What is Poly(dimethyldiallylammonium chloride)?

Poly(dimethyldiallylammonium chloride) is a strong cationic polyelectrolyte, which is safe, non-toxic, easily soluble in water, nonflammable, strong cohesive force, good hydrolysis stability, and does not form gel. Poly(dimethyldiallylammonium chloride) is insensitive to pH changes, and has chlorine resistance.

Poly(dimethyldiallylammonium chloride) can destabilize and coagulate suspended particles and water-soluble substances containing negatively charged genes in water through electroneutralization and adsorption bridging. It has significant effects in decolorization, sterilization, and removal of organic matter.

What are the main uses of polydimethyldiallyl ammonium chloride?

Poly(dimethyldiallylammonium chloride) can be used for various applications, including water treatment, wastewater treatment, petroleum and natural gas production, papermaking, textile manufacturing, drilling fluids, oilfield chemicals, paper sizing agents, textile finishing agents, water-based coatings, etc. The following is a specific introduction to some of the main applications:

  • Water treatment: used to remove suspended particles from water, wastewater, and other liquids. This helps to improve the transparency and quality of water, as well as to remove harmful bacteria and viruses.
  • Wastewater treatment: used to remove suspended particles from wastewater, which helps improve the efficiency of wastewater treatment plants.
  • Paper making: used to improve the strength and water resistance of paper.
  • Drilling fluid: used to improve the performance of drilling fluid and help improve the efficiency of oil and gas drilling operations.
  • Textile finishing: used to improve the performance of textiles, such as strength, water resistance, and dyeing.

How to use Poly(dimethyldiallylammonium chloride)?

Poly(dimethyldiallylammonium chloride) is usually used in solution form. Then add the solution to the water or wastewater to be treated, causing the suspended particles to aggregate and form larger particles that can be easily removed through filtration or precipitation.

Precautions for use: When treating different sources of water and sewage, the dosage should be determined based on the turbidity and concentration of the treated water, and the appropriate dosage can be obtained through experiments; Careful selection of placement location and stirring speed is necessary to ensure even mixing of solution and materials, while also avoiding the breakage of flocs; Continuous addition is preferred.

What are the storage and processing requirements for Poly(dimethyldiallylammonium chloride)?

Poly(dimethyldiallylammonium chloride) should be stored in a cool and dry place; Keep away from heat sources, humidity, and sunlight; Sealed packaging, sealed storage, avoiding contact with strong oxidants; It should also be stored out of reach of children and pets.

What are the substitutes for Poly(dimethyldiallylammonium chloride) in water treatment applications?

There are various alternatives to Poly(dimethyldiallylammonium chloride) in water treatment applications, mainly including:

  • Polyacrylamide (PAM)
  • Sodium polyacrylate (NaPAA)
  • Polyethylene imine (PEI)
  • alum
  • Ferric chloride

The specific choice depends on the specific application.

What are the technical specifications for Poly(dimethyldiallylammonium chloride)?

The technical specifications of Poly(dimethyldiallylammonium chloride) will vary depending on the brand and supplier.

Some common specifications include:

  • Solid content,%: 19.0-63.0
  • PH value: 5-7
  • Solubility: soluble in water
  • Freezing point approximately: -2.8 ℃
  • Specific gravity: approximately 1.04g/cm3
  • Decomposition temperature: 280-300 ℃.

Please be sure to refer to the technical specifications of the specific Poly(dimethyldiallylammonium chloride) you are using.

Is Poly(dimethyldiallylammonium chloride) a hazardous material?

Poly(dimethyldiallylammonium chloride) is a non hazardous material and should be stored at 5-40 degrees Celsius. Do not expose to direct sunlight; It can be transported as non hazardous goods.

What is the research and development trend of Poly(dimethyldiallylammonium chloride)?

(1) With the increasing demand for water treatment and wastewater treatment, the demand for Poly(dimethyldiallylammonium chloride) as a water treatment flocculant may also continue to grow.

(2) Developing a new grade of Poly(dimethyldiallylammonium chloride) with improved performance may become one of the new growth drivers for the business development of Poly(dimethyldiallylammonium chloride) manufacturers.

(3) Finding new application scenarios for Poly(dimethyldiallylammonium chloride) is one of the important tasks for research institutions and related enterprises in the future, which can create new market demand for Poly(dimethyldiallylammonium chloride).


Poly(dimethyldiallylammonium chloride) is a multifunctional cationic polymer, mainly used for neutralization, adsorption, flocculation, purification, decolorization, etc. Widely used in fields such as water treatment, sewage treatment, textile dyeing and finishing auxiliaries, papermaking industry, oilfield chemicals, etc. It has a variety of different specifications of products according to actual application needs. To better match your application or provide customized solutions based on your actual application, it is recommended to choose experienced technology and product providers.

Learn more: Poly(dimethyldiallylammonium chloride)