Ceramization agent for electrophoretic coating pretreatment, preparation method and usage method for ceramization agent
An electrophoretic coating and pre-treatment technology, applied in the direction of metal material coating process, etc., can solve the problems of limited types and limited scope of use, and achieve the effect of improving bonding, excellent effect and good conductivity
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[0043] Example 1
[0044] A pottery agent for pretreatment of electrophoretic coating, containing the following raw materials in weight percentage:
[0045]
[0046]
[0047] The rest is deionized water.
[0048] 45% fluorozirconic acid provides both fluoride ion and zirconium ion; 45% fluorotitanic acid provides both fluoride ion and titanium ion.
[0049] A preparation method of a pottery agent for pretreatment of electrophoretic coating, including the following steps:
[0050] 1) Add two-thirds of the formula amount of deionized water to the reactor, and then add the formula amount of 45% fluorozirconic acid and 45% fluorotitanic acid in sequence, stir thoroughly until completely dissolved into a clear solution; then add the formula amount Rare earth accelerator cerium nitrate, complexing agent citric acid and oxidant hydrogen peroxide, stir until clear and transparent;
[0051] 2) Add one-tenth of the formula amount of deionized water to another container, heat it to 30-40°C, add th...
Example Embodiment
[0062] Example 2
[0063] A pottery agent for pretreatment of electrophoretic coating, containing the following raw materials in weight percentage:
[0064]
[0065] The rest is deionized water.
[0066] The ammonium fluorozirconate provides both fluoride ion and zirconium ion; sodium fluorotitanate provides both fluoride ion and titanium ion.
[0067] A preparation method of a pottery agent for pretreatment of electrophoretic coating, including the following steps:
[0068] 1) Add two-thirds of the formula amount of deionized water to the reaction kettle, and then add the formula amount of ammonium fluorozirconate and sodium fluorotitanate in sequence, stir thoroughly until completely dissolved into a clear solution; then add the formula amount of rare earth Promoter lanthanum nitrate, complexing agent potassium sodium tartrate and oxidant potassium chlorate, stir until clear and transparent;
[0069] 2) Add one-tenth of the formula amount of deionized water to another container, heat ...
Example Embodiment
[0080] Example 3
[0081] A pottery agent for pretreatment of electrophoretic coating, containing the following raw materials in weight percentage:
[0082] Potassium fluorozirconate 0.5%
[0083] Sodium fluorotitanate 1%
[0084] γ-Aminopropyltriethoxysilane 0.8%
[0085] 0.2% chelate solution of bis(dioctyloxypyrophosphate) ethylene titanate and triethanolamine
[0086]
[0087] The balance is deionized water.
[0088] Potassium fluorozirconate provides both fluoride ion and zirconium ion; sodium fluorotitanate provides both fluoride ion and titanium ion.
[0089] A preparation method of a pottery agent for pretreatment of electrophoretic coating, including the following steps:
[0090] 1) Add two-thirds of the formula amount of deionized water to the reactor, and then add the formula amount of potassium fluorozirconate and sodium fluorotitanate in turn, stir thoroughly until completely dissolved into a clear solution; then add the formula amount of rare earth Promoter cerium chloride, c...
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