A kind of electroplating tin additive and its preparation method and use method
An additive and electroplating tin technology, applied in the field of electroplating tin additives and its preparation, can solve the problems of high tank changing frequency, low safety, low production efficiency, etc., and achieve extended tank life, excellent electroplating performance, and good anti-oxidation effect. Effect
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Embodiment 1-11
[0030] A preparation method of an electroplating tin additive, comprising the following steps:
[0031] (1) Add water to the container;
[0032] (2) In the case of stirring, add 1-phenyl-2-pentanone in proportion until completely dissolved;
[0033] (3) In the case of stirring, add antioxidants in proportion until completely dissolved;
[0034] (4) While stirring, add 1-(3,4-dihydroxyphenyl)-1-pentanone in proportion until completely dissolved;
[0035] (5) In the case of stirring, add the brightener in proportion until it is completely dissolved;
[0036] (6) In the case of stirring, add naphthol ethoxy sulfonic acid in proportion until completely dissolved;
[0037] (7) under the situation of stirring, add resorcinol in proportion until fully dissolved;
[0038] (8) Add water to the required amount, and stir well after completion.
[0039] The water is deionized water, the antioxidant is one of diisobutyl ketone and methyl isobutyl ketone, and the brightener is benzylid...
Embodiment 9
[0043] The concentration of each component in embodiment 9 is as shown in table 2:
[0044] Table 2: Each component content table (g / L) in the electroplating tin additive of embodiment 9
[0045]
Embodiment 10
[0046] The concentration of each component in embodiment 10 is as shown in table 3:
[0047] Table 3: Each component content table (g / L) in the electroplating tin additive of embodiment 10
[0048]
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