Preparation method of electroplating liquid of mercapto carboxylic acid metal complex and surface treatment method thereof

Preparation method of electroplating liquid of mercapto carboxylic acid metal complex and surface treatment method thereof

  • CN 105,648,486 A
  • Filed: 11/30/2015
  • Published: 06/08/2016
  • Est. Priority Date: 11/28/2014
  • Status: Active Application
First Claim
Patent Images

1. , for the preparation of a method for mercaptan carboxylic acid'"'"'s metal complex electroplate liquid, described method comprises:

  • I (), by mercaptan carboxylic acid'"'"'s compound dissolution in the first solvent, to form mercaptan carboxylic acid'"'"'s compound solution, the concentration of described mercaptan carboxylic acid'"'"'s solution is 0.5-350g/L;

    (ii) being dissolved in by metallic compound in the 2nd solvent, to form metal compound solution, the concentration of wherein said metallic compound is 0.1-300g/L;

    (iii) mercaptan carboxylic acid'"'"'s compound solution is mixed with metal compound solution, obtain mercaptan carboxylic acid'"'"'s metal complex solution;

    (iv) in described mercaptan carboxylic acid'"'"'s metal complex solution, add the ammonium citrate of 20-40g/L;

    And(v) by the pH regulator of gained solution in step (iv) to 6.5-7.0.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×