31 results about "Dimercaprol" patented technology

The invention discloses a thiosulfate silvering additive, a preparation method thereof and electroplate liquid containing the same. The thiosulfate silvering additive comprises 12-18 g / L of lauryl sodium sulfate, 3-5 g / L of polyethylene glycol, 10-13 g / L of nitrogen mustard, 5-10 g / L of cumin, 250-350 g / L of 1,10-phenanthroline monohydrate, 50-100 g / L of dimercaprol dimercaptopropanol, 50-100 g / Lof mercaptoethylamine, 100-150 g / L of ethylene glycol tetraacetic acid (EGTA) and the balance water. The additive provided by the invention enables the dispersity, the stability and the electroplatingperformance of the electroplate liquid to be quite remarkably improved, the pH value does not need to be adjusted repeatedly in the electroplating process, meanwhile, the performance including the smoothness, the adhesive force, the glossiness, the anti-tarish performance and the like of a silvering coating are remarkably improved, the thickness of the coating is further reduced, and phenomena such as fracturing do not exist; and the electroplate liquid provided by the invention does not contain cyanide, the mirror surface of the coating is bright, small in brittleness, good in adhesive force, flat in surface, bright, good in anti-tarish performance and high in heat resistance, application to the multiple fields of decorative electroplating, functional electroplating and the like can be achieved, preplating is not needed, and the bonding force can also be guaranteed.

The invention discloses an antibacterial and flame-retardant modified glass glue, which comprises the following raw materials in parts by weight: 46-51 parts of a diamino flame-retardant monomer, 76-84 parts of a diacid chloride-based monomer, and tetramethylammonium fluoride 13-14 parts, 18-20 parts of 2,3-dimercapto-1-propanol, 8-10 parts of triethylamine, 26-29 parts of toluene diisocyanate, 4.8-4.9 parts of silver nitrate solution with a concentration of 10 mg / g , appropriate amount of water. The glass glue prepared by the present invention is solid and easy to carry. When in use, the silver thiol is precipitated to form an ion complex through the deprotonation of triethylamine and then can be dissolved to form a viscous colloid, which can then be used directly. It solves the problem that the existing glass glue is a colloidal body, needs to be sealed and stored, and is easy to condense when it is not used up after opening, thereby affecting its bonding performance.