Mobile phone surface antibacterial coating and spraying process thereof

Abstract

The invention discloses a mobile phone surface antibacterial coating, relates to the technical field of coatings, and aims at solving the problem that the surface of an existing mobile phone does not have antibacterial performance. The antibacterial emulsion disclosed by the invention is prepared from the following raw materials: gamma-aminopropyltriethoxysilane, modified nano silicon dioxide, caprolactam, oxalic acid, tetrabutyl titanate, didecyl dimethyl ammonium bromide, dibasic lead phosphite, polyisoprene, polyamide wax micro powder and an antibacterial emulsion. The invention further discloses a spraying process of the mobile phone surface antibacterial coating. The antibacterial emulsion molecules adsorbed by the modified silicon dioxide in the antibacterial coating can secrete a polypeptide antibiotic, namely nisin, which can cause permeation of cell membranes, nutrient loss and reduction of membrane potential by interfering with normal functions of the cell membranes, so that cells of pathogenic bacteria and putrefying bacteria die, fungi / mould can be removed for a long time, and the effective rate of sterilization is greater than or equal to 99.9%.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an antibacterial coating on the surface of a mobile phone and a spraying process thereof. Background technique [0002] Mobile phones and mobile phone peripherals have the characteristics of wide application range and high frequency of use, and have become an indispensable part of daily life. In recent years, with the deterioration of the living environment and the growing population, various bacteria, germs and other microorganisms have The adverse impact of human living space is also increasing, resulting in the continuous increase in the number and types of bacteria and germs carried on the surface of mobile phones and mobile phones around mobile phones. [0003] With people's high attention and attention to the quality of life, daily hygiene and health, it is very necessary to develop a mobile phone coating process that has antibacterial and bactericidal effects but does not...

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Problems solved by technology

[0004] Chinese patent CN107955432A discloses a kind of antibacterial mobile phone shell primer, raw materials include thermoplastic acrylic resin, vinyl acetate, zinc oxide powder, oxidized paraffin, silicon dioxide, tin protochloride, filler, pigment, polycarbonate resin, dumb Light powder, antibacterial agent, epoxy-modified acrylic resin; the antibacterial agent is silver activated carbon; however, this technique does not measure antibacterial properties

Chinese patent CN109701854A discloses a process for cold-spraying copper coating on the surface of aluminum alloy mobile phone shells. The specific steps of the process include coating grinding, coating screening, surface treatment of mobile phone shells, loading spray powder, and supplying high-pressure gas. , fixed mobile phone case, program setting, cold spraying and index detection; use cold spraying method to spray the surface of aluminum alloy mobile phone case; the coating made by cold spraying method has good compactness, but does not have antibacterial properties

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