Shoe sole bonding pretreatment method

Abstract

The invention discloses a shoe sole bonding pretreatment method. The method comprises the steps of irradiating a bonding surface of a shoe sole by using short wave ultraviolet light with the wavelength of 185nm to generate a high-molecular compound with the polarity on the bonding surface of the shoe sole, and removing organic pollutants on the bonding surface of the shoe sole by utilizing ozone generated by irradiating air by utilizing the short wave ultraviolet light. According to the method, the short wave ultraviolet light with the wavelength of 185nm can perform bond breaking on the high-molecular compound on the bonding surface of the shoe sole, so that the high-molecular compound with the polarity is generated on the bonding surface of the shoe sole, the same technical effect as physical polishing or chemical corrosion is achieved, the bonding surface of the shoe sole can be effectively connected with glue, and the bonding strength of the shoe sole is enhanced; and in addition, the short wave ultraviolet light with the wavelength of 185nm can convert oxygen in the air into ozone with strong oxidation property, so that small molecular organic compound pollutants on the bonding surface of the shoe sole can be effectively oxidized to achieve a cleaning effect, the shoe sole and the glue can be fully connected, and the bonding quality of the shoe sole can be effectively ensured.

Description

technical field [0001] The invention relates to a pre-treatment method for shoe sole bonding. Background technique [0002] At present, the materials used for soles in the shoemaking industry include rubber, EVA, artificial leather, leather and other materials. The surface is an inert material. In order to achieve a certain joint strength, chemical corrosion and chemical grafting are usually used for surface treatment. [0003] For shoes with rubber material as the sole, the bonding method in the prior art is: clean the rubber sole with alkaline liquid in sequence, neutralize and clean it with acidic liquid, rinse with clear water, then dry the rubber sole, and paint manually The rubber treatment agent is chemically etched, then dried, and finally glued. The main component of the rubber treatment agent is a synthetic resin added with an organic solvent. [0004] For shoes with EVA material as the sole, the bonding method in the prior art is: clean the EVA sole with alkali...

AI Technical Summary

Problems solved by technology

[0006] First, discharge a large amount of VOC and industrial wastewater;

[0007] Second, the process is complicated, and workers are required to coat reagents on the surface of the soles, resulting in high labor costs;

[0008] Third, it consumes a lot of energy and takes up a lot of factory space, resulting in high production costs;

[0009] Fourth, VOC emissions are high and highly toxic, which seriously affects the health of on-site workers

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