POLYDADMAC is the basic organic coagulant for drinking water treatment and waste water treatment.
DADMAC (Diallyl dimethyl Ammonium Chloride) is synthesized from allyl chloride and dimethylamine.
In common with other monomers containing allyl groups, DADMAC forms a relatively
stable allyl radical during vinyl polymerization. It limits, the molecular weight of the polymer.
Polydadmac coagulant specification:
| Item |
Low Viscosity |
Middle Viscosity |
High Viscosity |
| Appearance |
Colorless to light yellow viscous liquid |
Colorless to light yellow viscous liquid |
Colorless to light yellow viscous liquid |
| Solid(%) |
40±1 |
40±1 |
40±1 |
| PH(1%) |
3-7 |
3-7 |
3-7 |
| Viscosity (cps) |
1000-3000 |
8000-12000 |
≥12,000 |
Industrial polymers produced this way present the following characteristics:
l Molecular weight from 10,000 to 3,000,000
l Liquid form, active content from 20 to 50 %
l Cationic site on the secondary chain
l Viscosity, at 40 %, from 1,000 to 22,000 centipoises
l Chlorine stability
l Compatibility with mineral coagulants
l Long shelf life
l Usable with or without preliminary dilution
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