Method for preparing luminous coating water-repellent synthetic leather base cloth by grafting, softening and filling modification

Abstract

The invention discloses a method for preparing a luminous coating water-repellent synthetic leather base cloth by grafting, softening and filling modification. The method includes putting the pretreated synthetic leather base cloth into an infrared dyeing small prototype, adding a cross-linking agent for hydrolysis ring opening, fully washing with water, adding collagen graft reaction, fully washing with water, and drying in the air to obtain the grafted modified synthetic leather base cloth; filling the grafted modified synthetic leather base cloth with a filler, softening with a softening agent, fixing with formic acid, cross-linking with an aluminum tanning agent, alkali extracting with sodium bicarbonate, fully washing with water, hanging and drying to obtain the soft-filled modified synthetic leather base cloth; dipping the soft-filled modified synthetic leather base cloth into a luminous coating finishing agent, drying, dipping into a sodium hydroxide solution, preforming alkalireduction, fully washing with water, pre-baking and baking to obtain the luminous coating-finished synthetic leather base cloth; dipping the luminous coating-finished synthetic leather base fabric ina fluorine-containing water repellent finishing agent, pre-baking and baking to obtain the luminous coating water-repellent synthetic leather base cloth.

Description

technical field [0001] The invention belongs to the field of synthetic leather, and in particular relates to a method for preparing a luminous coating water-repellent synthetic leather base cloth through grafting-softening-filling modification. Background technique [0002] Synthetic leather is a focus of research in recent years because of its wide source of raw materials and high mechanical strength, but the active group content of synthetic leather base cloth is small, so that water vapor cannot be effectively absorbed and transmitted between the fiber and the outside world. Thereby causing the hygienic performance of superfine fiber synthetic leather is relatively poor. [0003] At present, luminous coated fabrics have been widely used in clothing, luminous toys, luminous embroidery, luminous slippers, etc., but due to the influence of some luminescent materials themselves and external factors, the surface stability of such products is not very ideal. Exposure to the ai...

AI Technical Summary

Problems solved by technology

[0002] Synthetic leather is a focus of research in recent years because of its wide source of raw materials and high mechanical strength, but the active group content of synthetic leather base cloth is small, so that water vapor cannot be effectively absorbed and transmitted between the fiber and the outside world. As a result, the hygienic performance of microfiber synthetic leather is poor

[0003] At present, luminous coated fabrics have been widely used in clothing, luminous toys, luminous embroidery, luminous slippers, etc., but due to the influence of some luminescent materials themselves and external factors, the surface stability of such products is not very ideal. Exposure to the air for a long time, even the moisture in the air can make it hydrolyze to a certain extent, and most of the coating agents used are hydrophilic, which makes the surface of the luminous coating fabric more prone to moisture absorption and moisture, resulting in luminous brightness and afterglow time are greatly reduced, and even lose the characteristics of luminescence-luminescence, which seriously shortens the service life of luminous coating fabrics and limits its application fields