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electroplating additive 2-mercaptobenzothiazole mbt 149-30-4
electroplating additive 2-mercaptobenzothiazole mbt 149-30-4
electroplating additive 2-mercaptobenzothiazole mbt 149-30-4
electroplating additive 2-mercaptobenzothiazole mbt 149-30-4
electroplating additive 2-mercaptobenzothiazole mbt 149-30-4
  • What is 2 mercaptobenzothiazole used for?
  • 2 mercaptobenzothiazole (MBT) is used as an electroplating additive, also known as an acid copper plating brightener. It is mainly used as a brightener for bright copper sulfate in paving. It has a good leveling effect. The general dosage is 0.05-0.10 g/L.
  • What is the relative density of 2-mercaptobenzothiazole?
  • The relative density of 2-mercaptobenzothiazole (MBT) is between 1.41 and 1.48. 2-mercaptobenzothiazole is poorly soluble in water and n-hexane, but is easily soluble in acetone and slightly soluble in benzene. It is an acidic compound. Vulcanization promotes strong bonds and the vulcanization curve is relatively flat. 2-mercaptobenzothiazole is also less polluting.
  • Does mercaptobenzothiazole make rubber stronger?
  • Using 2-mercaptobenzothiazole, rubber vulcanizes with less sulfur and at milder temperatures, both factors give a stronger product. This effect was reported by workers at Pirelli and at Goodyear Tire & Rubber. Lorin B. Sebrell won the 1942 Charles Goodyear Medal for his work on mercaptobenzothiazole.
  • What happens if mercaptobenzothiazole is oxidized?
  • S-alkylation of mercaptobenzothiazole gives thioether, which can be oxidized to the sulfone. This sequence sets the stage for the Modified Julia olefination. Oxidation gives mercaptobenzothiazole disulfide. This disulfide reacts with amines to give sulfenamide derivatives such 2-morpholinodithiobenzothiazole.
  • How does btah and MBT affect copper coatings?
  • In summary, BTAH and MBT have obvious synergistic effects on copper coatings, and the combined action of the two substances forms a complete and dense passivation film, which makes the composite passivation film show better corrosion resistance than the two used alone, and also better than the hexavalent chromium passivation film.
  • What is btah & MBT composite passivation treatment?
  • (3) BTAH and MBT composite passivation treatment greatly inhibits the anodic dissolution process of the copper coating, significantly improves its corrosion resistance, and is far better than the effect of BTAH or MBT alone, or even better than the hexavalent chromium passivation.
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