分散剂 DDA881 - Names and Identifiers
分散剂 DDA881 - Physico-chemical Properties
| PH | 7.5~8.0 |
| Physical and Chemical Properties | This product is light yellow powder. Good thermal stability, 130 ℃ has good dispersion ability. |
| Use | Used as a dispersant for disperse dyes. |
分散剂 DDA881 - Preparation method
Open Data Verified Data
Add 2mol of 2-methyl-3-hydroxybenzenesulfonic acid, n (mol) naphthalenesulfonic acid, and m (mol) methylnaphthalenesulfonic acid to the condensation kettle in sequence, then add an appropriate amount of acid as a catalyst, and add excess formaldehyde under stirring to react at 0.2MPa. After the condensation reaction is completed, neutralize with NaOH aqueous solution. Cooling, crystallization, filtration, drying, to obtain the finished product.
Last Update：2024-01-02 23:10:35
分散剂 DDA881 - safety
Open Data Verified Data
This product can be managed according to general industrial chemicals. When using it, 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.
Last Update：2023-10-16 10:35:40
分散剂 DDA881 - Introduction
Dispersant DDA881 is a highly efficient dispersant for polyethyleneimine. It has the following properties:
1. chemical stability: DDA881 in different acid and alkali environment can maintain good dispersion performance.
2. good heat resistance: DDA881 can maintain stable dispersion effect under high temperature conditions.
3. Excellent dispersibility: DDA881 can uniformly disperse solid particles in liquid and improve the dispersion and stability of particles.
Dispersant DDA881 is mainly used for the following:
1. ceramic industry: used for dispersion, suspension and wetting of ceramic materials.
2. Dye industry: used for the dispersion, suspension and stabilization of dyes and pigments.
3. Electronics industry: used for the dispersion and stability of printed circuit boards and electronic components.
DDA881 preparation method: DDA881 is made by polyethyleneimine and other chemical reagents through a specific reaction.
DDA881 Safety Information:
-Pay attention to protective measures when using, such as wearing appropriate protective gloves and goggles.
-Avoid inhaling, swallowing or touching skin and eyes.
-For accidental contact, immediately flush the contaminated area with clean water and seek medical help.
-should be stored in a dry, well-ventilated place, avoid direct sunlight and high temperature environment.
-Stay away from children and pets as much as possible.
Last Update：2024-04-09 15:17:34