1. Basic Properties

Chemical Name: Poly-dimethyl diallyl ammonium chloride (Polydadmac)

CAS No.: 26062-79-3‌

Molecular Formula: （C8H16NCl)n

Appearance:

Colorless to pale yellow, transparent, viscous liquid (liquid product)

White powder or granules (solid product)

Ionicity: Strong cationic polymer

Solubility: Soluble in water, insoluble in organic solvents

pH: 4.0-7.0 (1% aqueous solution)

Molecular Weight: Typically 50,000-500,000 Da (customizable)

2. Product Specifications

Item           Liquid Product       Solid Product  

Active Content       20%-50%          ≥90%

Viscosity (25°C):     100-5000 mPa·s        -

Density (25°C):      1.05-1.15 g/cm³        -

Residual Monomers     ≤0.5%           ≤0.5%

3. Key Features and Advantages

Highly Efficient Flocculation Performance:

Strong cationic properties provide excellent neutralization of negatively charged colloidal particles.

Formed flocs are large and dense, with rapid settling rates.

Wide Applicability:

Applicable over a wide pH range (2-12).

Small temperature sensitivity, maintaining excellent performance even at low temperatures.

Environmentally Friendly and Safe:

Non-toxic, odorless, and biodegradable.

No risk of secondary pollution.

Excellent Compatibility:

It can be used in combination with inorganic flocculants (such as PAC and PFS).

It has excellent synergy with anionic PAM.

4. Main Application Areas

Water Treatment:

Municipal Wastewater Treatment (Enhanced Sludge Dewatering)

Industrial Wastewater Treatment (Papermaking, Printing and Dyeing, Food Processing, etc.)

Drinking Water Treatment (as a Coagulant Aid)

Papermaking Industry:

Papermaking Wet-End Additives

Retention and Drainage Aids

Wastewater Treatment

Petroleum Extraction:

Drilling Fluid Additives

Oilfield Wastewater Treatment

Other Applications:

Cosmetics (Conditioning Agents)

Textile Printing and Dyeing (Fixing Agents)

Coal Washing Wastewater Treatment