Surface treatment process for enabling plastics to have antibacterial function

Abstract

The invention relates to a surface treatment process for enabling plastics to have an antibacterial function. The surface treatment process comprises the following steps: (1) degreasing the plastics: putting the plastics into a degreasing solution for carrying out degreasing treatment; (2) roughening the plastics: sequentially dipping the plastics into a roughening pretreatment solution and a roughening solution, and soaking; (3) neutralizing the plastics: mixing gylcol ester, sodium tripolyphosphate and water and evenly stirring, and dipping the plastics into a 30% sodium hydroxide solution for soaking; (4) catalyzing the plastics: adding trichloro-sym-diphenylurea and acetone into a catalytic solution and stirring, then adding silver nitrate and zinc nitrate into the obtained mixed solution, and stirring; putting the plastics into the mixed solution, soaking and standing; (5) treating by using oxidizing flame: calcining the plastics on the oxidizing flame; (6) carrying out vacuum treatment: spraying a catalytic solution, pumped into a spraying device, on the plastics under a vacuum condition; (7) drying the plastics. After the surface treatment process is used, a surface layer with the antibacterial function can be formed on the surface of the plastics, so that the antibacterial property of the plastics is effectively improved.

Description

technical field [0001] The invention relates to the technical field of plastic surface treatment, in particular to a plastic surface treatment process with antibacterial function. Background technique [0002] Plastic is a polymer compound made of monomer as raw material through addition polymerization or polycondensation reaction. Because plastic itself has the advantages of low cost, strong plasticity, light material, good insulation, and low thermal conductivity, it can be directly processed into living materials. , Industrial and other supplies. Plastic products are widely used and are usually placed in different environments. When plastic is placed in a liquid environment, a layer of dirt will form on the surface of the plastic, and after a long period of storage, a layer of bacteria will form, and it is difficult to clean up. In order to prevent the generation of bacteria, existing enterprises usually coat a layer of antibacterial coating on the surface of the plasti...

AI Technical Summary

Problems solved by technology

Plastic products are widely used and are usually placed in different environments. When plastic is placed in a liquid environment, a layer of dirt will form on the surface of the plastic, and after a long period of storage, a layer of bacteria will form, and it is difficult to clean up

In order to prevent the generation of bacteria, existing enterprises usually coat a layer of antibacterial coating on the surface of the plastic during the production of plastics. However, after the plastic is used for a long time, the coating on the plastic surface will fall off to a certain extent. This makes plastic surfaces more prone to the growth of bacteria