Silver plating anti-color changing protecting agent composition
A technology of protective agent and composition, which is applied in the field of silver-plated anti-tarnish protective agent composition, can solve problems such as easy vulcanization and discoloration, loss of original luster, influence on conductivity, solderability and appearance, etc., to maintain metallic luster, Improve the anti-vulcanization performance and wear resistance, and prevent the effect of vulcanization and discoloration
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Embodiment 1
[0011] A silver-plated anti-tarnishing protective agent composition is made of the following raw materials (weight percentage): fatty alcohol polyoxyethylene ether 13%, 1-phenyl-5 mercaptotetrazole 8%, 2-mercaptobenzoxazole 4 %, tertiary dodecanethiol 3%, 2-mercaptobenzimidazole 3%, absolute ethanol 8%, ethylene glycol 8%, the balance of deionized water.
[0012] The preparation method is: deionized water, absolute ethanol, ethylene glycol, fatty alcohol polyoxyethylene ether, 1-phenyl-5 mercaptotetrazole, 2-mercaptobenzoxazole, t-dodecyl sulfide Mix alcohol and 2-mercaptobenzimidazole, heat to 45-50°C, stir evenly and then cool.
Embodiment 2
[0014] A silver-plated anti-tarnishing protective agent composition is made of the following raw materials (weight percentage): fatty alcohol polyoxyethylene ether 15%, 1-phenyl-5 mercaptotetrazolium 10%, 2-mercaptobenzoxazole 5 %, t-dodecanethiol 5%, 2-mercaptobenzimidazole 5%, absolute ethanol 10%, ethylene glycol 10%, the balance of deionized water.
[0015] The preparation method is the same as in Example 1.
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