阅读说明：本技术 一种耐磨抗菌皮革的制作方法 (Manufacturing method of wear-resistant antibacterial leather ) 是由 郭邵杰 于 2020-07-02 设计创作，主要内容包括：本发明涉及皮革技术领域,尤其涉及一种耐磨抗菌皮革的制作方法,本发明通过对蓝湿皮经过脱脂、中和、染色、抗菌、涂饰、干燥处理,通过采用有机硅季铵盐抗菌剂、水性聚氨酯树脂,将杀菌性能吸附于细菌的表面,从而达到杀菌,抑菌的作用,另外,通过涂饰剂和固定剂的喷涂,可有效提高皮革表面的耐磨性。(The invention relates to the technical field of leather, in particular to a manufacturing method of wear-resistant antibacterial leather.)

1. The manufacturing method of the wear-resistant antibacterial leather is characterized by comprising the following steps:

step one, degreasing: placing wet blue leather into a roller at the temperature of about 45 ℃ and adding water for rotation, adding 1% of degreasing agent and 0.5% of formic acid, rotating for 60min, and then washing and cleaning with water;

and step two, neutralization: at normal temperature, putting the wet blue into a roller, adding water, then adding ammonium bicarbonate and baking soda, rotating for 60min, and then washing and cleaning with water;

step three, dyeing: placing the wet blue leather into an anhydrous roller at normal temperature, adding 3% of acid dye, and rotating for 60 min;

fourthly, antibiosis: putting the wet blue into a rotary drum, adding normal temperature water, then adding the organosilicon quaternary ammonium salt antibacterial agent and the aqueous polyurethane resin, rotating for 35min, adding 1% formic acid, and rotating for 20 min;

fifthly, coating: adding 2-hydroxyethyl acrylate, 3-methoxy methyl acrylate, azobisisoheptonitrile and deionized water into a reaction vessel for 20min, adding sodium lignosulfonate and triethyl trimesate, mixing and stirring, heating to 90-100 ℃, cooling to 40 ℃, adding deionized water, mixing to obtain a coating agent, and spraying the coating agent on the surface of a wet blue leather;

sixthly, drying: placing the wet blue leather with the surface sprayed with the finishing agent for 2 days; and then spraying the fixing agent on the surface of the wet blue leather, and drying and fixing to obtain the leather.

2. The method for manufacturing the wear-resistant antibacterial leather according to claim 1, wherein the water-liquid ratio in the first step is 100%, and the degreasing agent is sodium dodecyl benzene sulfonate or an osmotic emulsifier.

3. The method for making abrasion-resistant and antibacterial leather according to claim 1, wherein in the second step, 100% of water solution, 3% of ammonium bicarbonate and 3% of baking soda are adopted.

4. The method for manufacturing the wear-resistant antibacterial leather according to claim 1, wherein the organic silicon quaternary ammonium salt antibacterial agent in the fourth step is 5% and the aqueous polyurethane resin is 5%;

the antibacterial agent can also be a gold-rich nano silver antibacterial agent.

5. The method for manufacturing the abrasion-resistant antibacterial leather according to claim 1, wherein the drying temperature in the sixth step is 50-70 ℃.

Technical Field

The invention relates to the technical field of leather, in particular to a manufacturing method of wear-resistant antibacterial leather.

Background

The leather is animal skin which is obtained by physical and chemical processing such as unhairing, tanning and the like and is denatured and non-perishable. The leather is formed by tightly weaving natural protein fibers in a three-dimensional space, and the surface of the leather is provided with a special grain surface layer which has natural grains and luster and comfortable hand feeling. The common method in the prior art is easy to cause the propagation of bacteria and fungi. Some shoes with deodorizing and antibacterial functions in the market are not the antibacterial function of leather, but the antibacterial function of the shoes is achieved only locally by implanting antibacterial materials, and the antibacterial effect is not obvious. If the leather produced by the process has antibacterial property, the deodorization and the antibacterial can be realized in all directions.

Disclosure of Invention

The invention aims to provide a manufacturing method of wear-resistant antibacterial leather, which has the characteristic of effectively improving the surface antibacterial property and wear resistance of the leather.

In order to solve the technical problems, the invention discloses a manufacturing method of wear-resistant antibacterial leather, which comprises the following steps:

step one, degreasing: placing wet blue leather into a roller at the temperature of about 45 ℃ and adding water for rotation, adding 1% of degreasing agent and 0.5% of formic acid, rotating for 60min, and then washing and cleaning with water;

and step two, neutralization: at normal temperature, putting the wet blue into a roller, adding water, then adding ammonium bicarbonate and baking soda, rotating for 60min, and then washing and cleaning with water;

step three, dyeing: and (3) placing the wet blue leather into an anhydrous roller at normal temperature, adding 3% of acid dye, and rotating for 60 min.

Fourthly, antibiosis: putting the wet blue into a rotary drum, adding normal temperature water, then adding the organosilicon quaternary ammonium salt antibacterial agent and the aqueous polyurethane resin, rotating for 35min, adding 1% formic acid, and rotating for 20 min;

fifthly, coating: adding 2-hydroxyethyl acrylate, 3-methoxy methyl acrylate, azobisisoheptonitrile and deionized water into a reaction vessel for 20min, adding sodium lignosulfonate and triethyl trimesate, mixing and stirring, heating to 90-100 ℃, cooling to 40 ℃, adding deionized water, mixing to obtain a coating agent, and spraying the coating agent on the surface of a wet blue leather;

sixthly, drying: placing the wet blue leather with the surface sprayed with the finishing agent for 2 days; and then spraying the fixing agent on the surface of the wet blue leather, and drying and fixing to obtain the leather.

Preferably, the water-liquid ratio in the first step is 100%, and the degreasing agent is sodium dodecyl benzene sulfonate or an osmotic emulsifier.

Further preferably, in the second step, the water solution is 100%, the ammonium bicarbonate is 3% and the baking soda is 3%.

More preferably, the organic silicon quaternary ammonium salt antibacterial agent in the fourth step is 5% and the aqueous polyurethane resin is 5%. The antibacterial agent can also be a gold-rich nano silver antibacterial agent.

Further preferably, the drying temperature in the sixth step is 50 to 70 ℃.

The invention has the beneficial effects that: the wet blue leather is subjected to degreasing, neutralization, dyeing, antibiosis, coating and drying treatment, and the sterilization performance is adsorbed on the surface of bacteria by adopting the organic silicon quaternary ammonium salt antibacterial agent and the waterborne polyurethane resin, so that the effects of sterilization and bacteriostasis are achieved, and in addition, the wear resistance of the surface of the leather can be effectively improved by spraying the coating agent and the fixing agent.

Detailed Description

The present invention will be described in further detail with reference to examples.