Method for modifying polyester fabric by using magnetic nano iron trioxide

Abstract

The invention discloses a method for modifying a polyester fabric by using magnetic nano iron trioxide. The method comprises the following steps of: 1, preparing a sodium hydroxide solution, pretreating the polyester fabric by using the sodium hydroxide solution, and washing and drying the pretreated polyester fabric; 2, preparing a mixed solution of ferric nitrate, oxalic acid, sodium dodecyl benzene sulfonate and polyethylene glycol, and putting the pretreated polyester fabric into the mixed solution for hydrothermal reaction; and 3, preparing a coupling agent solution, putting the modified polyester fabric into the coupling agent solution, curing the modified polyester fabric treated by the coupling agent solution to obtain the polyester fabric coated with a magnetic nano iron trioxide film. By the method, the problems that the common polyester fabric formed by the conventional modification method is nonmagnetic and has poor washing performance and relatively poor ventilating performance, and a user does not have good handfeel are solved.

Description

technical field [0001] The invention belongs to the technical field of functional textile materials, and relates to a method for modifying polyester fabric, in particular to a method for modifying polyester fabric with magnetic nanometer iron sesquioxide. Background technique [0002] Magnetic nano ferric oxide has good weather resistance, light resistance, chemical stability and good hardness. It is an important inorganic pigment and fine ceramic raw material, and can be used as photocatalytic material, magnetic material and magnetic recording material. At present, the methods for preparing magnetic nanometer ferric oxide can be divided into dry method and wet method. The wet method mainly includes methods such as hydrothermal, gel-sol, microemulsion, precipitation and colloid chemistry; while the dry method mainly includes methods such as microwave, thermal decomposition, vapor deposition and low-temperature plasma chemical vapor deposition. Among them, the nanometer ferr...

AI Technical Summary

Problems solved by technology

There are two main methods for modifying polyester fabric nanomaterials: one is to prepare functional fibers containing nanoparticles, that is, adding nanoparticles to chemical fiber raw materials during the spinning process, and then spinning them into fibers. The advantages are: The performance is long-lasting, but the disadvantage is that the affinity between nanoparticles and polymer materials is poor, the dispersion of nanoparticles is uneven, and the agglomeration phenomenon is serious. Most of the nanoparticles are embedded in the fiber matrix, and there are few nanoparticles on the surface of the fiber. The characteristics are greatly affected; the second is to use binders and dispersants to prepare nanoparticles into a finishing solution, and to adhere nanoparticles to the surface of the fabric by dipping or dipping, drying and other processes, and also face the problem of nanoparticle agglomeration , and the finished fabric has poor washing fastness, poor hand feeling, and greatly affected wearing performance.

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