Surface treatment process for enabling plastics to have antibacterial function
A plastic surface treatment and plastic technology, applied to biocide-containing paints, antifouling/underwater coatings, coatings, etc., can solve problems such as difficult to clean, easy to breed bacteria, and coating peeling off, to achieve enhanced antibacterial Function, high antibacterial property, long antibacterial time effect
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Embodiment 1
[0033] A plastic surface treatment process with antibacterial function, the specific steps are as follows:
[0034] (1) Plastic degreasing: place the plastic in a degreasing solution, and degrease the surface; the degreasing solvent is a mixture of acetone and butanone, and the volume ratio of acetone and butanone is 4:1;
[0035] (2) Coarsening of plastic: Soak the plastic in the roughening pretreatment solution for 1 minute at 19°C, then soak the plastic in the roughening solution for 28 minutes at 62°C, then put the plastic Put into ultrasonic cleaning machine and take out after cleaning 13 minutes; Coarsening pretreatment solution is the mixture of potassium dichromate, sulfuric acid and water, and the mass ratio of described potassium dichromate, sulfuric acid, water is 5:1:7; The solution is a mixture of chromic acid, sulfuric acid and water, and the mass ratio of the chromic acid, sulfuric acid and water is 2:3:30;
[0036] (3) Plastic neutralization: Mix ethylene glyc...
Embodiment 2
[0047] A plastic surface treatment process with antibacterial function, the specific steps are as follows:
[0048](1) Plastic degreasing: place the plastic in a degreasing solution, and degrease the surface; the degreasing solvent is a mixture of acetone and butanone, and the volume ratio of acetone and butanone is 4:1;
[0049] (2) Coarsening of plastic: Soak the plastic in the roughening pretreatment solution for 0.5 minutes at 25°C, then soak the plastic in the roughening solution for 15 minutes at 69°C, then put the plastic Put into ultrasonic cleaning machine and take out after cleaning 18 minutes; Coarsening pretreatment solution is the mixture of potassium dichromate, sulfuric acid and water, and the mass ratio of described potassium dichromate, sulfuric acid, water is 5:1:7; The solution is a mixture of chromic acid, sulfuric acid and water, and the mass ratio of the chromic acid, sulfuric acid and water is 2:3:30;
[0050] (3) Plastic neutralization: Mix ethylene gl...
Embodiment 3
[0061] A plastic surface treatment process with antibacterial function, the specific steps are as follows:
[0062] (1) Plastic degreasing: place the plastic in a degreasing solution, and degrease the surface; the degreasing solvent is a mixture of acetone and butanone, and the volume ratio of acetone and butanone is 4:1;
[0063] (2) Coarsening of plastic: Soak the plastic in the roughening pretreatment solution for 0.5 minutes at 21°C, then soak the plastic in the roughening solution for 15 minutes at 68°C, then put the plastic Put into ultrasonic cleaning machine and take out after cleaning 16 minutes; Coarsening pretreatment solution is the mixture of potassium dichromate, sulfuric acid and water, and the mass ratio of described potassium dichromate, sulfuric acid, water is 5:1:7; The solution is a mixture of chromic acid, sulfuric acid and water, and the mass ratio of the chromic acid, sulfuric acid and water is 2:3:30;
[0064] (3) Plastic neutralization: Mix ethylene g...
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