relies on the adhesive to adhere the pigment particles to the surface of the fiber in the fabric, the interface fastness is weak, and the color paste film is easy to fall off

Images