Metal stamping part surface treating agent and surface treatment process
A technology of metal stamping parts and surface treatment agent, which is applied in the direction of pretreatment surface, device for coating liquid on surface, paint containing biocide, etc. Extend the production cycle and other issues to achieve the effects of improving comprehensive protection performance, improving reactivity, and increasing drying rate
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Embodiment 1
[0020] Metal stamping parts surface treatment agent, including the following parts by mass: 25 parts of silica sol, 4 parts of vinyl acetate, 0.5 parts of alkyl glycoside, 4 parts of epoxy fatty acid methyl ester, 5 parts of alkyl alcohol amide, 4 parts of lithium silicate 2 parts, 2 parts of trifluoroethyl methacrylate, 3 parts of hydroxyl-terminated polydimethylsiloxane, and 15 parts of water.
[0021] The preparation method of metal stamping part surface treatment agent, the steps are as follows:
[0022] 1) Blend alkyl glucoside, epoxy fatty acid methyl ester, hydroxyl-terminated polydimethylsiloxane, and alkyl alcohol amide, and place it in a cold water bath for 2.5 hours with stirring. The temperature of the cold water bath is 1°C, and the stirring speed is For 40r / min, the mixture was obtained;
[0023] 2) Add the mixture into the silica sol, raise the temperature to 60°C, stir for 15 minutes first, then add lithium carbonate, vinyl acetate, trifluoroethyl methacrylate...
Embodiment 2
[0029] Metal stamping parts surface treatment agent, including the following parts by mass: 20 parts of silica sol, 2 parts of vinyl acetate, 1 part of alkyl glycoside, 5 parts of epoxy fatty acid methyl ester, 3 parts of alkyl alcohol amide, 3 parts of lithium silicate 3 parts, 3 parts of trifluoroethyl methacrylate, 5 parts of hydroxyl-terminated polydimethylsiloxane, and 20 parts of water.
[0030] The preparation method of metal stamping part surface treatment agent, the steps are as follows:
[0031] 1) Blend alkyl glucoside, epoxy fatty acid methyl ester, hydroxyl-terminated polydimethylsiloxane, and alkyl alcohol amide, and place it in a cold water bath for 2.5 hours with stirring. The temperature of the cold water bath is 4°C, and the stirring speed is For 40r / min, the mixture was obtained;
[0032] 2) Add the mixture to the silica sol, heat up to 65°C, stir for 10 minutes, then add lithium carbonate, vinyl acetate, trifluoroethyl methacrylate, and dihydrogen phosphat...
Embodiment 3
[0038] Surface treatment agent for metal stamping parts, made of the following parts by mass: 30 parts of silica sol, 5 parts of vinyl acetate, 1.5 parts of alkyl glycoside, 3 parts of epoxy fatty acid methyl ester, 6 parts of alkyl alcohol amide, 2 parts of lithium silicate 1 part, 1 part of trifluoroethyl methacrylate, 5 parts of hydroxyl-terminated polydimethylsiloxane, and 30 parts of water.
[0039] The preparation method of metal stamping part surface treatment agent, the steps are as follows:
[0040] 1) Blend alkyl glucoside, epoxy fatty acid methyl ester, hydroxyl-terminated polydimethylsiloxane, and alkyl alcohol amide, and place them in a cold water bath for 3 hours with stirring. The temperature of the cold water bath is 0°C, and the stirring speed is 40r / min, to get the mixture;
[0041] 2) Add the mixture to the silica sol, heat up to 65°C, stir for 10 minutes, then add lithium carbonate, vinyl acetate, trifluoroethyl methacrylate, dihydrogen phosphate successiv...
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