Name | fixing agent Y |
Synonyms | Fixing agent Y |
Physical and Chemical Properties | White powder, completely dissolved in water, and the solution is a colorless transparent liquid. When the temperature is low, the aqueous solution solidifies. It can be used in the same bath with non ionic and cationic surfactants. |
Use | Mainly used as a printing or dyeing fixing agent for direct, acidic and other dyes. |
This product can be used according to general industrial chemical management. Gloves and protective glasses should be worn to avoid direct contact with the skin and eyes. If it gets on the skin, rinse with water and soap. Place in a cool and dry warehouse to prevent exposure to sunlight and rain.
Firstly, 37% of formaldehyde is added to the reactor while stirring. After adding, ammonium chloride with a feed ratio of 75% is added, and the temperature automatically rises from 30 ℃ to 50 ℃. After the temperature stabilizes, add the remaining ammonium chloride, raise the temperature to 90 ℃, stir at 92-96 ℃ for 2 hours, cool to 70 ℃, and discharge to obtain the finished product.