Preparing method for antibacterial stainless steel composite workpiece
A technology of antibacterial stainless steel and composite parts, which is applied in the direction of coating, etc., can solve the problems of low composite fastness, affect the use experience, and easy to breed bacteria, etc., and achieve the effect of good integration and strong binding force
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[0020] Example 1
[0021] In this embodiment, a composite material composed of a 12Cr12 steel plate with a length, width and height of 10 cm×8 cm×1 cm and an antibacterial PP plastic is used. The specific preparation method is as follows:
[0022] Step 1. Take the above-mentioned stainless steel plate and first immerse the stainless steel plate in a strengthened corrosive solution, which is a deionized aqueous solution containing 5wt% nitric acid, 5wt% hydrochloric acid, 3wt% hydrofluoric acid and 5wt% ferric chloride, at 60℃ After 15s of corrosion in the enhanced corrosive solution, it is immersed in a circulating 40℃ saturated picric acid deionized water solution for 60s. The saturated picric acid deionized water solution is also added with 2wt% corrosion inhibitor, the corrosion inhibitor is rosin amine polyoxyethylene A mixed additive of ether and thiourea 1:0.8. After taking it out, use spray water to rinse and dry the corrosion surface of stainless steel. The cleaning proce...
Example Embodiment
[0026] Example 2
[0027] In this embodiment, a composite material of 06Cr13 steel plate with length, width and height of 10 cm×8 cm×1 cm and antibacterial PE plastic is used. The specific preparation method is as follows:
[0028] Step 1. Take the above-mentioned stainless steel plate, and first immerse the stainless steel plate in a strengthened corrosive solution, which is a deionized aqueous solution containing 5wt% nitric acid, 5wt% hydrochloric acid, 3wt% hydrofluoric acid and 5wt% ferric chloride at 65°C After 15s of corrosion in the enhanced corrosive solution, it is immersed in a circulating 40℃ saturated picric acid deionized water solution for 60s. The saturated picric acid deionized water solution is also added with 2wt% corrosion inhibitor, the corrosion inhibitor is rosin amine polyoxyethylene A mixed additive of ether and thiourea 1:0.8. After taking it out, use spray water to rinse and dry the corrosion surface of stainless steel. The cleaning process is combined ...
Example Embodiment
[0032] Example 3
[0033] In this embodiment, a composite material composed of 06Cr13 steel plate with length, width and height of 10cm×8cm×1cm and antibacterial PVC plastic is used. The specific preparation method is as follows:
[0034] Step 1. Take the above-mentioned stainless steel plate and first immerse the stainless steel plate in a strengthened corrosive solution, which is a deionized aqueous solution containing 5wt% nitric acid, 5wt% hydrochloric acid, 3wt% hydrofluoric acid and 5wt% ferric chloride, at 60℃ After 15s of corrosion in the enhanced corrosive solution, it is immersed in a circulating 45℃ saturated picric acid deionized aqueous solution for 55s. The saturated picric acid deionized aqueous solution is also added with 5wt% corrosion inhibitor, which is rosin amine polyoxyethylene A mixed additive of ether and thiourea 1:0.8. After taking it out, use spray water to rinse and dry the corrosion surface of stainless steel. The cleaning process is combined with ult...
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